67 results on '"Teixeira, Gustavo"'
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2. Aspectos atuais da avaliação do dispositivo intrauterino (DIU) pelos métodos de imagem e suas principais intercorrências / Current aspects in the evaluation of the intrauterine device (IUD) by the image methods and its main intercurrences
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Teixeira, Arildo Correa, Teixeira, Bernardo Correa de Almeida, and Teixeira, Gustavo Correa de Almeida
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Dispositivo Intrauterino ,Ultrassonografia ,Intercorrências ,Dispositivo Intrauterino, Ultrassonografia, Intercorrências ,General Medicine - Abstract
Os dispositivos intrauterinos (DIUs) são artefatos de polietileno, com ou sem adição de substâncias metálicas ou hormonais, que exercem efeito anticonceptivo quando colocados dentro da cavidade uterina. Representam um dos métodos contraceptivos mais utilizados em todo o mundo, sendo um achado frequente na rotina dos exames de diagnóstico por imagem da pelve feminina. Conforme a sua localização, podem ocorrer dúvidas de como relatar seu posicionamento e como diagnosticar suas principais complicações, repercutindo diretamente na conduta clínica. Os métodos de diagnóstico por imagem, especialmente a ultrassonografia transvaginal, tem um papel importante em sua avaliação. Este artigo se propõe a demonstrar como identificar, adequadamente, o posicionamento dos DIUs além de discutir as principais intercorrências que podem ser diagnosticadas pelos métodos de imagem, orientando didaticamente o radiologista na investigação destas complicações. Todos os casos apresentados são decorrentes de longa experiência em diagnóstico por imagem da pelve feminina e do arquivo próprio dos autores.
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- 2022
3. Aegla abrupta, sp. nov
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Marçal, Ingrid Costa, Páez, Fernanda Polli, Silva, Priscila Frazato Da, Souza-Shibatta, Lenice, and Teixeira, Gustavo Monteiro
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Arthropoda ,Decapoda ,Animalia ,Aeglidae ,Aegla abrupta ,Biodiversity ,Malacostraca ,Aegla ,Taxonomy - Abstract
Aegla abrupta sp. nov. Mar��al and Teixeira (Figures 7���10) urn:lsid:zoobank.org:act: 8DC448C9-6106-447A-90E0-9B143E120783 Holotype Male [CLE 16.2 mm], Brazil, Paran��, Ortigueira, Paranapanema River basin, Tibagi River sub-basin, Formiga River, 24��11 �� 11.77���S, 50��56 �� 28.60���W, altitude 725 m, G.M. Teixeira, I.C. Mar��al and R.S. Vieira coll., 10 March 2020 (MZUEL 515). Paratypes 5 males [CLE 12.8���24.4 mm] and 8 females [CLE 12.5���18.2 mm], same data as holotype (MZUEL 499). Additional material examined 4 males [size not recorded] and 6 females [size not recorded], same data as holotype (MZUEL 504, genetic vouchers: Bold Systems access AEGLA 003-21, AEGLA 004-21). 1 male [CLE 16.7 mm], Brazil, Paran��, Ortigueira, Paranapanema River basin, Tibagi River sub-basin, tributary of the Formiga River, 24��10 �� 56.50���S, 50��56 �� 31.50���W, altitude 726 m, O.A. Shibatta coll., August 2014 (MZUEL 388). 1 male [CLE 20.1 mm] and 6 females [CLE 13.6���19.4 mm], Brazil, Paran��, Ortigueira, Paranapanema River basin, Tibagi River sub-basin, Piquira River, coordinates and coll. unknown, 2 February 2001 (MZUEL 440). 1 male [CLE 20.1 mm] and 1 female [CLE 19.2 mm], same locality, coordinates and coll. unknown, 25 April 2002 (MZUEL 441). Diagnosis Rostrum triangular, narrow base, extending beyond distal apex of compound eyes, carinate along entire length. Subrostral process well developed, occupying proximal half of subrostral margin, anterior and posterior margins forming acute angle. Orbital and extraorbital sinuses deep. Anterolateral spines reaching basal margin of cornea. Epigastric prominences pronounced. Protogastric lobes pronounced. Cervical groove trapezoidal. Areola subrectangular. Epibranchial area shortened. Lobe on proximal dorsal margin of dactylus rudimentary. Carpal ridge high on outer surface of carpus. Ventromesial border of cheliped ischium with 4 or 5 tubercles. Anteromesial region of third thoracic sternite abrupt. Anterior margin of second abdominal epimeron almost straight. Uropods wide. Description of holotype Carapace moderately convex, gastric region convex, dorsal surface scabrous, covered with punctations (Figure 7A). Rostrum triangular, narrow base (RBW/LMR = 0.79), extending beyond distal apex of compound eyes, carinate along entire length, small corneous scales on lateral margins and tip; ventral portion of rostrum much higher than dorsal in profile. Rostral carina beginning at level of protogastric lobes, with 2 rows of corneous scales extending next to apex. Subrostral process well developed, occupying proximal half of subrostral margin, triangular, tip rounded, anterior and posterior margins forming acute angle (88��) (Figure 8A). Eyestalk and cornea well developed. Orbital and extra-orbital sinuses deep. Orbital sinus U-shaped. Orbital spines well developed, with small terminal corneous scale. Anterolateral spines acuminate apically with small corneous scales terminally, reaching basal margin of cornea. Epigastric prominences pronounced, with corneous scales. Protogastric lobes pronounced, with corneous scales (Figure 8A). Gastric area elevated in relation to hepatic lobes and rostrum in lateral view. Demarcation between the first and the second hepatic lobes well defined, between the second and the third hepatic lobes weakly delimited. Lateral margins of hepatic lobes with small corneous scales and small setae. Cervical groove trapezoidal (Figure 8B). Transverse dorsal linea sinuous along its extension. Areola subrectangular (AH/[(APM+AAD)/2] = 2.20). Cardiac area trapezoidal (TDL/PMC = 1.39). Epibranchial area shortened, triangular, anterolateral angle with corneous scale, lateral margin with row of corneous scales and small setae (Figure 8B). Lateral margins of anterior and posterior branchial areas with row of corneous scales and small setae. Chelipeds unequal. Left cheliped largest (Figure 9 (A,B)). Dactylus: dorsal margin and outer surface with small corneous scales, inner surface with setal tufts and scales. Proximal dorsal margin with rudimentary lobe. Cutting margin with well-developed lobular basal tooth, followed by row of corneous scales to distal end. Row of small tufts of long setae next to cutting margin. Pre-dactylar lobe well developed, rounded, without corneous scales. Propodus: outer surface granular, globose aspect. Palmar crest subdisciform with outer surface excavated, margin poorly serrated, covered by acuminate corneous scales. Cutting margin of fixed finger with well-developed lobular basal tooth, followed by row of corneous scales to distal end. Inner and outer surfaces of fixed finger with rows of long setal tufts next to cutting margin. Carpus: dorsal margin with 2 proximal tubercles, median spine, distal spine longest, each tubercle or spine with small setae and terminal corneous scale, subterminal lobe well defined, pointed, with small corneous scales and setae. Inner surface with large tubercle, long setae next to dorsal margin. Outer surface with carpal ridge high, with small corneous scales. Merus: dorsolateral edge with distal tubercle, with corneous scale terminally, followed by row of tubercles decreasing in size proximally. Ventromesial edge with distal spine, with corneous scale terminally, followed by 4 tubercles of similar size, with corneous scale. Ventrolateral border with distal tubercle, with terminal corneous scale, followed by row of small tubercles. Ischium (Figure 7B): dorsolateral edge with spine, with corneous scale terminally. Ventromesial border with proximal tubercle, 2 median tubercles and large distal tubercle, each with terminal corneous scale. Ventrolateral border smooth. Minor cheliped (right) similar to major cheliped except as noted hereafter (Figure 9 (C, D)). Dactylus: cutting margin with rudimentary lobular basal tooth. Propodus: cutting margin with rudimentary lobular basal tooth. Ischium: ventromesial border with proximal tubercle, 3 small median tubercles and large distal tubercle, each with terminal corneous scale. Second, third and fourth pereiopods similar. Dactyli, propodi, carpi, meri and ischii with several rows of setal tufts and small scales on surface. Carpi and meri with row of small tubercles with terminal corneous scale along dorsal margin. Meri with row of small tubercles with terminal corneous scale along ventral margin. Meri and ischii with long setae concentrated along dorsal margin. Anteromesial region of third thoracic sternite abrupt, projecting between coxae of third maxillipeds, with scattered setae (Figure 7C). Fourth thoracic sternite with anterolateral angles produced anteriorly, with scattered setae (Figure 10A). Pleopods 2���5 absent. Anterolateral angle of second abdominal epimeron well defined, unarmed (Figure 10B). Ventral angle of third abdominal epimeron well defined with small corneous scales apically. Ventral angle of fourth abdominal epimeron well defined, unarmed. Anterior margin of second abdominal epimeron almost straight (Figures 7D, 10B). Uropods well developed, wide (WU/HWT = 1.04). Telson divided by longitudinal suture. Anterolateral and posterolateral margins well differentiated. Variations The areola can be subrectangular (n = 10), trapezoidal (n = 2) or rectangular (n = 1). The cardiac area varies from subrectangular (n = 9) to trapezoidal (n = 4). The palmar crest may appear rectangular instead of subdisciform. The anteromesial region of third thoracic sternite can be abrupt (n = 8) or tapered (n = 5). The anterolateral angle of second abdominal epimeron may present apical corneous scales instead of being naked as in the holotype. In most specimens, the ventral angle of the third abdominal epimeron is devoid of corneous scales. The uropods are narrow in a few specimens (n = 2). All measurements are summarised in Table 1. Etymology The specific epithet ���abrupta���, from the Latin abruptus, refers to the abrupt third thoracic sternite of the species. Distribution The new species has been collected in three watercourses within the Tibagi River subbasin, Paranapanema River basin. These watercourses are located in the city of Ortigueira, Paran�� state, Brazil. Conservation status We suggest that Aegla abrupta sp. nov. be assigned as ���Vulnerable��� (VU) under criteria B1, B2ab(iii) as defined by the IUCN (2019). This species has been recorded in three localities (B2a) and the known extent of occurrence is estimated to be less than 500 km 2 (B1). The streams where the specimens of Aegla abrupta sp. nov. were found are in agricultural and urbanised areas (B2b(iii)). Remarks Aegla abrupta sp. nov. can be separated from its congeners, mainly by, among other characters, subrostral process well developed (undeveloped in A. strinatii), occupying proximal half of subrostral margin (on proximal third of subrostral margin in A. lata, A. jacutinga, Aegla santosi sp. nov. and Aegla nanopedis sp. nov., and occupying median portion of subrostral margin in A. jaragua); anterior and posterior margins of subrostral process forming acute angle (right angle in A. lata and A. jacutinga, and obtuse angle in A. jaragua, Aegla santosi sp. nov. and Aegla nanopedis sp. nov.); orbital and extra-orbital sinuses deep (shallow in A. odebrechtii); epigastric prominences pronounced (poorly pronounced in A. lata and A. jacutinga); protogastric lobes pronounced (poorly pronounced in A. odebrechtii, A. lata, A. jarai and A. jaragua); cervical groove trapezoidal (U-shaped in A. lata and Aegla nanopedis sp. nov.); subterminal lobe of carpus well defined, pointed (poorly defined in A. strinatii); outer surface of carpus with carpal ridge high (low in A. jacutinga); dorsal margin of carpus and merus of second pereiopods with small tubercles with terminal corneous scale (with distal spine followed by tubercles decreasing in size proximally in A. jarai); ventral margin of merus of second pereiopods with small tubercles with terminal corneous scale (one or two small spines in A. castro and A. schmitti); anteromesial region of third thoracic sternite abrupt (tapered or truncate in A. lata, truncate in A. jaragua, and tapered in A. jacutinga, Aegla santosi sp. nov. and Aegla nanopedis sp. nov.); anterior margin of second abdominal epimeron almost straight (concave in A. castro and A. schmitti and slightly concave in A. jacutinga); uropods wide (narrow in A. lata and A. jaragua). Our Bayesian tree based on the COI mitochondrial gene (Figure 6) recovered Aegla abrupta sp. nov. as the sister species to Aegla nanopedis sp. nov., and both clustered in the same subclade as A. jacutinga. The interspecific genetic distances (Table 2) reinforce the relationships evidenced in the Bayesian analysis., Published as part of Mar��al, Ingrid Costa, P��ez, Fernanda Polli, Silva, Priscila Frazato Da, Souza-Shibatta, Lenice & Teixeira, Gustavo Monteiro, 2021, Cryptic diversity among populations of Aegla Leach, 1820 (Decapoda: Anomura: Aeglidae) from Tibagi River basin, Paran�� state, Brazil, with descriptions of three new species, pp. 2145-2171 in Journal of Natural History 55 (33 - 34) on pages 2155-2161, DOI: 10.1080/00222933.2021.1984599, http://zenodo.org/record/5727887, {"references":["IUCN. 2019. Guidelines for using the IUCN red list categories and criteria. Version 14. Prepared by the Standards and Petitions Subcommittee. [accessed 2020 Dec 30]. http: // www. iucnredlist. org / documents / RedListGuidelines. pdf."]}
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- 2021
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4. Aegla Leach 1820
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Marçal, Ingrid Costa, Páez, Fernanda Polli, Silva, Priscila Frazato Da, Souza-Shibatta, Lenice, and Teixeira, Gustavo Monteiro
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Arthropoda ,Decapoda ,Animalia ,Aeglidae ,Biodiversity ,Malacostraca ,Aegla ,Taxonomy - Abstract
Aegla s antosi sp. nov. Mar��al and Teixeira (Figures 11���14) urn:lsid:zoobank.org:act: 5751F246-51C1-4BC3-BBD5-CE21CB09CEC5 Holotype Male [CLE 19.3 mm], Brazil, Paran��, Tel��maco Borba, Paranapanema River basin, Tibagi River sub-basin, Codorna Branca stream, 24��15 �� 06.70���S, 50��31 �� 46.58���W, altitude 792 m, G. M. Teixeira, I.C. Mar��al and P.F. da Silva coll., 11 March 2020 (MZUEL 511). Paratypes 5 males [CLE 13.4���20.9 mm] and 5 females [CLE 14.1 ���16.0 mm], same data as holotype (MZUEL 500). 1 male [CLE 17.0 mm] and 1 female [CLE 16.9 mm], same locality, J.F.M. da Silva, E.S. da Silva and S.T. Bennemann coll., 7 August 2014 (MZUEL 470). Additional material examined 7 males [size not recorded] and 3 females [size not recorded], same data as holotype (MZUEL 505, genetic vouchers: Bold Systems access AEGLA 005-21, AEGLA 006-21). 1 male [CLE 13.3 mm], Brazil, Paran��, Tel��maco Borba, Paranapanema River basin, Tibagi River sub-basin, Varanal stream, 24��19 �� 59.70���S, 50��33 �� 37.20���W, altitude 761 m, S.T. Bennemann coll., 19 May 2005 (MZUEL 183). 3 males [CLE 12.7���16.8 mm], same locality and coll., March 2004 (MZUEL 349). 1 male [CLE 20.5 mm], same locality and coll., 24��20 �� 12.70���S, 50��32 �� 03.20���W, altitude 802 m, 11 February 2005 (MZUEL 332). 1 male [CLE 16.4 mm], same locality and coll., 24��20 �� 13.40���S, 50��35 �� 23.10���W, altitude 687 m, 9 November 2005 (MZUEL 344). 1 female [CLE 17.0 mm], Brazil, Paran��, Tel��maco Borba, Paranapanema River basin, Tibagi River sub-basin, Harmonia stream, coordinates and coll. unknown, 20 June 2006 (MZUEL 414). 4 females [CLE 12.5���15.8 mm], same locality, coordinates and coll. unknown, 16 March 2012 (MZUEL 415). 1 male [CLE 15.2 mm] and 1 female [CLE 15.4 mm], Brazil, Paran��, Tel��maco Borba, Paranapanema River basin, Tibagi River sub-basin, Moinho Velho stream, 24��13 �� 18.34���S, 50�� 37 �� 42.42���W, altitude 739 m, S.T. Bennemann coll., 7 August 2014 (MZUEL 426). 1 male [CLE 25.3 mm], same locality, J.F.M. da Silva coll., 3 November 2014 (MZUEL 427). 2 females [CLE 14.4 ���15.0 mm], Brazil, Paran��, Tel��maco Borba, Paranapanema River basin, Tibagi River subbasin, Col��nia stream, 24��10 �� 27.79���S, 50��37 �� 28.45���W, altitude 736 m, S.T. Bennemann coll., 7 August 2014 (MZUEL 437). Diagnosis Rostrum triangular, narrow base, extending beyond distal apex of compound eyes, carinate along entire length. Subrostral process well developed, occupying proximal third of subrostral margin, anterior and posterior margins forming obtuse angle. Orbital and extra-orbital sinuses deep. Anterolateral spines reaching basal margin of cornea. Epigastric prominences pronounced. Protogastric lobes pronounced. Areola trapezoidal. Cardiac area subrectangular. Epibranchial area slightly elongated. Lobe on proximal dorsal margin of dactylus rudimentary or absent. Carpal ridge high on outer surface of carpus. Ventromesial border of cheliped ischium with 4 or 5 tubercles. Ventral angles of third and fourth abdominal epimeron with corneous scales apically. Uropods wide., Published as part of Mar��al, Ingrid Costa, P��ez, Fernanda Polli, Silva, Priscila Frazato Da, Souza-Shibatta, Lenice & Teixeira, Gustavo Monteiro, 2021, Cryptic diversity among populations of Aegla Leach, 1820 (Decapoda: Anomura: Aeglidae) from Tibagi River basin, Paran�� state, Brazil, with descriptions of three new species, pp. 2145-2171 in Journal of Natural History 55 (33 - 34) on pages 2161-2163, DOI: 10.1080/00222933.2021.1984599, http://zenodo.org/record/5727887
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- 2021
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5. Aegla buenoi Marcal & Teixeira 2021, n. sp
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Marçal, Ingrid Costa, Páez, Fernanda Polli, Souza-Shibatta, Lenice, Sofia, Silvia Helena, and Teixeira, Gustavo Monteiro
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Arthropoda ,Decapoda ,Animalia ,Aeglidae ,Biodiversity ,Malacostraca ,Aegla ,Taxonomy ,Aegla buenoi - Abstract
Aegla buenoi Marçal & Teixeira n. sp. (Figs 3–5) urn:lsid:zoobank.org:act: F032E974-6EDE-4BA5-8577-17207631A62 Type-material. Holotype: male, Brazil, Paraná, Ibaiti, Paranapanema River basin, Cinzas River sub-basin, Carneiro stream, 23°57′19.71″S, 50°14′16.09″W, altitude 656 m, C.A. da Silva, R.H.C. do Nascimento and R. Rockembacher coll., 17.v.2016 (MZUEL 249). Paratypes: 1 male and 2 females, same data as holotype (MZUEL 245). 3 males and 2 females, Brazil, Paraná, Ibaiti, Paranapanema River basin, Cinzas River sub-basin, tributary of the Carneiro stream, 23°57′27.00″S, 50°14′5.00″W, altitude 620 m, G.M. Teixeira and J.J.S. Rosa coll., 12.vi.2017 (MZUEL 246, genetic vouchers: BOLD access AEGPR016-18, AEGPR017-18, AEGPR018-18, AEGPR019-18, AEGPR020-18). Type-locality. Carneiro stream, city of Ibaiti, Paraná state, Brazil. Geographical distribution. The new species has been collected in two streams within the Cinzas River subbasin, Paranapanema River basin. Both streams are located in the city of Ibaiti, Paraná state, Brazil. Diagnosis. Rostrum triangular, narrow base, reaching distal apex of compound eyes, carinate. Subrostral process well developed, occupying proximal half of subrostral margin, anterior and posterior margins forming obtuse angle (122°). Extra-orbital sinus deep. Anterolateral spines not reaching basal margin of cornea. Epigastric prominences pronounced and oval. Protogastric lobes pronounced. Cervical groove U-shaped. Cardiac area subrectangular. Proximal dorsal margin of dactylus with rudimentary or absent lobe. Palmar crest disciform, outer surface excavated. Subterminal lobe of carpus well defined, pointed. Ventromesial border of cheliped ischium with 4 or 5 tubercles. Anteromesial region of third thoracic sternite tapered. Anterior angle of second abdominal epimeron and ventral angles of third and fourth abdominal epimeron with corneous scale apically. Anterior margin of second abdominal epimeron almost straight. Uropods wide. Description of holotype. Carapace moderately convex, gastric region convex, dorsal surface scabrous, covered with punctations, anterior and posterior branchial areas expanded laterally (CW/CLE = 1.02) (Figs 3A, 4A). Rostrum triangular, narrow base (RBW/LMR = 0.98), reaching distal apex of compound eyes, carinate along entire length, small corneous scales on lateral margins, tip apparently broken; ventral portion of rostrum much higher than dorsal in profile. Rostral carina beginning at level of protogastric lobes, with row of corneous scales extending next to apex. Subrostral process well developed and covered by small setae, occupying proximal half of subrostral margin, tip rounded, anterior and posterior margins forming obtuse angle (122°) (Figs 3B, 4B). Eyestalk and cornea well developed. Orbital and extra-orbital sinuses deep. Orbital sinus U-shaped. Orbital spines well developed, with small terminal corneous scale. Anterolateral spines acuminate apically with small corneous scales terminally, not reaching basal margin of cornea. Epigastric prominences pronounced and oval, with corneous scales. Protogastric lobes pronounced, with corneous scales (Fig. 4B). Gastric area elevated in relation to hepatic lobes and rostrum in lateral view. Demarcation between hepatic lobes well defined. Lateral margins of hepatic lobes with small corneous scales. Cervical groove U-shaped. Transverse dorsal linea sinuous along its extension. Areola rectangular (AH/ [(APM+AAD)/2] = 2.54). Cardiac area subrectangular (TDL/PMC = 1.22). Epibranchial area strongly elongated, anterolateral angle with 2 corneous scales, lateral margin with row of small corneous scales and small setae. Lateral margins of anterior and posterior branchial areas with row of corneous scales and small setae. Chelipeds unequal, left largest. Major cheliped (left). Dactylus (Fig. 4C): dorsal margin and outer surface with small corneous scales, inner surface with setal tufts and scales; dorsal margin without proximal lobe; cutting margin with well-developed lobular basal tooth, followed by row of corneous scales up to distal end; row of small tufts of long setae next to cutting margin; pre-dactylar lobe well developed, rounded, smooth, without corneous scales. Propodus (Fig. 4C): outer surface granular, globose aspect; palmar crest disciform with outer surface excavated, margin poorly serrated, covered by corneous scales; fixed finger cutting margin with well-developed lobular basal tooth, followed by row of corneous scales up to distal end; inner and outer surfaces of fixed finger with rows of long setae tufts next to cutting margin. Carpus (Fig. 4C): dorsal margin with 2 proximal tubercles, 2 median spines, distal tubercle, double-tipped, each tubercle or spine with terminal corneous scale, subterminal lobe well defined, pointed, with small corneous scales, setae apically; inner surface with 2 distinct tubercles with acute corneous scale terminally; outer surface with carpal ridge high, with small corneous scales. Merus (Fig. 4D): dorsolateral edge with distal tubercle, with corneous scale terminally, followed by row of tubercles decreasing in size proximally; ventromesial edge with 2 distal spines, with corneous scale terminally, followed by 3 tubercles of similar size, with corneous scale; ventrolateral border with 2 distal tubercles, with terminal corneous scale, followed by several small tubercles proximally. Ischium (Figs 3C, 4D): dorsolateral edge with spine, with corneous scale terminally; ventromesial border with large proximal tubercle, 3 small median tubercles and large distal tubercle, each with terminal corneous scale; ventrolateral border smooth. Minor cheliped (right) similar to major cheliped except as noted hereafter. Dactylus (Fig. 4E): cutting margin with rudimentary lobular basal tooth. Propodus (Fig. 4E): cutting margin with rudimentary lobular basal tooth. Carpus (Fig. 4E): dorsal margin with 2 proximal tubercles, 2 median spines, distal spine, each with terminal corneous scale; inner surface with 5 tubercles, corneous scale terminally. Merus (Fig. 4F): ventromesial edge with distal spine, followed by 5 tubercles, each with terminal corneous scale. Ischium (Fig. 4F): ventromesial border with proximal tubercle, distal tubercle, each with terminal corneous scale. Second, third, and fourth pereiopods similar. Dactyli, propodi, carpi, meri and ischii with several rows of setal tufts and small scales on surface. Carpi and meri with row of tubercles with terminal corneous scale along dorsal margin. Meri and ischii with long setae concentrated along dorsal margin. Anteromesial region of third thoracic sternite tapered, projecting between coxae of third maxillipeds, with scattered setae. Fourth thoracic sternite with anterolateral angles produced anteriorly, with scattered setae (Fig. 3D). Anterolateral angle of second abdominal epimeron and ventral angles of third, fourth abdominal epimeron well defined, with corneous scale apically. Anterior margin of second abdominal epimeron almost straight (Fig. 3E). Uropods well developed, wide (WU/HWT = 1.04). Pleopods 2–5 absent. Telson divided by longitudinal suture. Anterolateral and posterolateral margins well differentiated. Variations. The rostrum is generally narrow base, but in some paratypes the base is wider than usual (RBW/ LMR = 1.03 ± 0.04; n = 5). In some specimens, the anterolateral spines can reach the basal margin of the cornea. The areola can be subrectangular (AH/[(APM+AAD)/2] = 2.12 ± 0.20; n = 4), trapezoidal (APM/AAD = 1.79 ± 0.10; n = 3), or rectangular (AH/[(APM+AAD)/2] = 2.31; n = 1). The cardiac area varies from subrectangular (TDL/PMC = 1.28 ± 0.06; n = 7) to trapezoidal (TDL/PMC = 1.45; n = 1). The proximal lobe on the dorsal margin of the dactylus of the major and minor chela may be rudimentary (as opposed to absent) (Fig. 5A). The palmar crest is rectangular instead of disciform in small individuals (CLE Biology. Unknown. Etymology. The specific epithet is given in honor of Dr. Sérgio Luiz de Siqueira Bueno, for his outstanding contributions to the taxonomy and knowledge of the biology of aeglids. Molecular data. Sequences of COI generated in this study were deposited in the BOLD database (access numbers AEGPR016-18, AEGPR017-18, AEGPR018-18, AEGPR019-18, AEGPR020-18).Altogether we analyzed 884 base pairs (bp) of COI with no insertions, deletions, or stop-codon. The mean base frequencies were: A = 0.2880, C = 0.1444, G = 0.1537, T = 0.4140. The genetic distance between A. buenoi n. sp. and its congeners ranged from 2.1% to 4.8% (Table 2). Aegla jacutinga showed the lowest divergence relative to A. buenoi n. sp., and the other species. In contrast, A. strinatii was found to be most distantly related to the new species and exhibited higher interspecific variations than the others, with a minimum K2P divergence of 3.8%. Most of the species showed intraspecific distances lower than 0.4%. Aegla castro and A. schmitti, however, presented intraspecific variations higher than 2.6% (Table 2). Regarding species delimitation, the GMYC analysis indicated the presence of 10 independent strains (Fig. 6). Two distinct clusters, with various well-supported subclusters, were obtained. Interestingly, the sequences of A. castro and A. schmitti formed non-monophyletic groups. On the other hand, all sequences of A. buenoi n. sp. were joined in the same cluster, indicating the presence of a single species., Published as part of Marçal, Ingrid Costa, Páez, Fernanda Polli, Souza-Shibatta, Lenice, Sofia, Silvia Helena & Teixeira, Gustavo Monteiro, 2021, Aegla buenoi n. sp. (Decapoda: Anomura): first record of aeglid crab from Cinzas River basin, Brazil, pp. 291-303 in Zootaxa 5005 (3) on pages 294-299, DOI: 10.11646/zootaxa.5005.3.4, http://zenodo.org/record/5141770
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- 2021
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6. Telemedicina em Cardiologia para Seguimento Ambulatorial de Pacientes com Alto Risco Cardiovascular em Reposta à Pandemia de COVID-19
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Moreira, Henrique Turin, Volpe, Gustavo Jardim, Rezek, Uebe Chade, Mendonça, Pedro Cunha de, Teixeira, Gustavo Corrêa de Almeida, Santos, Bruno Moreira dos, Olivieri, Anna Paula Gonçalves, Chierice, Ana Julia Abbud, Monteiro, Henrique Zanqueta, Araújo, Natanael Mendes de, Maciel, Benedito Carlos, Pazin Filho, Antonio, and Schmidt, André
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Coronary Artery Disease/complications ,Pandemia ,Assistência Ambulatorial ,Betacoronavirus/infecção ,Betacoronavirus/infection ,Ambulatory Care ,COVID-19 ,Telemedicina ,Pandemics ,Doença da Artéria Coronariana/complicações ,Telemedicine - Published
- 2021
7. O impulsionamento pago nas redes sociais e seus limites em ambiente pré-campanha eleitoral
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Teixeira, Gustavo Alves Pinto
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Submitted by tgoncalv@stj.jus.br (tgoncalv@stj.jus.br) on 2021-01-21T13:19:40Z No. of bitstreams: 2 impulsionamento_pago_redes_teixeira.pdf: 343942 bytes, checksum: 3a79a944fb9c1480ca6a35b882518d4d (MD5) license.txt: 1239 bytes, checksum: c9b4c351324448672315a00808efb725 (MD5) Approved for entry into archive by Stephanie Moira (rsmoira@stj.jus.br) on 2021-02-08T20:44:58Z (GMT) No. of bitstreams: 2 impulsionamento_pago_redes_teixeira.pdf: 343942 bytes, checksum: 3a79a944fb9c1480ca6a35b882518d4d (MD5) license.txt: 1239 bytes, checksum: c9b4c351324448672315a00808efb725 (MD5) Made available in DSpace on 2021-02-08T20:44:58Z (GMT). No. of bitstreams: 2 impulsionamento_pago_redes_teixeira.pdf: 343942 bytes, checksum: 3a79a944fb9c1480ca6a35b882518d4d (MD5) license.txt: 1239 bytes, checksum: c9b4c351324448672315a00808efb725 (MD5) Previous issue date: 2021
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- 2021
8. Caracterização e armazenamento de frutos de eugenia klotzschiana o. Berg
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Sanches, Alex Guimarães [UNESP], Pedrosa, Vanessa Maria Dantas [UNESP], da Silva, Maryelle Barros [UNESP], Fernandes, Thiago Feliph Silva [UNESP], Teixeira, Gustavo Henrique de Almeida [UNESP], and Universidade Estadual Paulista (UNESP)
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Myrtaceae ,Native fruit ,Pera-do-cerrado ,Brazilian savanna - Abstract
Made available in DSpace on 2022-04-28T19:42:05Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01 Pera-do-cerrado (Eugenia klotzschiana O. Berg) has a good appearance and adequate post-harvest shelf life. However, little information is available regarding its maturity stages. This study aimed at characterizing E. klotzschiana fruits harvested at three maturity stages (immature, physiological mature and ripe), in addition to evaluating the physical and chemical changes during storage at ambient temperature (24 ± 2 ºC and 75 % ± 5 % of RH) for up to 5 days. The ripe fruits had a higher fresh mass (98.03 g), width (5.61 cm) and ratio (5.37), and lower titratable acidity (1.27 %). In contrast, immature fruits showed a greener peel (101.32 ºh) and higher vitamin C content (11.23 mg 100 g-1). There was an increase in the fresh weight loss (3.05 %) and a decrease in the peel luminosity (67.09-57.12 L*) and vitamin C content (8.11-5.04 mg 100 g-1). However, the soluble solids (SS) values did not change during the 5 days of storage. A reduction in the titratable acidity (TA; 1.29-1.06 %) was also observed, which resulted in a higher ratio (3.81-5.84). In conclusion, E. klotzschiana fruits should be harvested ripe, as they present larger dimensions, better color, higher SS/TA (flavor) and are less acidic. Universidade Estadual Paulista Faculdade de Ciências Agrárias e Veterinárias Departamento de Ciências da Produção Agrícola Universidade Estadual Paulista Faculdade de Ciências Agrárias e Veterinárias Departamento de Ciências da Produção Agrícola
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- 2021
9. Vine tea (Ampelopsis grossedentata): A review of chemical composition, functional properties, and potential food applications
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Carneiro, Renata C. V., Ye, Liyun, Baek, Naerin, Teixeira, Gustavo H. A., O'Keefe, Sean F., and Food Science and Technology
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Natural antioxidant ,Ampelopsis grossedentata ,Dihydromyricetin ,food and beverages ,Vine tea ,Ampelopsin - Abstract
Herbal teas like vine tea (Ampelopsis grossedentata) have been traditionally consumed worldwide because of their health-promotion and pleasant taste. Vine tea and its main bioactive component, dihydromyricetin, have gained attention because of their potential applications in food, material, and pharmaceutical sciences. Vine tea and dihydromyricetin have been suggested as potential natural antioxidants to extend shelf life of foods. Studies have also suggested potential application in packaging and food safety. Additionally, dietary supplementation with vine tea extract have shown great potential to prevent metabolic diseases, which can justify its application in novel functional foods. This review discusses the chemistry, functional properties, and potential applications of vine tea and dihydromyricetin in the food industry. Although vine tea extracts and dihydromyricetin have shown promising results, further studies on optimal application, thermal stability, synergetic effect with other natural antioxidants, consumer acceptability, and sensory profile of vine tea are needed to support food product innovation. Fulbright; Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)CAPES; Virginia Agricultural Experiment Station; Hatch Program of the National Institute of Food and Agriculture, U.S. Department of Agriculture The authors would like to thank the financial support from both Fulbright and Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) for the first author's scholarship. Funding was also provided, in part, by the Virginia Agricultural Experiment Station and the Hatch Program of the National Institute of Food and Agriculture, U.S. Department of Agriculture.
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- 2021
10. Capacitação de professores para ensinar conteúdos de física em aulas de ciências do ensino fundamental : interlocuções entre os saberes da formação e da prática docente
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Seabra Eiras, Wagner da Cruz, Dias de Menezes, Paulo Henrique, De Paula Rocha, Monalisa, and Neves Teixeira, Gustavo
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Ensino de física ,Aulas de ciências ,Ensino fundamental ,Capacitação de professores ,Prática docente ,Aulas de ciência - Abstract
Este trabalho apresenta resultados parciais de uma pesquisa desenvolvida para compreender a dinâmica de transposição para a sala de aula de uma metodologia de ensino de ciências baseada na construção de brinquedos científicos. Essa metodologia foi aplicada em dois cursos de capacitação para professores de ciências do ensino fundamental. Considerando o saber formativo como aquele desenvolvido nos cursos de capacitação e o saber experiencial como aquele incorporado pelo professor em seu trabalho cotidiano, nosso objetivo foi compreender a dinâmica de transposição do saber formativo para o saber experiencial. Para isso, conduzimos um estudo qualitativo norteado pela observação participante, tendo como fontes de dados: registros em notas de campo, entrevistas semiestruturadas, questionários e registros em vídeo e fotográfico das ações desenvolvidas nos cursos e de seus desdobramentos em sala de aula. A análise dos dados foi conduzida numa perspectiva etnometodológica crítico-reflexiva, norteada pelos olhares dos pesquisadores-formadores e dos professores. Os resultados sugerem que o reconhecimento e a valorização do saber experiencial do professor favorecem a interlocução com o saber formativo, reduzindo a distância entre as intenções formativas da capacitação e a prática docente em sala de aula.
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- 2021
11. Estudio de cristalización de lactosa en lecho vibratorio con alta siembra utilizando un diseño central compuesto
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Teixeira, Gustavo Araújo, Malagoni, Ricardo Amâncio, Gonçalves, Ricardo Vieira, and Finzer, José Roberto Delalibera
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Cristalização ,Lactose ,Otimização ,Planejamento composto central ,La cristalización de la lactosa en un lecho vibratorio es una buena alternativa para obtener lactosa con mayor uniformidad y rendimiento en comparación con los cristalizadores convencionales. Se propuso una planificación centralizada compuesta para verifi ,Crystallization ,Vibrated bed ,Leito vibrado ,Central composite design ,Optimization - Abstract
Crystallization of lactose in a vibrated bed is a good alternative for obtaining lactose with greater uniformity and yield compared to conventional crystallizers. A central composite design was proposed to verify the significant variables of the operation, analysis of the response surfaces and technical optimization of the process. The maximum yield achieved in design with commercial seeds was 126%, which resulted in the largest final diameter of 4.8 × 10-6 m. There is a great influence of supersaturation and operating time on the mass yield and product size. In optimization, the predicted conditions as the maximum response generators indicated responses of 138% and 4.8 × 10-6 m which, when tested experimentally, resulted in responses of 138.96 ± 3.22% for the yield and 4.777 ± 0.092 × 10-6 m for the final average diameter, with deviations from the predicted values of 0.85% and 0.86%, respectively. A decrease in the mean size of the crystals was observed, in relation to the average size of the seeds inserted at the beginning of the crystallization, which may be related to the configuration of the seeds used, which present microparticles adhered to the surface of the crushed crystals, generating new crystallization nuclei and wear or detachment of portions of fractured seeds at the time of grinding. Crystallization of lactose in a vibrated bed is a good alternative for obtaining lactose with greater uniformity and yield compared to conventional crystallizers. A central composite design was proposed to verify the significant variables of the operation, analysis of the response surfaces and technical optimization of the process. The maximum yield achieved in design with commercial seeds was 126%, which resulted in the largest final diameter of 4.8 × 10-6 m. There is a great influence of supersaturation and operating time on the mass yield and product size. In optimization, the predicted conditions as the maximum response generators indicated responses of 138% and 4.8 × 10-6 m which, when tested experimentally, resulted in responses of 138.96 ± 3.22% for the yield and 4.777 ± 0.092 × 10-6 m for the final average diameter, with deviations from the predicted values of 0.85% and 0.86%, respectively. A decrease in the mean size of the crystals was observed, in relation to the average size of the seeds inserted at the beginning of the crystallization, which may be related to the configuration of the seeds used, which present microparticles adhered to the surface of the crushed crystals, generating new crystallization nuclei and wear or detachment of portions of fractured seeds at the time of grinding. A cristalização de lactose em leito vibrado se mostra uma boa alternativa para obtenção de lactose com maior uniformidade e rendimento em relação aos cristalizadores convencionais. Um planejamento composto central foi proposto para verificação das variáveis significativas da operação, análise das superfícies de resposta e otimização técnica do processo. O rendimento máximo alcançado no planejamento com sementes comerciais foi 126%, e o que resultou no maior diâmetro final de 4,8×10-6 m. Há grande influência da supersaturação e do tempo de operação sobre o rendimento mássico e tamanho do produto. Na otimização, as condições preditas como as geradoras de máximas respostas indicaram respostas de 138 % e 4,8 × 10-6 m que, quando testadas experimentalmente, resultaram nas respostas de 138,96 ± 3,22 % para o rendimento e 4,757 ± 0,092 ×10-6 m para o diâmetro médio final, com desvios em relação aos valores preditos de 0,85 % e 0,86 %, respectivamente. Observou-se uma diminuição do tamanho médio dos cristais, com relação ao tamanho médio das sementes inseridas no início da cristalização, que pode estar relacionada à configuração das sementes utilizadas, que apresentam micropartículas aderidas na superfície dos cristais triturados gerando novos núcleos de cristalização e desgastes ou desprendimento de porções de sementes fraturadas por ocasião de moagem.
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- 2020
12. Diseño, construcción y operación de un molino de bolas a escala piloto
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Rocha, Bruno Costa, Teixeira, Gustavo Fernandes, Trindade, Renata Soares, Arruda, Edu Barbosa, and Souza, Davi Leonardo de
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Moinho de bolas ,Molino de bolas ,Glass beads ,Cominuição ,Ball mill ,Comminution ,Esferas de vidro ,Conminución ,Esferas de vidrio - Abstract
The type of device that was built and studied in this research was used in 10,000 BC in Pompeii and used the strength of a man for its operation, currently this device is modernized and more efficient. The purpose of a ball mill is the fragmentation of solid materials into smaller granules, usually its use is limited to the grinding of non-plastic (or hard) materials. The objective of this work is to present the project construction and operation of a low cost ball mill for the fragmentation of materials, using in its development reusable materials. The motivation comes from the need for equipment to grind samples to be used in the Chemical Engineering laboratory, at the Federal University of Triângulo Mineiro (UFTM). The study of each type of mill was carried out accompanied by theoretical calculations for dimensioning and computer simulation so that the possible performance of the equipment can be closely seen. The different types of materials in each element of the equipment were also analyzed, looking for the best cost-benefit ratio in the project. The material used in the drum was polyvinyl chloride (PVC), the spheres were made of glass, the welded iron structure and the electric motor used, was an ergometric mat. The material used to be milled was phosphate rock, with different granulometries, which can be used, for example in the manufacture of phosphate fertilizers. The results were quite satisfactory, reaching a reduction of up to 96.95% of the initial size of the ground particles. El tipo de dispositivo que fue construido y estudiado, se usó en 10,000 AC en Pompeya y usó la fuerza de un hombre para su operación, actualmente este dispositivo está modernizado y es más eficiente. El propósito de un molino de bolas es la fragmentación de materiales sólidos en gránulos más pequeños, generalmente su uso se limita a la molienda de materiales no plásticos (o duros). El objetivo de este trabajo es presentar el proyecto de construcción y operación de un molino de bolas de bajo costo para la fragmentación de materiales, utilizando materiales reutilizables en su desarrollo. La motivación proviene de la necesidad de equipos para moler las muestras que se utilizarán en el laboratorio de Ingeniería Química, en la Universidad Federal de Triângulo Mineiro (UFTM). El estudio de cada tipo de molino se realizó acompañado de cálculos teóricos para dimensionamiento y simulación computacional para que el posible rendimiento del equipo se pueda ver de cerca. También se analizaron los diferentes tipos de materiales en cada elemento del equipo, buscando la mejor relación costo-beneficio en el proyecto. El material utilizado en el tambor era cloruro de polivinilo (PVC), las esferas estaban hechas de vidrio, la estructura de hierro soldado y el motor eléctrico utilizado, era una estera ergométrica. El material que solía ser molido era roca de fosfato, con diferentes granulometrías, que se pueden utilizar, por ejemplo, en la fabricación de fertilizantes fosfatados. Los resultados fueron bastante satisfactorios, alcanzando una reducción de hasta el 96.95% del tamaño inicial de las partículas molidas. O tipo de dispositivo que foi construído e estudado, era utilizado à 10.000 a.C na Pompéia e utilizava a força de um homem para seu funcionamento, atualmente este dispositivo está modernizado e mais eficiente. A finalidade de um moinho de bolas é a fragmentação de matérias sólidas em grânulos de menor tamanho, habitualmente a sua utilização limita-se à moagem das matérias não plásticas (ou duras). O objetivo deste trabalho é apresentar o projeto construção e operação de um moinho de bolas de baixo custo para a fragmentação de materiais, utilizando no seu desenvolvimento materiais reaproveitáveis. A motivação vem da necessidade de um equipamento para efetuar a moagem de amostras a serem utilizadas no laboratório de Engenharia Química, da Universidade Federal do Triângulo Mineiro (UFTM). Foi realizado o estudo de cada tipo de moinho acompanhado de cálculos teóricos para o dimensionamento e a simulação computacional para que se visualize de perto o possível desempenho do equipamento. Também foi analisado os diferentes tipos de materiais em cada elemento do equipamento, procurando a melhor relação de custo x benefício no projeto. O material utilizado no tambor foi policloreto de vinila (PVC), as esferas foram de vidro, a estrutura de ferro soldado e o motor elétrico utilizado, foi de uma esteira ergométrica. O material utilizado para ser moído, foi a rocha fosfática, com granulometrias diferentes, que pode ser empregada, por exemplo na fabricação de fertilizantes fosfatados. Os resultados foram bastante satisfatórios, chegando a uma redução de até 96,95% do tamanho inicial das partículas moídas.
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- 2020
13. Dynamics of the Pirambu Community Waste Recycling Society (SOCRELP) functions and its influence in the city of Fortaleza, Ceará
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Teixeira, Gustavo Fernandes, Zanella, Maria Elisa, and Santos, Gemmelle Oliveira
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Reciclagem ,Resíduos sólidos ,Catadores ,Associações - Abstract
The environment undergoes daily alterations by means of anthropogenic actions. Among these alterations is the activity of improper waste disposal, which leads to the intensification of environmental pollution. This is the scenario in which collectors of recyclable material - wastepickers – work and, through their work, act as environmental agents in a general context of improper waste disposal. The Waste Recycling Community Society of Pirambu (SOCRELP) acts in this scenario, being a wastepickers association located in the city of Fortaleza, in a neighborhood called Jacarecanga. The association was created in 1994 and continues function today contributing to the environmental cleaning and for a greater environmental awareness of the population. The goal of this dissertation is to comprehend the intercourse of the association with the city of Fortaleza and describe how its operating dynamic is developed. For this purpose, the research developed field studies over the period of one year to observe the associates routine, to record them by means of notes in a field journal and by means of pictures, to observe as a participant and with the implementation of interviews and questionnaires among the associated wastepickers. The research allows a comprehension of the work of a wastepickers association in Fortaleza and of the implications of its activities in the working dynamics of solid waste collecting. It was observed that, in SOCRELP, there are predominantly men, adults - mostly over 48 years of age - who earn up to minimum wage. For these individuals, recycling means a source of income, since they find themselves excluded from the formal labor market due to unemployment. The main recyclable materials collected/received are paper and cardboard, and among the neighborhoods where the association collects waste, the Aldeota neighborhood stands out as the largest generator of solid waste. O meio ambiente sofre alterações diárias por meio de ações antropogênicas, dentre elas o descarte incorreto de resíduos, que leva à intensificação da poluição ambiental. Nesse cenário estão presentes os catadores de materiais recicláveis, que atuam como agentes ambientais num panorama marcado pelo descarte errôneo de resíduos. Nesse cenário está inclusa a Sociedade Comunitária de Reciclagem de Lixo do Pirambu (SOCRELP), associação de catadores localizada no bairro Jacarecanga, criada no ano de 1994 e que até os dias de hoje continua a desempenhar um trabalho na cidade de Fortaleza, buscando contribuir para a limpeza do meio e maior conscientização ambiental da população. O objetivo do pres ente trabalho foi compreender as relações da Associação com a cidade de Fortaleza e descrever como se desenvolve sua dinâmica de funcionamento. Para tanto foram realizados trabalhos de campo no período de um ano para observar as rotinas dos associados, registrando-as por meio de anotações em diário de campo e registros fotográficos, se utilizando da observação participante e com realização de entrevistas e questionários com os catadores associados. A pesquisa proporcionou maior compreensão do trabalho de uma associação de catadores na cidade de Fortaleza e as implicações de sua atividade na dinâmica de funcionamento da coleta de resíduos sólidos, onde foi observado que na SOCRELP há a predominância de homens, adultos e a maioria com mais de 48 anos de idade, que recebem até um salário mínimo. Para esses trabalhadores a reciclagem funciona como fonte de renda, visto que devido ao desemprego se encontram excluídos do mercado formal de trabalho. Os principais materiais recicláveis coletados/recebidos são o papel e o papelão, onde dentre os bairros onde a Associação realizada a sua coleta, a Aldeota se destaca como o maior gerador de resíduos sólidos.
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- 2019
14. Changes after 20 years in the population structure of the South American endemic shrimp Artemesia longinaris (Crustacea, Decapoda) on the southeastern Brazilian coast
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Bernardo, Camila Hipolito [UNESP], Hiroki, Kátia Aparecida Nunes [UNESP], De Almeida, Ariádine Cristine [UNESP], Taddei, Fabiano Gazzi [UNESP], De Sousa, Aline Nonato [UNESP], Teixeira, Gustavo Monteiro [UNESP], Fransozo, Adilson [UNESP], Universidade Estadual Paulista (UNESP), Universidade Federal do Triângulo Mineiro, Universidade Federal de Uberlândia (UFU), Universidade do Estado do Amazonas, and Universidade Estadual de Londrina (UEL)
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Ubatuba ,Southwestern Atlantic ,Carapace size ,Sex ratio ,Endemic shrimp - Abstract
Made available in DSpace on 2022-04-29T08:28:28Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-01-01 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) The present study compared the population structure of the shrimp A. longinaris during two distinct periods (November/1988 to October/1989 and November/2008 to October/2009) in the Fortaleza Bay. We used Pearson correlation analysis to verify a possible association between temperature and cephalothorax length (CL) of the obtained individuals. 2412 females and 676 males of A. longinaris were captured in the first period; 843 females and 409 males, in the second. The mean size of shrimp was 15.6 mm CL in the first period and 14.3 mm CL, in the second (U=1066671.0; p < 0.05). Larger individuals were sampled at lower temperatures (Pearson's correlation; r2= -0.80; p < 0.05). In both periods of sampling, we have got adult females larger (mean sizes) than adult males. In addition, for both periods the sex ratio was in favor of females (p < 0.05). The intense trawling activity as well as the water temperature may have caused a sampling of smaller individuals in the second period. The sex ratio favoring females is possibly a result of migration of females to shallower regions, just after mating. After 20 years, only the mean size of the shrimp has changed among the analyzed aspects for A. longinaris. Núcleo de Estudos em Biologia Ecologia e Cultivo de Crustáceos (NEBECC) Instituto de Biociências de Botucatu Departamento de Zoologia Universidade Estadual Paulista 'Júlio de Mesquita Filho', Rua Professor Doutor Antonio Celso Wagner Zanin, s/n Universidade Federal do Triângulo Mineiro Departamento de Ciências Biológicas Universidade Federal de Uberlândia Instituto de Biologia Campus Umuarama Amazon Crustacean Studies Laboratory (LECAM) Universidade do Estado do Amazonas, Estrada Odovaldo Novo, Km 1 Universidade Estadual de Londrina (UEL) Campus Universitário, Rodovia Celso Garcia Cid, Km 380, s/n Londrina Núcleo de Estudos em Biologia Ecologia e Cultivo de Crustáceos (NEBECC) Instituto de Biociências de Botucatu Departamento de Zoologia Universidade Estadual Paulista 'Júlio de Mesquita Filho', Rua Professor Doutor Antonio Celso Wagner Zanin, s/n FAPESP: #2015/12.607/6
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- 2019
15. Computational fluid dynamics for flow analysis in bulb type turbines modified by the use of biomimetism
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Teixeira, Gustavo de Almeida Rodrigues, Universidade Estadual Paulista (Unesp), Tuna, Celso Eduardo [UNESP], and Bimbato, Alex Mendonça [UNESP]
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Dinâmica de fluidos computacional ,Rotor ,Finite volumes ,Biomimetismo ,Hydraulic turbine ,Volumes finitos ,Computational fluid dynamics ,Turbina hidráulica ,Biomimetism - Abstract
Submitted by Gustavo De Almeida Rodrigues Teixeira (gustavoteixeira@id.uff.br) on 2019-02-04T01:21:53Z No. of bitstreams: 1 Dissertação_Gustavo AR Teixeira.pdf: 2228338 bytes, checksum: 596e9f552f11bf85d69cb18bdb1f0968 (MD5) Approved for entry into archive by Ana Cristina Figueiredo Loureiro (ana-cristina.loureiro@unesp.br) on 2019-02-04T18:06:01Z (GMT) No. of bitstreams: 1 Dissertação_Gustavo AR Teixeira.pdf: 2228338 bytes, checksum: 596e9f552f11bf85d69cb18bdb1f0968 (MD5) Made available in DSpace on 2019-02-04T18:06:01Z (GMT). No. of bitstreams: 1 Dissertação_Gustavo AR Teixeira.pdf: 2228338 bytes, checksum: 596e9f552f11bf85d69cb18bdb1f0968 (MD5) Previous issue date: 2018-12-14 A busca por estudos visando às melhorias em projetos de engenharia relacionados às turbinas hidráulicas se tornam cada vez mais essenciais considerando a crescente demanda por fontes de energias renováveis como as usinas hidrelétricas. Por este motivo, cresce a necessidade de estudos sobre turbinas hidráulicas, por meio de inovações tecnológicas, que proporcionem a melhoria do rendimento das mesmas. Esse trabalho tem como objetivo aplicar modificações nas turbinas por meio de técnicas de projeto, como o biomimetismo, nas pás dos rotores de turbinas do tipo Bulbo e comparar o comportamento do escoamento sobre as pás e o rendimento dessas turbinas com aquelas projetadas sem a aplicação do biomimetismo. Para atingir esse objetivo a modelagem da turbulência se dá através da metodologia URANS (unsteady Reynolds averaged Navier-Stokes) e o modelo de turbulência escolhido foi o k-ε, por ser ideal em escoamentos turbulentos, demandar um menor tempo de simulação computacional e apresentar maior semelhança com dados experimentais. Como resultado, observa-se que as mudanças realizadas na geometria das pás das turbinas, baseadas nos conceitos e técnicas de biomimetismo, proporcionaram aumento de desempenho nas turbinas bulbo, evidenciando-se assim a capacidade do biomimetismo de proporcionar melhorias em projetos de turbinas hidráulicas, que ainda é pouco difundida e estudada. Para a realização desse trabalho, usa-se o software comercial SolidWorks® para a criação da geometria e o ANSYS Student® (versão 19.1) para a análise do escoamento utilizando a dinâmica de fluidos computacional (CFD). The search for studies aimed at improving engineering projects related to hydraulic turbines becomes increasingly essential considering the increasing demand for renewable energy sources such as hydroelectric plants. For this reason, the need is growing for studies about hydraulic turbines, by means of technological innovations, that provide the improvement in these turbines. The objective of this work is to apply modifications in turbines by means of design techniques, such as biomimicry, on the rotor blades of the Bulb type turbine, and to compare the flow behavior on the blades and the performance of these turbines with those projected without the application of the biomimetism. To accomplish this objective, turbulence modeling was performed using the URANS (Unsteady Reynolds Averaged Navier-Stokes) methodology and the turbulence model chosen was k-ε, because it is ideal in turbulent flows, requires a shorter computational simulation time and presents greater similarity with experimental data. As a result, changes in turbine blade geometry, based on biomimetic concepts and techniques, have resulted in significant performance gains in bulb turbines, thus demonstrating the ability of biomimetric to provide improvements in hydraulic turbine designs , which is still less widespread and studied. The commercial SolidWorks® software was used for the creation of geometry and the ANSYS Student® (version 19.1) for flow analysis using computational fluid dynamics (CFD)
- Published
- 2018
16. Aegla okora Páez & Marçal & Souza-Shibatta & Gregati & Sofia & Teixeira 2018, n. sp
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Páez, Fernanda Polli, Marçal, Ingrid Costa, Souza-Shibatta, Lenice, Gregati, Rafael Augusto, Sofia, Silvia Helena, and Teixeira, Gustavo Monteiro
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Arthropoda ,Decapoda ,Animalia ,Aeglidae ,Biodiversity ,Malacostraca ,Aegla ,Taxonomy ,Aegla okora - Abstract
Aegla okora Páez & Teixeira n. sp. (Figs 2, 3, 4, 5, 6,) Type-material. Holotype: Male (CLE 21.3 mm), Brazil, Paraná, Pinhão, Iguaçu River basin, Tapera River, 25°41’39.51”S, 51°40’13.23”W, G.M. Teixeira, F.P. Paez and R.A. Gregati coll., February 2018 (MZUEL 250). Paratypes: 10 males (CLE 10.4 ¯23.0 mm) and 10 females (CLE 13.0¯18.0 mm), same data as holotype (MZUEL 251, genetic voucher: Bold Systems access AEGBR001-18, AEGBR002-18, AEGBR003-18, AEGBR004-18). Type-locality. Tapera River, city of Pinhão, Paraná, Brazil. Geographical distribution. Known only from the type-locality, despite searching in five nearby streams within a radius of the 32 km. Diagnosis. Triangular rostrum with narrow base. Subrostral process developed, anteriorly oriented at a 45° with the rostrum. Epigastric prominences and protogastric lobes pronounced, with scales and small setae. Anterolateral spine reaching basal margin of cornea. Branchial region swollen. Areola trapezoidal. Cardiac area trapezoidal. Proximal dorsal margin of movable finger of cheliped without lobe. Palmar crest of major cheliped rectangular. Anterolateral angle of second abdominal epimeron unarmed, with setae. Ventromesial border of ischium of the cheliped ornate with three tubercles, one proximal, one median and one distal. Uropodal (endopods) wide. Description of male holotype. Carapace convex, branchial region swollen. Rostrum triangular, base narrow (RBW/LMR = 0.87), extending beyond distal apex of compound eyes, with scales on lateral margins. Rostral carina beginning at level of protogastric lobes, with two parallel rows of scales becoming one row on distal third near apex (Fig. 2A, 3, 4A). Subrostral process developed forming angle of 45° (Fig. 4B). Eyestalk and cornea well developed. Orbital and extra-orbital sinuses deep. Orbital sinus with scales. Orbital spines developed, rounded. Anterolateral spines with corneous scales on lateral margin of carapace, reaching basal margin of cornea (Fig. 4A). Epigastric prominences pronounced, with scales and short setae. Protogastric lobes pronounced, with scales. Gastric area prominently inflated in relation to hepatic lobe and rostrum in lateral view. Demarcation between hepatic lobes well defined. Lateral margins of first hepatic lobe with corneous scale, second and third hepatic lobes with sparse scales. Cervical groove U-shaped (Fig. 4C). Transverse dorsal linea slightly sinuous throughout its extension, sinuosity more pronounced in mesial section. Areola trapezoidal (APM/AAD = 2.5). Cardiac area trapezoidal (TDL/PMC = 1.53) (Fig. 4C). Epibranchial area with spine or well developed scales on apex. Lateral margin of anterior branchial area with distal spine, setae and scales, posterior area with setae and scales. Anteromesial region of third thoracic sternite abrupt, with scattered setae on surface. Fourth thoracic sternite elevated in median region with setae, anterolateral angles well developed with spines (Fig. 2B, 4D). Chelipeds unequal in size (Figs 2A, 3). Major cheliped (left) (Fig. 5A). Dactylus: dorsal margin and outer surface granulate and ornamented with short scales. Pre-dactylar lobe absent. Proximal lobe on dorsal margin absent. Cutting margin with lobular basal tooth well developed proximally, with flattened corneous scales, followed by row of wide corneous scales up to distal end. Propodus: outer surface granulate. Palmar crest rectangular with outer surface excavated, margin with scales. Cutting margin of fixed finger with flattened corneous scales over its entire surface, with lobular basal tooth well developed proximally and acuminate corneous scale on distal end. Scattered tufts of long setae over inner surface, and alongside inner and outer surfaces next to cutting margin. Scattered scales and scales clustered into groups of 2 or 3 on inner surface. Carpus: dorsal margin with two tubercles proximally, two median spines with terminal corneous scale, one tubercle, internally displaced from the margin, distally, with terminal corneous scale, and sub-terminal lobe well defined, pointed, with corneous scales and setae apically. Inner surface with three tubercles with terminal corneous scale and setae. Outer surface with carpal ridge elevated along entire length, with scales clustered into groups of 3 – 5. Merus: dorsal margin with one tubercle. Dorsolateral edge with row of corneous scales and tubercles with corneous scales on distal third. Ventromesial edge with five tubercles decreasing in size proximally. Ventrolateral border with two tubercles distally, followed by row of scales clustered into groups of 2 – 3. Ischium: dorsolateral edge with distal spine with terminal corneous scale. Ventromesial border ornamented with one proximal tubercle, one median tubercle and one distal tubercle with one terminal corneous scale each (Fig. 2C, 6A). Minor chelipeds (right) similar to major chelipeds except as noted hereafter (Fig. 2D, 5B, 6B): Propodus: palmar crest rectangular to subdisciform. Merus: ventromesial edge with four tubercles decreasing in size proximally. Second, third and fourth pereiopods morphologically similar; general surface of dactylus, propodus and carpus with longitudinal lines of short setae and scales; dorsal margin of merus and ischium with long tufts setae; ventral margin of ischium with tufts of setae. Pleopods 2–5 absent. Anterolateral angle of second abdominal epimeron unarmed, with small setae (Fig. 2E, 6C). Anterior margin of second abdominal epimeron slightly concave. Uropods wide (WU/HWT = 1.18). Telson divided by longitudinal suture (Fig. 6D). Variations. Anterolateral angle of the carapace projected with a conical spine, protruding anteriorly, may just reach basal margin of the cornea. Of the 20 paratypes analyzed, the spine in 13 individuals is longer, extending beyond the basal margin of the cornea. The shape of the cardiac area may vary in some specimens, being trapezoidal (n = 15) or subrectangular (n = 5). The third thoracic sternite may vary from abrupt (n = 13) to tapered (n = 7). Uropods may vary between narrow (n = 9) and wide (n = 11). Biology. Unknown. Etymology. The specific epithet “okora”, from the indigenous Kaingang language “ȍkor” means “pine cone seed in the water”, refers Pinhão City where the type-locality is located. It is a noun in apposition. Molecular data. A total of 511 bp of COI were analyzed. No insertions, deletions or stop-codons were detected, indicating that all amplified regions correspond to a functional portion of the COI gene. The genetic distance between Aegla okora n. sp. and the other species included in the analysis ranged from 0.017 to 0.041 (Tab. 2). Aegla parana e A. schmitti presented the smallest genetic distance from A. okora n. sp., with a value of 0.017 for both. On the other hand, A. meloi was most divergent from A. okora n. sp., with a value of 0.041. The intra-populational distance ranged from 0.000 in A. parva to 0.002 in A. okora n. sp. However, A. parana and A. schmitti showed an intraspecific variation of up to 0.044 and 0.024, respectively (Tab. 2). The GMYC analysis suggests the presence of seven independent strains within the analyzed samples. All sequences of Aegla okora n. sp. were grouped in a single clade, indicating a single species. On the other hand, the disjunct distribution of the sequences of two species analyzed (A. parana and A. schmitti) suggests merophyletic clusters (Fig. 7).
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17. Decapoda Latreille 1802
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Páez, Fernanda Polli, Marçal, Ingrid Costa, Souza-Shibatta, Lenice, Gregati, Rafael Augusto, Sofia, Silvia Helena, and Teixeira, Gustavo Monteiro
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Arthropoda ,Decapoda ,Animalia ,Biodiversity ,Malacostraca ,Taxonomy - Abstract
Decapoda Latreille, 1802 Anomura H. Milne Edwards, 1832, Published as part of P��ez, Fernanda Polli, Mar��al, Ingrid Costa, Souza-Shibatta, Lenice, Gregati, Rafael Augusto, Sofia, Silvia Helena & Teixeira, Gustavo Monteiro, 2018, A new species of Aegla Leach, 1820 (Crustacea, Anomura) from the Igua��u River basin, Brazil, pp. 335-346 in Zootaxa 4527 (3) on page 338, DOI: 10.11646/zootaxa.4527.3.3, http://zenodo.org/record/2612284
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18. Aegla okora P��ez & Mar��al & Souza-Shibatta & Gregati & Sofia & Teixeira 2018, n. sp
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P��ez, Fernanda Polli, Mar��al, Ingrid Costa, Souza-Shibatta, Lenice, Gregati, Rafael Augusto, Sofia, Silvia Helena, and Teixeira, Gustavo Monteiro
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Arthropoda ,Decapoda ,Animalia ,Aeglidae ,Biodiversity ,Malacostraca ,Aegla ,Taxonomy ,Aegla okora - Abstract
Aegla okora P��ez & Teixeira n. sp. (Figs 2, 3, 4, 5, 6,) Type-material. Holotype: Male (CLE 21.3 mm), Brazil, Paran��, Pinh��o, Igua��u River basin, Tapera River, 25��41���39.51���S, 51��40���13.23���W, G.M. Teixeira, F.P. Paez and R.A. Gregati coll., February 2018 (MZUEL 250). Paratypes: 10 males (CLE 10.4 ��23.0 mm) and 10 females (CLE 13.0��18.0 mm), same data as holotype (MZUEL 251, genetic voucher: Bold Systems access AEGBR001-18, AEGBR002-18, AEGBR003-18, AEGBR004-18). Type-locality. Tapera River, city of Pinh��o, Paran��, Brazil. Geographical distribution. Known only from the type-locality, despite searching in five nearby streams within a radius of the 32 km. Diagnosis. Triangular rostrum with narrow base. Subrostral process developed, anteriorly oriented at a 45�� with the rostrum. Epigastric prominences and protogastric lobes pronounced, with scales and small setae. Anterolateral spine reaching basal margin of cornea. Branchial region swollen. Areola trapezoidal. Cardiac area trapezoidal. Proximal dorsal margin of movable finger of cheliped without lobe. Palmar crest of major cheliped rectangular. Anterolateral angle of second abdominal epimeron unarmed, with setae. Ventromesial border of ischium of the cheliped ornate with three tubercles, one proximal, one median and one distal. Uropodal (endopods) wide. Description of male holotype. Carapace convex, branchial region swollen. Rostrum triangular, base narrow (RBW/LMR = 0.87), extending beyond distal apex of compound eyes, with scales on lateral margins. Rostral carina beginning at level of protogastric lobes, with two parallel rows of scales becoming one row on distal third near apex (Fig. 2A, 3, 4A). Subrostral process developed forming angle of 45�� (Fig. 4B). Eyestalk and cornea well developed. Orbital and extra-orbital sinuses deep. Orbital sinus with scales. Orbital spines developed, rounded. Anterolateral spines with corneous scales on lateral margin of carapace, reaching basal margin of cornea (Fig. 4A). Epigastric prominences pronounced, with scales and short setae. Protogastric lobes pronounced, with scales. Gastric area prominently inflated in relation to hepatic lobe and rostrum in lateral view. Demarcation between hepatic lobes well defined. Lateral margins of first hepatic lobe with corneous scale, second and third hepatic lobes with sparse scales. Cervical groove U-shaped (Fig. 4C). Transverse dorsal linea slightly sinuous throughout its extension, sinuosity more pronounced in mesial section. Areola trapezoidal (APM/AAD = 2.5). Cardiac area trapezoidal (TDL/PMC = 1.53) (Fig. 4C). Epibranchial area with spine or well developed scales on apex. Lateral margin of anterior branchial area with distal spine, setae and scales, posterior area with setae and scales. Anteromesial region of third thoracic sternite abrupt, with scattered setae on surface. Fourth thoracic sternite elevated in median region with setae, anterolateral angles well developed with spines (Fig. 2B, 4D). Chelipeds unequal in size (Figs 2A, 3). Major cheliped (left) (Fig. 5A). Dactylus: dorsal margin and outer surface granulate and ornamented with short scales. Pre-dactylar lobe absent. Proximal lobe on dorsal margin absent. Cutting margin with lobular basal tooth well developed proximally, with flattened corneous scales, followed by row of wide corneous scales up to distal end. Propodus: outer surface granulate. Palmar crest rectangular with outer surface excavated, margin with scales. Cutting margin of fixed finger with flattened corneous scales over its entire surface, with lobular basal tooth well developed proximally and acuminate corneous scale on distal end. Scattered tufts of long setae over inner surface, and alongside inner and outer surfaces next to cutting margin. Scattered scales and scales clustered into groups of 2 or 3 on inner surface. Carpus: dorsal margin with two tubercles proximally, two median spines with terminal corneous scale, one tubercle, internally displaced from the margin, distally, with terminal corneous scale, and sub-terminal lobe well defined, pointed, with corneous scales and setae apically. Inner surface with three tubercles with terminal corneous scale and setae. Outer surface with carpal ridge elevated along entire length, with scales clustered into groups of 3 ��� 5. Merus: dorsal margin with one tubercle. Dorsolateral edge with row of corneous scales and tubercles with corneous scales on distal third. Ventromesial edge with five tubercles decreasing in size proximally. Ventrolateral border with two tubercles distally, followed by row of scales clustered into groups of 2 ��� 3. Ischium: dorsolateral edge with distal spine with terminal corneous scale. Ventromesial border ornamented with one proximal tubercle, one median tubercle and one distal tubercle with one terminal corneous scale each (Fig. 2C, 6A). Minor chelipeds (right) similar to major chelipeds except as noted hereafter (Fig. 2D, 5B, 6B): Propodus: palmar crest rectangular to subdisciform. Merus: ventromesial edge with four tubercles decreasing in size proximally. Second, third and fourth pereiopods morphologically similar; general surface of dactylus, propodus and carpus with longitudinal lines of short setae and scales; dorsal margin of merus and ischium with long tufts setae; ventral margin of ischium with tufts of setae. Pleopods 2���5 absent. Anterolateral angle of second abdominal epimeron unarmed, with small setae (Fig. 2E, 6C). Anterior margin of second abdominal epimeron slightly concave. Uropods wide (WU/HWT = 1.18). Telson divided by longitudinal suture (Fig. 6D). Variations. Anterolateral angle of the carapace projected with a conical spine, protruding anteriorly, may just reach basal margin of the cornea. Of the 20 paratypes analyzed, the spine in 13 individuals is longer, extending beyond the basal margin of the cornea. The shape of the cardiac area may vary in some specimens, being trapezoidal (n = 15) or subrectangular (n = 5). The third thoracic sternite may vary from abrupt (n = 13) to tapered (n = 7). Uropods may vary between narrow (n = 9) and wide (n = 11). Biology. Unknown. Etymology. The specific epithet ���okora���, from the indigenous Kaingang language �����kor��� means ���pine cone seed in the water���, refers Pinh��o City where the type-locality is located. It is a noun in apposition. Molecular data. A total of 511 bp of COI were analyzed. No insertions, deletions or stop-codons were detected, indicating that all amplified regions correspond to a functional portion of the COI gene. The genetic distance between Aegla okora n. sp. and the other species included in the analysis ranged from 0.017 to 0.041 (Tab. 2). Aegla parana e A. schmitti presented the smallest genetic distance from A. okora n. sp., with a value of 0.017 for both. On the other hand, A. meloi was most divergent from A. okora n. sp., with a value of 0.041. The intra-populational distance ranged from 0.000 in A. parva to 0.002 in A. okora n. sp. However, A. parana and A. schmitti showed an intraspecific variation of up to 0.044 and 0.024, respectively (Tab. 2). The GMYC analysis suggests the presence of seven independent strains within the analyzed samples. All sequences of Aegla okora n. sp. were grouped in a single clade, indicating a single species. On the other hand, the disjunct distribution of the sequences of two species analyzed (A. parana and A. schmitti) suggests merophyletic clusters (Fig. 7)., Published as part of P��ez, Fernanda Polli, Mar��al, Ingrid Costa, Souza-Shibatta, Lenice, Gregati, Rafael Augusto, Sofia, Silvia Helena & Teixeira, Gustavo Monteiro, 2018, A new species of Aegla Leach, 1820 (Crustacea, Anomura) from the Igua��u River basin, Brazil, pp. 335-346 in Zootaxa 4527 (3) on pages 338-342, DOI: 10.11646/zootaxa.4527.3.3, http://zenodo.org/record/2612284
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19. Prediction of meat quality traits in Nelore cattle by near-infrared reflectance spectroscopy
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Magalhães, Ana Fabrícia Braga [UNESP], Teixeira, Gustavo Henrique de Almeida [UNESP], Ríos, Ana Cristina Herrera [UNESP], Silva, Danielly Beraldo dos Santos [UNESP], Mota, Lúcio Flávio Macedo [UNESP], Muniz, Maria Malane Magalhães [UNESP], de Morais, Camilo de Lelis Medeiros, de Lima, Kássio Michell Gomes, Júnior, Luis Carlos Cunha [UNESP], Baldi, Fernando [UNESP], Carvalheiro, Roberto [UNESP], de Oliveira, Henrique Nunes [UNESP], Chardulo, Luis Artur Loyola [UNESP], de Albuquerque, Lucia Galvão [UNESP], Universidade Estadual Paulista (Unesp), Federal University of Rio Grande do Norte, and University of Central Lancashire
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Preprocessing techniques ,Shear force ,Marbling ,Meat color - Abstract
Made available in DSpace on 2019-10-06T16:52:33Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-09-29 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) The main definition for meat quality should include factors that affect consumer appreciation of the product. Physical laboratory analyses are necessary to identify factors that affect meat quality and specific equipment is used for this purpose, which is expensive and destructive, and the analyses are usually time consuming. An alternative method to performing several beef analyses is near-infrared reflectance spectroscopy (NIRS), which permits to reduce costs and to obtain faster, simpler, and nondestructive measurements. The objective of this study was to evaluate the feasibility of NIRS to predict shear force [Warner-Bratzler shear force (WBSF)], marbling, and color (*a = redness; b* = yellowness; and L* = lightness) in meat samples of uncastrated male Nelore cattle, that were approximately 2-yr-old. Samples of longissimus thoracis (n = 644) were collected and spectra were obtained prior to meat quality analysis. Multivariate calibration was performed by partial least squares regression. Several preprocessing techniques were evaluated alone and in combination: raw data, reduction of spectral range, multiplicative scatter correction, and 1st derivative. Accuracies of the calibration models were evaluated using the root mean square error of calibration (RMSEC), root mean square error of prediction (RMSEP), coefficient of determination in the calibration (R2C), and prediction (R2P) groups. Among the different preprocessing techniques, the reduction of spectral range provided the best prediction accuracy for all traits. The NIRS showed a better performance to predict WBSF (RMSEP = 1.42 kg, R2P = 0.40) and b* color (RMSEP = 1.21, R2P = 0.44), while its ability to accurately predict L* (RMSEP = 1.98, R2P = 0.16) and a* (RMSEP = 1.42, R2P = 0.17) was limited. NIRS was unsuitable to predict subjective meat quality traits such as marbling in Nelore cattle. Department of Animal Science School of Agricultural and Veterinarian Sciences São Paulo State University (Unesp) Institute of Chemistry Biological Chemistry and Chemometric Federal University of Rio Grande do Norte School of Pharmacy and Biomedical Sciences University of Central Lancashire Department of Animal Nutrition and Improvement College of Veterinary and Animal Science São Paulo State University (Unesp) Department of Animal Science School of Agricultural and Veterinarian Sciences São Paulo State University (Unesp) Department of Animal Nutrition and Improvement College of Veterinary and Animal Science São Paulo State University (Unesp)
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20. Stratiodrilus haswelli Harrison 1928
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Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Stratiodrilus haswelli ,Eunicida ,Stratiodrilus ,Annelida ,Animalia ,Polychaeta ,Biodiversity ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus haswelli Harrison, 1928 Type-locality: Unknown, not provided in the original description. Host and locality records: Astacoides madagascariensis (Milne Edwards & Audouin) (locality not provided) (Harrison 1928). Distribution: Madagascar., Published as part of Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro & Aguiar, Aline, 2018, Checklist of species of Stratiodrilus Haswell, 1900 (Annelida: Histriobdellidae), and new host records from Southern Brazil, pp. 412-422 in Zootaxa 4399 (3) on page 418, DOI: 10.11646/zootaxa.4399.3.10, http://zenodo.org/record/1206638, {"references":["Harrison, L. (1928) On the genus Stratiodrilus (Archiannelida: Histriobdellidae), with a description of a new species from Madagascar. Records of the Australian Museum, 16, 116 - 122. https: // doi. org / 10.3853 / j. 0067 - 1975.16.1928.783"]}
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21. Stratiodrilus vilae Amato 2001
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Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Annelida ,Animalia ,Polychaeta ,Biodiversity ,Stratiodrilus vilae ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus vilae Amato, 2001 Type-locality: Municipality of Taquara, State of Rio Grande do Sul, Brazil. Host and locality records: Parastacus brasiliensis (von Martens) ���Tributary of the Mineiro creek, Taquara (RS) (Amato 2001); unidentified creek of Mariana Pimentel (RS) (Amato 2001). Parastacus defossus Faxon��� Swampy area in Mariana Pimentel (RS) (Amato 2001). Distribution: Brazil., Published as part of Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro & Aguiar, Aline, 2018, Checklist of species of Stratiodrilus Haswell, 1900 (Annelida: Histriobdellidae), and new host records from Southern Brazil, pp. 412-422 in Zootaxa 4399 (3) on page 419, DOI: 10.11646/zootaxa.4399.3.10, http://zenodo.org/record/1206638, {"references":["Amato, J. F. R. (2001) A new species of Stratiodrilus (Polychaeta, Histriobdellidae) from freshwater crayfishes of southern Brazil. Iheringia, Serie Zoologia, 90, 37 - 44. https: // doi. org / 10.1590 / S 0073 - 47212001000100004"]}
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22. Stratiodrilus circensis Steiner & Amaral 1999
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Rosa, Jheimison Junior Da Silva, Marçal, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Annelida ,Stratiodrilus circensis ,Animalia ,Polychaeta ,Biodiversity ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus circensis Steiner & Amaral, 1999 Type-locality: Piraquara River, Municipality of Piraquara, State of Paraná, Brazil. Host and locality records: Aegla abtao Schmitt—Toltén River (CHI) (Steiner & Amaral 1999). Aegla bahamondei Jara—Toltén River (CHI) (Steiner & Amaral 1999). Aegla castro Schmitt—Couro stream, Tibagi River Basin (PR) (Present study). Aegla laevis (Latreille) —Riñihue Lake (CHI) (Steiner & Amaral 1999); Negro River and lakes in Parque Nacional Nahuel Huapí (ARG) (Steiner & Amaral 1999). Aegla lata Bond-Buckup & Buckup—Bule stream, a tributary of the Apertados River, Tibagi River Basin (PR) (Present study). Aegla leptodactyla Buckup & Rossi—Divisa River, a tributary of the Pelotas River, municipality of São José dos Ausentes (RS) (Daudt & Amato 2007). Aegla neuquensis neuquensis (Schmitt) — Chico River (TUC) (Steiner & Amaral 1999). Aegla parana Schmitt—Pinhão River, Iguaçu River Basin (PR) (Present study). Aegla schmitti Hobbs III—Carvalho River, a tributary of Piraquara River, Parque Nacional Guaricana (PR) (Daudt & Amato 2007). Aegla sp.—Riñihue Lake (CHI) (Steiner & Amaral 1999). Aegla sp.— Piraquara River (PR) (Steiner & Amaral 1999). Aegla sp.—Lageadão river, Ivaí river Basin (PR) (Present study). Unspecified species of Aeglidae and Parastacidae—from Petorca to Chiloé (CHI) (Steiner & Amaral 1999). Distribution: Argentina, Brazil, and Chile.
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23. Stratiodrilus arreliai Amaral & Morgado 1997
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Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Annelida ,Animalia ,Polychaeta ,Biodiversity ,Stratiodrilus arreliai ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus arreliai Amaral & Morgado, 1997 Type-locality: Peroba Cave, Municipality of S��o Pedro, State of S��o Paulo, Brazil. Host and locality records: Aegla perobae Hebling & Rodrigues���Peroba Cave, municipality of S��o Pedro (SP) (Amaral & Morgado 1997). Aegla sp.���Creeks near Jaragu�� Peak, municipality of S��o Paulo (SP) (Amaral & Morgado 1997). Distribution: Brazil., Published as part of Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro & Aguiar, Aline, 2018, Checklist of species of Stratiodrilus Haswell, 1900 (Annelida: Histriobdellidae), and new host records from Southern Brazil, pp. 412-422 in Zootaxa 4399 (3) on page 417, DOI: 10.11646/zootaxa.4399.3.10, http://zenodo.org/record/1206638, {"references":["Amaral, A. C. Z. & Morgado, E. H. (1997) Stratiodrilus (Annelida: Polychaeta: Histriobdellidae) associated with a freshwater decapod, with the description of a new species. Proceedings of the Biological Society of Washington, 110, 471 - 475."]}
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24. Stratiodrilus platensis Cordero 1927
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Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Annelida ,Animalia ,Stratiodrilus platensis ,Polychaeta ,Biodiversity ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus platensis Cordero, 1927 Type-locality: Probably Sol��s Chico and Miguelete streams, Departamento de Canelones, Uruguay. Host and locality records: Aegla laevis (Latreille) ���Sol��s Chico and Miguelete streams (CNL) (Cordero 1927). Samastacus spinifrons (Philippi) ���Chile (locality not provided) (Rudolph 2002). Aegla sp.���Lakes of Parque Nacional Nahuel Huap�� (ARG) (Dioni 1972). Parastacus sp.���Lakes of Parque Nacional Nahuel Huap�� (ARG) (Dioni 1972). Trichodactylus sp.���Creeks near Canan��ia (SP), Southeast Brazil (Steiner & Amaral 1999). Distribution: Argentina, Brazil, Chile, and Uruguay., Published as part of Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro & Aguiar, Aline, 2018, Checklist of species of Stratiodrilus Haswell, 1900 (Annelida: Histriobdellidae), and new host records from Southern Brazil, pp. 412-422 in Zootaxa 4399 (3) on page 418, DOI: 10.11646/zootaxa.4399.3.10, http://zenodo.org/record/1206638, {"references":["Cordero, B. H. (1927) Un nuevo arquianelido, Stratiodrilus platensis sp. n. que habita sobre Aegla laevis laevis (Latreille). Physis, 7, 574 - 578.","Dioni, W. (1972) Didymorchis, Temnocephala (Platyhelmintha) y Stratiodrilus (Annelida) vermes epizoicos sobre Aegla y Parastacus (Crustacea: Decapoda) de Lagos Andino Patagonicos. Notas taxonomicas e biogeograficas. Acta Zoologica Lilloana, 29, 167 - 179."]}
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25. Stratiodrilus pugnaxi Vila & Bahamonde 1985
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Rosa, Jheimison Junior Da Silva, Marçal, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Annelida ,Stratiodrilus pugnaxi ,Animalia ,Polychaeta ,Biodiversity ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus pugnaxi Vila & Bahamonde, 1985 Type-locality: Reumén, Valdivia, Chile. Host and locality records: Parastacus pugnax (Poeppig) —Reumén (VAL) (Vila & Bahamonde 1985). Parastacus sp.—Andalién River, Chaimávida (CON) (Moyano et al. 1993). Unspecified species of Aeglidae and Parastacidae—from Petorca to Chiloé (CHI) (Steiner & Amaral 1999). Distribution: Chile.
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- 2018
- Full Text
- View/download PDF
26. Stratiodrilus robustus Steiner & Amaral 1999
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Rosa, Jheimison Junior Da Silva, Marçal, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Stratiodrilus robustus ,Annelida ,Animalia ,Polychaeta ,Biodiversity ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus robustus Steiner & Amaral, 1999 Type-locality: Ribeira Valley, State of São Paulo, Brazil. Host and locality records: Trichodactylus sp.—Streams near Ribeira Valley (SP) (Steiner & Amaral 1999). Distribution: Brazil.
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- 2018
- Full Text
- View/download PDF
27. Stratiodrilus tasmanicus Haswell 1900
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Rosa, Jheimison Junior Da Silva, Marçal, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Annelida ,Animalia ,Polychaeta ,Biodiversity ,Stratiodrilus tasmanicus ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus tasmanicus Haswell, 1900 Type-locality: Hobart, Tasmania, Australia. Host and locality records: Astacopsis franklinii (Grey) ���Hobart (TAS) (Haswell 1900). Astacopsis franklinii var. tasmanicus Erickson���Hobart (TAS) (Haswell 1900). Distribution: Australia., Published as part of Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro & Aguiar, Aline, 2018, Checklist of species of Stratiodrilus Haswell, 1900 (Annelida: Histriobdellidae), and new host records from Southern Brazil, pp. 412-422 in Zootaxa 4399 (3) on page 418, DOI: 10.11646/zootaxa.4399.3.10, http://zenodo.org/record/1206638, {"references":["Haswell, W. A. (1900) On a new Histriobdellid. Quarterly Journal of Microscopical Science, 43, 299 - 335."]}
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- 2018
- Full Text
- View/download PDF
28. Stratiodrilus robustus Steiner & Amaral 1999
- Author
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Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Stratiodrilus robustus ,Annelida ,Animalia ,Polychaeta ,Biodiversity ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus robustus Steiner & Amaral, 1999 Type-locality: Ribeira Valley, State of S��o Paulo, Brazil. Host and locality records: Trichodactylus sp.���Streams near Ribeira Valley (SP) (Steiner & Amaral 1999). Distribution: Brazil., Published as part of Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro & Aguiar, Aline, 2018, Checklist of species of Stratiodrilus Haswell, 1900 (Annelida: Histriobdellidae), and new host records from Southern Brazil, pp. 412-422 in Zootaxa 4399 (3) on page 418, DOI: 10.11646/zootaxa.4399.3.10, http://zenodo.org/record/1206638
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- 2018
- Full Text
- View/download PDF
29. Stratiodrilus novaehollandiae Haswell 1913
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Rosa, Jheimison Junior Da Silva, Marçal, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Stratiodrilus novaehollandiae ,Eunicida ,Stratiodrilus ,Annelida ,Animalia ,Polychaeta ,Biodiversity ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus novaehollandiae Haswell, 1913 Type-locality: Probably Blue Mountains, New South Wales, Australia. Host and locality records: Astacopsis serratus (Shaw) ���Blue Mountains (NSW); Murrumbidgee River, Murray River System (NSW) (Haswell 1913). Cherax dispar Riek���Gap Creek, Mount Coottha (QLD) (Cannon & Jennings 1987). Cherax punctatus Clark���Gap Creek, Mount Coottha (QLD) (Cannon & Jennings 1987). Distribution: Australia., Published as part of Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro & Aguiar, Aline, 2018, Checklist of species of Stratiodrilus Haswell, 1900 (Annelida: Histriobdellidae), and new host records from Southern Brazil, pp. 412-422 in Zootaxa 4399 (3) on page 418, DOI: 10.11646/zootaxa.4399.3.10, http://zenodo.org/record/1206638, {"references":["Haswell, W. A. (1913) Notes on the Histriobdellidae. Quarterly Journal of Microscopical Science, 59, 197 - 230.","Cannon, L. R. G. & Jennings, J. B. (1987) Occurence and nutritional relationships of four ectosymbiotes of the freshwater crayfishes Cherax dispar Riek and Cherax punctatus Clark (Crustacea: Decapoda) in Queensland. Australian Journal of Marine and Freshwater Research, 38, 419 - 427. https: // doi. org / 10.1071 / MF 9870419"]}
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- 2018
- Full Text
- View/download PDF
30. Stratiodrilus pugnaxi Vila & Bahamonde 1985
- Author
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Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Annelida ,Stratiodrilus pugnaxi ,Animalia ,Polychaeta ,Biodiversity ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus pugnaxi Vila & Bahamonde, 1985 Type-locality: Reum��n, Valdivia, Chile. Host and locality records: Parastacus pugnax (Poeppig) ���Reum��n (VAL) (Vila & Bahamonde 1985). Parastacus sp.���Andali��n River, Chaim��vida (CON) (Moyano et al. 1993). Unspecified species of Aeglidae and Parastacidae���from Petorca to Chilo�� (CHI) (Steiner & Amaral 1999). Distribution: Chile., Published as part of Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro & Aguiar, Aline, 2018, Checklist of species of Stratiodrilus Haswell, 1900 (Annelida: Histriobdellidae), and new host records from Southern Brazil, pp. 412-422 in Zootaxa 4399 (3) on page 418, DOI: 10.11646/zootaxa.4399.3.10, http://zenodo.org/record/1206638
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- 2018
- Full Text
- View/download PDF
31. Stratiodrilus aeglaphilus Vila & Bahamonde 1985
- Author
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Rosa, Jheimison Junior Da Silva, Marçal, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Stratiodrilus aeglaphilus ,Annelida ,Animalia ,Polychaeta ,Biodiversity ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus aeglaphilus Vila & Bahamonde, 1985 Type-locality: Ma��po River, Talagante area, Central Chile, Chile. Host and locality records: Aegla laevis (Latreille) ���Ma��po River, Talagante area (CNC) (Vila & Bahamonde 1985); Aguas Claras stream (CNC) (Vila & Bahamonde 1985; Pardo et al. 2008). Aegla laevis laevis (Latreille) ��� Pe��aflor tributary, Ma��po River (CNC) (Vila & Bahamonde 1985). Aegla laevis talcahuano Schmitt������Estero��� Bellavista between Lirqu��n and Tom�� (CON) (Moyano et al. 1993). Unspecified species of Aeglidae and Parastacidae���from Petorca to Chilo�� (CHI) (Steiner & Amaral 1999). Distribution: Chile., Published as part of Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro & Aguiar, Aline, 2018, Checklist of species of Stratiodrilus Haswell, 1900 (Annelida: Histriobdellidae), and new host records from Southern Brazil, pp. 412-422 in Zootaxa 4399 (3) on page 417, DOI: 10.11646/zootaxa.4399.3.10, http://zenodo.org/record/1206638
- Published
- 2018
- Full Text
- View/download PDF
32. Stratiodrilus circensis Steiner & Amaral 1999
- Author
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Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Annelida ,Stratiodrilus circensis ,Animalia ,Polychaeta ,Biodiversity ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus circensis Steiner & Amaral, 1999 Type-locality: Piraquara River, Municipality of Piraquara, State of Paran��, Brazil. Host and locality records: Aegla abtao Schmitt���Tolt��n River (CHI) (Steiner & Amaral 1999). Aegla bahamondei Jara���Tolt��n River (CHI) (Steiner & Amaral 1999). Aegla castro Schmitt���Couro stream, Tibagi River Basin (PR) (Present study). Aegla laevis (Latreille) ���Ri��ihue Lake (CHI) (Steiner & Amaral 1999); Negro River and lakes in Parque Nacional Nahuel Huap�� (ARG) (Steiner & Amaral 1999). Aegla lata Bond-Buckup & Buckup���Bule stream, a tributary of the Apertados River, Tibagi River Basin (PR) (Present study). Aegla leptodactyla Buckup & Rossi���Divisa River, a tributary of the Pelotas River, municipality of S��o Jos�� dos Ausentes (RS) (Daudt & Amato 2007). Aegla neuquensis neuquensis (Schmitt) ��� Chico River (TUC) (Steiner & Amaral 1999). Aegla parana Schmitt���Pinh��o River, Igua��u River Basin (PR) (Present study). Aegla schmitti Hobbs III���Carvalho River, a tributary of Piraquara River, Parque Nacional Guaricana (PR) (Daudt & Amato 2007). Aegla sp.���Ri��ihue Lake (CHI) (Steiner & Amaral 1999). Aegla sp.��� Piraquara River (PR) (Steiner & Amaral 1999). Aegla sp.���Lagead��o river, Iva�� river Basin (PR) (Present study). Unspecified species of Aeglidae and Parastacidae���from Petorca to Chilo�� (CHI) (Steiner & Amaral 1999). Distribution: Argentina, Brazil, and Chile., Published as part of Rosa, Jheimison Junior Da Silva, Mar��al, Ingrid Costa, Teixeira, Gustavo Monteiro & Aguiar, Aline, 2018, Checklist of species of Stratiodrilus Haswell, 1900 (Annelida: Histriobdellidae), and new host records from Southern Brazil, pp. 412-422 in Zootaxa 4399 (3) on page 417, DOI: 10.11646/zootaxa.4399.3.10, http://zenodo.org/record/1206638, {"references":["Daudt, L. C. C. & Amato, J. F. R. (2007) Morphological variation of Stratiodrilus circensis (Polychaeta, Histriobdellidae) from a new host, Aegla leptodactyla (Crustacea, Anomura, Aeglidae) with identification of its type host species. Zootaxa, 1450, 57 - 62."]}
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- 2018
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- View/download PDF
33. Stratiodrilus arreliai Amaral & Morgado 1997
- Author
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Rosa, Jheimison Junior Da Silva, Marçal, Ingrid Costa, Teixeira, Gustavo Monteiro, and Aguiar, Aline
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Eunicida ,Stratiodrilus ,Annelida ,Animalia ,Polychaeta ,Biodiversity ,Stratiodrilus arreliai ,Histriobdellidae ,Taxonomy - Abstract
Stratiodrilus arreliai Amaral & Morgado, 1997 Type-locality: Peroba Cave, Municipality of São Pedro, State of São Paulo, Brazil. Host and locality records: Aegla perobae Hebling & Rodrigues—Peroba Cave, municipality of São Pedro (SP) (Amaral & Morgado 1997). Aegla sp.—Creeks near Jaraguá Peak, municipality of São Paulo (SP) (Amaral & Morgado 1997). Distribution: Brazil.
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- 2018
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34. Robótica Assistiva: Estudo de uma interface humanoide baseada no projeto open source InMoov para interação com deficientes visuais em locais públicos
- Author
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Teixeira, Gustavo and Roque, Alexandre
- Published
- 2018
- Full Text
- View/download PDF
35. Estudo da transferência do metal de adição no processo GMAW por filmagem de alta velocidade e aquisição de sinais elétricos
- Author
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Teixeira, Gustavo Simões and Mazzaferro, Jose Antonio Esmerio
- Subjects
Metal Transfer Modes ,Electrical Signals Acquisition ,GMAW Process ,Welding Parameters ,Soldagem a arco elétrico ,Processamento de imagens ,High Speed Imaging - Abstract
O modo de transferência do metal de adição no processo de soldagem GMAW (Gas Metal Arc Welding) tem um importante papel na estabilidade do arco elétrico, na quantidade de gases absorvida pelo metal fundido na poça de fusão, na determinação da possibilidade de aplicação em certas posições de soldagem e influencia no nível de respingos gerados. O objetivo deste trabalho consistiu em obter imagens da transferência do metal até a poça de fusão, para mapear as regiões de transferência e suas fronteiras. Além disso, sinais elétricos de corrente de soldagem e tensão de arco foram adquiridos e comparados com as imagens geradas para confirmar os resultados. As imagens de alta velocidade serviram para identificar os modos de transferência do metal. Neste trabalho, uma câmera de alta velocidade foi utilizada para obter imagens dos arcos elétricos gerados por arames-eletrodos ER70S-6 com três diferentes diâmetros (0,8 1,0 e 1,2 mm) no processo GMAW, empregando diferentes gases (Ar e CO2) e misturas gasosas (Ar + 10% CO2, Ar + 25% CO2, Ar + 2% O2) como gás de proteção. Os modos de transferência do metal puderam ser observados em taxas de 5000 e 8000 quadros por segundo. Os valores médios dos sinais elétricos dos parâmetros de soldagem adquiridos foram representados em gráficos, onde se verificaram regiões pertencentes a cada modo de transferência. Além dos modos de transferência por curtocircuito, globular e aerossol, foram detectados modos de transferência intermitentes do metal. Weld metal transfer modes in GMAW (Gas Metal Arc Welding) process have an important role in electric arc stability, in the amount of absorbed gases by the melted metal, allow outof- position welding and influence in sparkles generation. The objective of the present work is to obtain images of the metal transfer to the weld pool, in order to better characterize the transfer modes boundaries. Besides, electric signals of welding current and voltage were acquired and compared with the generated images to confirm the results. High speed imaging helps to identify the weld metal transfer mode. In this work, a high speed camera was used to get images and movies of welding arcs generated by three different AWS ER70S-6 wire diameters (0,8 1,0 and 1,2 mm). Also, different shielding gases and mixtures were tested (Ar, Ar + 2% O2, Ar + 10% CO2, Ar + 25% CO2 and CO2). Metal transfer modes could be observed at a frame rates of 5000 and 8000 fps. Mean values of the welding parameters acquired electrical signals were plotted, where metal transfer regions were found, belonging for each transfer mode. Besides short-circuit, globular and spray transfer modes, interchangeable metal transfer modes were detected.
- Published
- 2018
36. Desenvolvimento do Framework para a Sincronização dos Movimentos da Cabeça do InMoov
- Author
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Teixeira, Gustavo
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- 2018
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- View/download PDF
37. Estruturação de um Framework para o projeto InMoov em prol do desenvolvimento de aplicações de IA e TA
- Author
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Teixeira, Gustavo and Roque, Alexandre
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- 2018
- Full Text
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38. Population structure of the swimming crab Achelous spinicarpus (Crustacea, Portunoidea) in São Paulo northern coast, Brazil
- Author
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da Silva, Thiago Elias [UNESP], Taddei, Fabiano Gazzi, Bertini, Giovana [UNESP], Andrade, Luciana Segura, Teixeira, Gustavo Monteiro, Fransozo, Adilson [UNESP], Ecologia e Cultivo de Crustáceos, Universidade Estadual Paulista (UNESP), Centro de Estudos Superiores de Parintins, Universidade Federal do Triângulo Mineiro, and Universidade Estadual de Londrina (UEL)
- Subjects
Bycatch ,Brachyura ,Decapoda ,Size distribution ,Sex-ratio - Abstract
Made available in DSpace on 2022-04-29T08:14:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-09-01 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) The swimming crab Achelous spinicarpus is commonly captured as a “by catch” of the shrimp fishery. This study evaluated some aspects of the population structure of A. spinicarpus, such as sex-ratio and size classes’ frequency distribution. A shrimp trawler equipped with double-rig nets was used to capture the swimming crabs at Ubatuba and Caraguatatuba areas, northern coast of São Paulo state, Brazil. A total of 1,057 individuals were collected in Ubatuba, including 598 males (525 juveniles and 73 adults) and 459 females (379 juveniles and 80 adults, including 15 ovigerous crabs). In Caraguatatuba 5,112 individuals were collected, of which 3,138 males (2,638 juveniles and 500 adults) and 1,974 females (1,746 juveniles and 228 adults, including 29 ovigerous crabs). The sex-ratio favors the number of males in both regions, probably because females have the habit of occupying deeper regions. The size classes’ frequency distribution shows polymodality for both sexes, except for males in Ubatuba. This is the result of some age groups among the juveniles, which migrate to shallower areas, being affected by the fishing activity. Adults have the habit of staying in deeper areas characterized by colder waters. Núcleo de Estudos em Biologia Ecologia e Cultivo de Crustáceos Universidade Estadual Paulista “Júlio de Mesquita Filho” Instituto de Biociências de Botucatu Departamento de Zoologia, Distrito de Rubião Júnior, s/n Universidade do Estado do Amazonas Laboratório de Estudos de Crustáceos Amazônicos Centro de Estudos Superiores de Parintins, Estrada Odovaldo Novo, km 1 Universidade Estadual Paulista “Júlio de Mesquita Filho”, Campus de Registro, Av. Nelson Brihi Badur, 430 Universidade Federal do Triângulo Mineiro, Campus de Iturama, Av. Rio Paranaíba, 1295, Centro Universidade Estadual de Londrina Departamento de Biologia Animal e Vegetal, Rodovia Celso Garcia Cid, km 380, s/n Universidade Estadual Paulista “Júlio de Mesquita Filho” Instituto de Biociências de Botucatu Departamento de Zoologia, Distrito de Rubião Júnior, s/n Universidade Estadual Paulista “Júlio de Mesquita Filho”, Campus de Registro, Av. Nelson Brihi Badur, 430 FAPESP: 1998/07090-3
- Published
- 2017
39. Zoneamento geoambiental da sub-bacia hidrográfica do Rio Mandu, sul de Minas Gerais
- Author
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TEIXEIRA, Gustavo Costa, MINCATO, Ronaldo Luiz, SANTOS, Walbert Júnior Reis dos, and SANTOS, Breno Régis
- Subjects
Análise de Sistemas ,Política Ambiental ,CIENCIAS BIOLOGICAS ,Geoprocessamento - Abstract
O processo de urbanização acelerado e de concentração de pessoas e atividades econômicas em um mesmo local ocasiona pressões sobre os ambientes e, como consequência altera e impacta de forma deletéria bacias hidrográficas. Portanto, o desenvolvimento sustentável é um grande desafio, e é primordial para melhorar a qualidade de vida e do ambiente. Neste cenário, foi elaborado o Zoneamento Geoambiental da Sub-Bacia Hidrográfica do Rio Mandu, sul de Minas Gerais, que cobre parte dos municípios de Borda da Mata, Estiva, Ouro Fino e Pouso Alegre. O trabalho foi feito a partir da concepção de Geoecologia das Paisagens, que é baseada no conceito de geossistemas, que analisa a paisagem como um todo, considerando as relações entre natureza, economia, sociedade e cultura, visando representar a interação da natureza com o homem. Neste modelo foram utilizadas ferramentas de sistema de informação geográfica. Os produtos cartográficos elaborados podem contribuir para o desenvolvimento de novas pesquisas na área e também fornecer subsídios para a definição de políticas públicas e para tomada de decisões relativas à solução e/ou mitigação dos problemas ambientais. A Sub-bacia Hidrográfica do Rio Mandu apresenta 57% de áreas estáveis, considerando as estáveis e medianamente estáveis e 43% de áreas instáveis. Portanto, o Zoneamento Geoambiental é uma ferramenta importante para definição de medidas mitigadoras visando para a melhoria da qualidade de vida e manutenção da estabilidade ambiental. The process of accelerated urbanization and concentration of people and economic activities in one place cause pressure on the environment and, as a consequence, change and impact of deleterious form watershed, Therefore, sustainable development is a big challenge, and it is essential to improve the quality of life and the environment. In this scenario, it was produced the Geoenvironmental Zoning of the river Mandu watershed, South of Minas Gerais state, which covers part of the municipalities of Borda da Mata, Estiva, Ouro Fino and Pouso Alegre. The work was done from the concept of Geoecology of Landscapes, based on the concept of geosystems, which analyzes the landscape as a whole, considering the relationships among nature, economy, society and culture, aiming to represent the interaction between nature and humans. In this model were used tools of geographic information system. The cartographic products elaborated can contribute to the development of new research in the area and also provide subsidies for the definition of public policies and decision-making concerning to the solution and/or mitigation of environmental problems. The river Mandu watershed presents 57% stable areas, considering the stables and moderately stables, and 43% of unstable areas. Therefore, Geoenvironmental Zoning is an important tool for defining mitigating measures, aiming to improve the quality of life and maintaining the environmental stability.
- Published
- 2016
40. A proteção dos povos indígenas e tradicionais em casos de temática ambiental: uma ponte ao fortalecimento do Sistema Interamericano de Direitos Humanos
- Author
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Teixeira, Gustavo de Faria Moreira
- Abstract
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- Published
- 2015
41. Environmental factors influencing the distribution of three species within the genus Persephona Leach, 1817 (Crustacea, Decapoda, Leucosiidae) in two regions on the northern coast of São Paulo State, Brazil
- Author
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Pereira, Rafaela T, Teixeira, Gustavo M, Bertini, Giovana, Lima, Paloma A. de, Alencar, Carlos E.R.D., and Fransozo, Vivian
- Subjects
Persephona mediterranea ,sedimento ,sediment ,distribución ecológica ,Brachyura ,Persephona punctata ,ecological distribution ,Persephona lichtensteinii ,Brazil - Abstract
Patterns of spatio-temporal distribution of Brachyura are determined by the interaction among life history traits, inter and intraspecific relationships, as well as by the variation of abiotic factors. This study aimed to characterize patterns of spatio-temporal distribution of Persephona lichtensteinii, Persephona mediterranea and Persephona punctata in two regions of the northern coast of São Paulo State, southeastern region of Brazil. Collections were done monthly from July 2001 to June 2003 in Caraguatatuba and Ubatuba, using a shrimp fishery boat equipped with double-rig nets. The patterns of species distribution were tested by means of redundancy analysis (RDA) and generalized linear mixed models (GLMM) in relation to the recorded environmental factors (BT: bottom temperature, BS: bottom salinity, OM: organic matter and granulometry (Phi)). The most influent environmental factor over the species distribution was the Phi, and the ascendant order of influence was P. lichtensteinii, P. punctata and P. mediterranea. The greater abundance of P. mediterranea showed a conservative pattern of distribution for the genus in the sampled region. The greater occurrence of P. punctata and P. lichtensteinii, in distinct transects than those occupied by P. mediterranea, seems to be a strategy to avoid competition among congeneric species, which is related to the substratum specificity. Los patrones de distribución espacial-temporal de los Brachyura son determinados por la interacción entre aspectos de la historia de vida, relaciones inter e intraespecíficas, así como por las variaciones de los factores abióticos. El objetivo de este estudio fue caracterizar los patrones de distribución espacio-temporal de Persephona lichtensteinii, Persephona mediterranea y Persephona punctata en dos regiones de la costa norte del estado de São Paulo, Brasil. Se realizaron muestreos mensuales, de julio de 2001 a junio de 2003 en las regiones de Caraguatuba y Ubatuba, utilizando un barco camaronero equipado con redes de arrastre de tipo "double-rig". Los patrones de distribución de las especies fueron testeados por medio de una análisis de redundancia (RDA) y de modelos lineales generalizados mixtos (GLMM) por su asociación con los factores ambientales registrados (TF: temperatura de fondo, SF: salinidad de fondo, MO: materia orgánica y Phi). El factor ambiental más influyente sobre distribución de las especies fue el tamaño medio de grano (Phi). Siendo el grado de orden de influencia ascendente a partir de P. lichtensteinii, P. punctata y P. mediterranea. La mayor abundancia de P. mediterranea sobre P. punctata y P. lichtensteinii mostró un patrón de distribución conservativo de género para la región muestreada. Esta variación de abundancia puede estar relacionada con el límite de distribución de las especies. La mayor presencia de P. punctata y P. lichtensteinii en puntos distintos de los ocupados por P. mediterranea parece ser una estrategia para evitar la competencia entre especies congenéricas, relacionada con la especificidad del sustrato.
- Published
- 2014
42. O direito internacional do meio ambiente e o greening da Convenção Americana sobre Direitos Humanos
- Author
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Mazzuoli, Valerio de Oliveira and Teixeira, Gustavo de Faria Moreira
- Subjects
Defesa pela via reflexa ,Inter-American System ,Sistema interamericano ,Human rights ,The reflex pathway defense ,Meio ambiente ,Environment ,American Convention on Human Rights ,Convenção Americana sobre Direitos Humanos ,Direitos humanos ,Greening - Abstract
Este artigo tem como objetivo buscar uma breve reflexão sobre as inter-relações entre a proteção internacional do meio ambiente e dos direitos humanos e analisar as contribuições do chamado greening ou "esverdeamento" do sistema interamericano de direitos humanos - fenômeno que ocorre quando se protege direitos de cunho ambiental por meio de dispositivos da Convenção Americana sobre Direito Humanos, que são voltados em princípio à garantia de direitos civis e políticos. This article aims to seek a brief reflection on the interrelationships between the international environmental protection and the human rights issues and to analyze the contributions of the process of greening the Inter-American human rights system - a phenomenon that occurs when environmental issues are protected by the American Convention on Human Rights devices, which are in principle focused on the guarantee of civil and political rights.
- Published
- 2013
43. Aos amigos: pão; aos inimigos; pau:uma análise da relação político-polêmica dos jornais Gazeta do Norte e Folha do Norte de Montes Claros-MG em 1930/Gustavo Leal Teixeira ; orientador: Paulo Henrique Aguiar Mendes
- Author
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Teixeira, Gustavo Leal, Mendes, Paulo Henrique Aguiar, and Pontifícia Universidade Católica de Minas Gerais.Programa de Pós-Graduação em Letras Instituição
- Subjects
Imprensa e política ,070.1(815.1) ,Jornais-História-Montes Claros (MG) - Abstract
Tese (doutorado) - Pontifícia Universidade Católica de Minas Gerais, Programa de Pós-Graduação em Letras. Bibliografia: f. 138-142 Resumo: O ano de1930 foi de grande importância para a política da cidade de Montes Claros-MG, pois no mês de fevereiro desse ano foram recebidos na cidade a tiros o presidente do Banco do Brasil, Carvalho de Brito e o vice-presidente da república Mello Vianna, tendo sido mortos em praça pública alguns integrantes de suas comitivas. Os tiros foram dados por um grupo de amigos pistoleiros que protegiam a casa de João Alves, o político mais importante da cidade, médico e provedor da Santa Casa de Caridade. A midiatização desse evento político feita pelos jornais Gazeta do Norte e Folha do Norte e a descrição da cena política local e nacional ilustra vividamente a relação de disputa e ódio entre os dois grupos políticos antagônicos que dividiam a cidade. Os donos da Gazeta do Norte apoiavam a Mello Vianna para presidente do estado e Júlio Prestes para a presidência da republica, já os Liberais de Alves e da Folha do Norte defendiam as candidaturas de Olegário Maciel para o estado e Getúlio Vargas para a república. Sendo a relação polêmica dos dois jornais objeto desta pesquisa, buscou-se analisar discursivamente alguns de seus fundamentos a partir de preceitos teóricos da Análise do Discurso de tradição francesa. Após análise discursiva da função do autor, da representação dos políticos em cada jornal e do funcionamento dispositivo da relação comunicacional dos jornais chegou-se às seguintes constatações: 1. nesses textos a assinatura do autor de uma matéria é, de certa forma, um aspecto secundário em relação ao nome do jornal, ou, é o nome do jornal que determina a referência ideológica dos textos e não seus autores; 2. a divisão polêmica do espaço semântico dos jornais aparta amigos e inimigos políticos; 3. as réplicas, como dispositivos de guerra, têm a função dupla de qualificação do nós e desqualificação deles, estando estes sempre em relação de proximidade nos enunciados. Ao analisar-se a relação polêmica da Gazeta do Norte e Folha do Norte revelou-se uma forma particular de contar histórias, uma que produz sentidos pela ausência de lógica, ou, por uma lógica de guerra, sendo esse tipo fazer jornalístico reflexo das práticas de uma sociedade específica em um tempo específico que produz um sujeito também específico. Abstract: 1930 was a year of great importance for the politics of the town of Montes Claros-MG. In the current February the president of Banco do Brasil Carvalho de Brito and the republic vice-president Mello Vianna were involved in a shooting that took place in front of João Alves house, who was then the citys most important politician, doctor and hospital benefactor. This event reflected the citys historical political division in two political groups, at that moment, the Conservatives who supported Mello Vianna and Julio Prestes and Alves Liberals that supported Olegário Maciel and Getúlio Vargas. The broadcasting of this shooting and the description of the local and national political scenes illustrates vividly the relationship of dispute and hate between the two political groups that tore the town apart. With the two newspapers polemical-political relationship this thesis the object of study, we tried to analyze discursively some of its fundaments according to the theoretical precepts of the French discourse analysis. After analyzing the texts author function, the representation of politicians in each newspaper and the functioning of their communication dispositive, the following conclusions have arisen: 1. The authors signatures in those texts are less relevant than the newspapers name, or its the name of the newspapers that determine the ideological reference of texts, not its authors; 2. The semantic divide found in the newspapers separates political friends and enemies; 3. The replica, as a war dispositive, have the double function of qualifying us and disqualifying them, being those two groups in a close position in the statements. By analyzing the polemical relationship between Gazeta do Norte and Folha do Norte a particular way of telling stories was revealed, a way that only makes sense by the absence of logics, or, by war logics being this kind journalism a reflex of social practices of a specific time that builds an specific type of subject. O CD-ROM que acompanha a obra encontra-se no setor de Coleções Especiais / Audiovisual da Biblioteca
- Published
- 2013
44. Analysis of the welding parameters influence over the weld bead geometry by fractional factorial design of experiment
- Author
-
Teixeira, Gustavo Simões
- Subjects
Processo MAG ,Weld bead ,GMAW ,Processo TIG ,Cordão de solda ,Soldagem TIG–MAG em Tandem ,GTAW–GMAW Welding in Tandem ,GTAW - Abstract
O objetivo deste trabalho é analisar a influência dos parâmetros de um sistema mecanizado de soldagem, composto por uma tocha TIG e outra MAG em tandem, sobre a geometria do cordão de solda. Os resultados foram comparados com soldas realizadas pelos processos TIG e MAG operando isoladamente. A execução dos cordões ocorreu por simples deposição sobre chapas de aço ao carbono AISI 1010 com espessura de 6,3 mm, onde um dispositivo de soldagem mecanizado permitiu a variação da velocidade de soldagem, distância da ponta do eletrodo TIG e a distância entre tochas. Os parâmetros analisados foram: corrente de soldagem e distância da ponta do eletrodo a peça no processo TIG, velocidade de alimentação de arame e tensão do arco no processo MAG, velocidade de soldagem e distância entre as tochas. Os ajustes de corrente e tensão de soldagem foram feitos em duas fontes de potência separadas, do tipo transformador-retificador, uma para cada tocha, devido as suas diferentes curvas características. Através do projeto de experimento fatorial fracionado, avaliaram-se os efeitos de dois níveis, um mínimo e outro máximo, mais quatro réplicas dos seus níveis intermediários, resultando em 20 experimentos para cada processo de soldagem. Os resultados finais indicam uma diferença ao utilizar uma tocha TIG para pré-aquecer o material base, mas, estatisticamente, essa diferença não é significativa entre os processos TIG e MAG em tandem e MAG convencional para a faixa de parâmetros de soldagem adotada. This study aimed to investigate the influence of process parameters of a mechanized welding system, comprising a GTAW torch and a GMAW torch in tandem configuration, on the geometry of the resulting weld bead, performed using GTAW and GMAW welding processes in tandem. The results were compared with weld beads performed by conventional GTAW and GMAW welding processes. The tests were conducted performing bead-on-plate deposits over AISI 1010 6.3 mm thick carbon steel plates. GTAW current, GMAW wire feed speed, GTAW arc length, GMAW voltage, welding speed and the distance between GTAW and GMAW torches were the analyzed parameters. The weld beads were performed in a mechanized welding bench, which allows the variation of speed, distance between torches and arc length of the GTAW torch. Current and voltage adjustments were made in two separate transformer-rectifier power sources, one for each welding torch, due to their different characteristic curves of each process. Through the fractional factorial design of experiment, the effects of two different levels for each parameter were analyzed, plus four replicates of the average values of these levels, resulting in 20 experiments for each welding process. The results show a difference on the weld bead geometry using a GTAW torch to preheat the base metal, however, this difference is not statistically significant between GTAW and GMAW welding process in tandem and GMAW welding process for the adopted range of welding parameters.
- Published
- 2012
45. O direito internacional do meio ambiente e o greening da Convenção Americana sobre da Convenção Americana sobre Direitos Humanos
- Author
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Mazzuoli, Valerio de Oliveira and Teixeira, Gustavo de Faria Moreira
- Subjects
UNCED ,Direitos primordiais do homem ,Conferência de Estocolmo (1972) ,Estocolmo, Suécia) [Conferência das Nações Unidas sobre Meio Ambiente (1972] ,Direito ambiental, internacionalização ,Rio de Janeiro, Brazil) [United Nations Conference on Environment and Development (1992] ,Direito público internacional ,Direito das gentes ,Direitos fundamentais do homem ,Degradação ambiental, prevenção ,Proteção ambiental, tratado ,Estocolmo, Suécia) [Conferência das Nações Unidas sobre o Meio Humano (1972] ,Direito internacional público, modernização ,Rio de Janeiro, RJ) [Conferência das Nações Unidas sobre o Meio Ambiente e Desenvolvimento (1992] ,CNUMAD ,Rio 92 ,Rio de Janeiro, RJ) [Conferência das Nações Unidas sobre Meio Ambiente e Desenvolvimento (1992] ,Direito ecológico ,Direitos humanos (direito internacional público), aspectos ambientais ,ECO 92 ,Recursos naturais, proteção ,Meio ambiente, proteção ,Estocolmo, Suécia) [Conferência das Nações Unidas sobre o Meio Ambiente (1972] ,Rio de Janeiro, RJ) [Conferência Mundial sobre Meio Ambiente e Desenvolvimento (1992] - Abstract
Submitted by Gabriel Silveira Marques null (gmarques@stj.jus.br) on 2014-10-14T18:36:41Z No. of bitstreams: 1 direito_internacional_meio_mazzuoli.pdf: 1482487 bytes, checksum: d0ea12e2903e9ce39b662e64c4c0d3b7 (MD5) Made available in DSpace on 2014-10-14T18:36:42Z (GMT). No. of bitstreams: 1 direito_internacional_meio_mazzuoli.pdf: 1482487 bytes, checksum: d0ea12e2903e9ce39b662e64c4c0d3b7 (MD5) Previous issue date: 2012
- Published
- 2012
46. Ocorrência de anormalidades morfológicas externas em caranguejos marinhos (Decapoda, Brachyura) no litoral norte do Estado de São Paulo - doi: 10.4025/actascibiolsci.v34i1.8618
- Author
-
Fransozo, Adilson, Teixeira, Gustavo Monteiro, Gomes, Rafael de Rocco, Silva, José Carlos, and Bolla Jr, Eduardo Antonio
- Subjects
Arenaeus cribrarius ,Morfologia dos grupos recentes ,Callinectes ornatus ,crabs abnormalities ,anormalidades em caranguejos ,Leurocyclus tuberculosus ,chelipeds and carapace ,quelípodos e carapaça - Abstract
Deformities and abnormalities in crustaceans have been associated to genetic problem, which occurred during molt process, damage caused by ectobionts, predators or environmental stress caused by chemical wastes. Some crab specimens collected in the São Paulo littoral were found having body abnormalities. They belong to the following crab species: Callinectes ornatus (Ordway, 1863), Arenaeus cribrarius (Lamarck, 1818) and Leurocyclus tuberculosus (H. Milne Edwards; Lucas, 1843). Samplings were performed by trawling during July 2008, August and October 2009 at the Ubatuba region, São Paulo State, Brazil. Body abnormalities were verified in the cheliped dactyl (C. ornatus an adult male), carapace deformities (A. cribrarius an adult male) and abdominal alterations (C. ornatus an adult female; L. tuberculosus an adult male and an ovigerous female). The record and analysis of such occurrences can help in the distinction of natural or human impact caused alterations. In this way, the occurrence study of this kind of body alterations could provide tools in order to control unprotected environmental areas, as well as bring subsides to understand the unusual variations during the ontogeny of important species in the benthic community Callinectes ornatus (Ordway, 1863), Arenaeus cribrarius (Lamarck, 1818) e Leurocyclus tuberculosus (H. Milne Edwards & Lucas, 1843). As coletas foram realizadas por meio de arrastos camaroneiros em julho de 2008, agosto e outubro de 2009, na região de Ubatuba, Estado de São Paulo, Brasil. As anormalidades apresentadas no corpo dos caranguejos encontravam-se no dáctilo do quelípodo (C. ornatus macho adulto), defeitos na carapaça (A. cribrarius macho adulto) e alterações abdominais (C. ornatus fêmea adulta; L. tuberculosus macho adulto e fêmea ovígera). O registro de tais ocorrências pode servir na distinção de alterações causadas naturalmente ou por impacto humano, podendo fornecer ferramentas úteis no sentido de monitorar áreas ambientais não protegidas, bem como trazer subsídios ao entendimento de alterações não usuais ocorridas durante a ontogenia de espécies importantes para a comunidade bentônica
- Published
- 2011
47. Estudo da produtividade no processo de cristalização de ácido cítrico em leito vibrado
- Author
-
Teixeira, Gustavo Araújo, Finzer, José Roberto Delalibera, Silva, Marcelo Bacci da, and Barrozo, Marcos Antonio de Souza
- Subjects
Ácido cítrico ,Citric acid ,Fase densa ,ENGENHARIAS::ENGENHARIA QUIMICA [CNPQ] ,Cristalização ,Dense phase ,Leito vibrado ,Crystallization ,Vibrated bed - Abstract
Conselho Nacional de Desenvolvimento Científico e Tecnológico The aim of this work was study the phenomenological concepts, operational and, above all, mass productivity in the crystallization of citric acid in vibrated bed, using large population of seeds (dense phase). It was used a truncated conical stainless steel crystallizer, containing a mobile central axis with coupled perforated disks, transferring vibrational energy to the crystallization environment. It was conducted a representation of the crystallization suspension environment flow of crystalline particles that illustrated the process of bed fluidization. The solution initially saturated, to its saturate temperature, was taken to the crystallization temperature 55°C, becoming supersaturated, and seeded with commercial grainy citric acid crystals. It was used as statistic toll a central composite design to construct a representative model and influence verification of process significant variables: crystallization time, a degree of supersaturation and intensity of vibration. The response analyzed was the productivity (mass percentage increase) in crystallization process. Using the model obtained, it was calculated the maximum productivity condition in mass, which consisted a percentage increase in mass of 164.7%. This condition was posteriorly tested in the experimental unit resulting in an productivity of 187.7%. The crystallizers in series simulation occurred using commercial citric acid seeds with the same final diameter of the tests using the optimized conditions, keeping other variables constant, resulting in a mass percentage increase, for the second step, of 166.9%. These showed efficiency in obtaining crystals with larger end. Was performed to evaluate the secondary nucleation by capturing the image of crystals in crystallization trials, where was noticed the appearance of small polycrystalline structures in the crystalline surface of the crystals, caused by the high degree of supersaturation, or due to the systematic separation of these Este trabalho tem como objetivo o estudo de conceitos fenomenológicos, operacionais e, sobretudo, produtividade mássica, na cristalização de ácido cítrico em leito vibrado, utilizando grande população de sementes (fase densa). Foi utilizado um cristalizador tronco-cônico de aço inoxidável, contendo um eixo central móvel com discos perfurados acoplados, que transferiu energia vibracional ao meio de cristalização. Efetuou-se uma representação do escoamento da suspensão com as partículas cristalinas que ilustrou o processo de fluidização do leito. A solução inicialmente saturada, à respectiva temperatura de saturação, foi levada à temperatura de cristalização 55°C, tornando-se supersaturada, e semeada com cristais comerciais de ácido cítrico granular. Foi utilizado como ferramenta estatística um planejamento composto central para construção de um modelo representativo e na verificação da influência das variáveis significativas do processo: tempo de cristalização, concentração de supersaturação e intensidade de vibração. A resposta analisada foi a produtividade (aumento percentual de massa) no processo de cristalização. Através do modelo obtido, foi calculada a condição de máxima produtividade em termos mássicos, que consistiu em um aumento percentual mássico de 164,7%. Esta condição foi posteriormente testada na unidade experimental resultando em uma produtividade de 187,7%. A simulação de cristalizadores em série se deu com a utilização de sementes de ácido cítrico comercial com o mesmo diâmetro final dos testes utilizando a condição otimizada, mantendo-se as demais variáveis constantes, resultando em um aumento percentual mássico, para a segunda etapa de cristalização, de 166,9 %. Estes mostraram eficiência na obtenção de cristais com maior dimensão final. Foi realizada a avaliação da nucleação secundária através da captura de imagem dos cristais nos experimentos de cristalização, onde notou-se o aparecimento de pequenas estruturas policristalinas na superfície cristalina dos cristais, causados pelo alto grau de supersaturação, ou devido à sistemática de separação dos mesmos. Mestre em Engenharia Química
- Published
- 2011
48. Análise da influência dos parâmetros de soldagem sobre a geometria do cordão de solda depositado pelo processo de soldagem TIG - MAG em tandem
- Author
-
Teixeira, Gustavo Simões and Mazzaferro, Jose Antonio Esmerio
- Subjects
Soldagem MIG/MAG ,GTAW – GMAW welding in tandem ,Design of experiment ,Weld bead geometry ,Soldagem TIG ,GMAW ,GTAW - Abstract
O objetivo deste trabalho é analisar a influência dos parâmetros de um sistema mecanizado de soldagem, composto por uma tocha TIG e outra MAG em tandem, sobre a geometria do cordão de solda resultante. Os resultados obtidos foram comparados com soldas realizadas pelos processos TIG e MAG operando isoladamente. Os testes foram executados por meio de simples deposição de cordões sobre chapas de aço ao carbono AISI 1010 com espessura de 6,3 mm. Os parâmetros analisados foram: corrente de soldagem e distância da ponta do eletrodo até a peça no processo TIG, velocidade de alimentação de arame e tensão do arco no processo MAG, além de velocidade de soldagem e distância entre as tochas. Os cordões de solda foram executados em um dispositivo de soldagem mecanizado, que permite a variação da velocidade de soldagem, distância da ponta do eletrodo TIG e a distância entre as tochas. Os ajustes de corrente e tensão de soldagem foram feitos em duas fontes de potência separadas, ambas do tipo transformador-retificador, uma para cada tocha, devido às diferentes curvas características de cada processo. Através do projeto de experimento fatorial fracionado, foram avaliados os efeitos de dois níveis, um mínimo e outro máximo, mais quatro réplicas dos seus níveis intermediários, resultando em 20 experimentos para cada processo de soldagem. Os valores dos resultados finais indicam uma diferença ao utilizar uma tocha TIG para pré-aquecer o material base, porém, estatisticamente, essa diferença não é significativa entre os processos TIG e MAG em tandem e MAG convencional para a faixa de parâmetros de soldagem adotada. This study aims to investigate the influence of process parameters of a mechanized welding system, comprising a GTAW torch and a GMAW torch in tandem configuration, on the geometry of the resulting weld bead, performed using GTAW and GMAW welding processes in tandem. The results were compared with weld beads performed by conventional GTAW and GMAW welding processes. The tests were conducted performing bead-on-plate deposits over AISI 1010 6,3 mm thick carbon steel plates. GTAW current, GMAW wire feed speed, GTAW arc length, GMAW voltage, welding speed and the distance between GTAW and GMAW torches were the analyzed parameters. The weld beads were performed in a mechanized welding bench, which allows the variation of speed, distance between torches and arc length of the GTAW torch. Current and voltage adjustments were made in two separate transformer-rectifier power sources, one for each welding torch, due to their different characteristic curves of each process. Through the fractional factorial design of experiment, the effects of two different levels for each parameter were analyzed, plus four replicates of the average values of these levels, resulting in 20 experiments for each welding process. The results show a difference on the weld bead geometry using a GTAW torch to preheat the base metal, however, this difference is not statistically significant between GTAW and GMAW welding process in tandem and GMAW welding process for the adopted range of welding parameters.
- Published
- 2011
49. Dinâmica populacional de caranguejos marinhos (Crustacea, Decapoda, Brachyura) do sudeste do Brasil
- Author
-
Teixeira, Gustavo Monteiro [UNESP], Universidade Estadual Paulista (Unesp), and Fransozo, Adilson [UNESP]
- Subjects
Crustaceo ,Zoologia ,Brasil ,Reprodivtive period ,Caranguejo - Abstract
Made available in DSpace on 2014-06-11T19:35:42Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-09-01Bitstream added on 2014-06-13T18:47:05Z : No. of bitstreams: 1 teixeira_gm_dr_botib.pdf: 6199916 bytes, checksum: 0cf022593b9dbabdb5c6eeed7c7cd788 (MD5) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) A dinâmica populacional de Persephona lichtensteinii e de P. punctata foi investigada segundo os seguintes aspectos: estrutura populacional, proporção sexual, tamanho de início da maturidade sexual e período reprodutivo. Um total de 138 indivíduos de P. lichtensteinii e 343 indivíduos de P. punctata foi obtido em coletas mensais, de janeiro de 1998 até dezembro de 1999, na região de Ubatuba, litoral norte do Estado de São Paulo. Machos e fêmeas não apresentam diferenças significativas nos valores médios de LC, e os valores de LC50 (mm) foram semelhantes para os dois sexos, sendo 21,73mm (machos) e 21,93mm (fêmeas) para P. lichtensteinii e 25,2mm (machos) e 26,6mm (fêmeas) para P. punctata. Para ambas as espécies, machos e fêmeas ocorrem em proporções equivalentes em todas as análises (total de indivíduos, somente jovens e somente adultos). Períodos reprodutivos contínuos são sugeridos, embora o baixo número de indivíduos obtidos, especialmente para P. lichtensteinii, dificulte as análises. O padrão de distribuição das duas espécies é distinto, provavelmente devido a diferenças nas preferências em relação à composição granulométrica do sedimento, com P. punctata sendo mais abundante em transectos mais rasos (5m), enquanto P. lichtensteinii apresente maior abundância nos transectos de 10m. Apesar destas diferenças nos padrões de distribuição, as semelhanças dessas características populacionais confrontadas com as informações sobre P. mediterranea disponíveis na literatura, permitem-nos propor que tais características sejam conservativas para o gênero Persephona The population dynamics Persephona lichtensteinii and P. punctata was investigated according to the following aspects: population structure, sex ratio, size at onset of the sexual maturity and reproductive period. A total of 138 individuals of P. lichtensteinii and 343 individuals of P. punctata was found in monthly collections from January 1998 and December 1999 in Ubatuba, northern coast of São Paulo. Males and females did not show significant differences in mean CW, and the values of CW50 (mm) were similar for both the sexes, with 21.73mm (males) to 21.93mm (females) P. lichtensteinii and 25.2mm (males) and 26.6mm (females) P. punctata. For both species, males and females occur in equal proportions in all analysis (total individuals, isolated youth and isolated adults). Continuous reproductive periods are suggested, although the low number of individuals, especially for P. lichtensteinii, make the analysis difficult, probably due to differences in preferences regarding the composition of the sediment grain size, with P. punctata being more abundant in shallower transects (5m), while P. lichtensteinii at higher abundance in transects of 10m deep. Despite of such differences in the distributional patterns of these two species, the similarities of population features, compared to the information available in the literature for P. mediterranea, allow us to propose that the characteristics are conservative for the genus Persephona
- Published
- 2010
50. Population features of the spider crab Acanthonyx scutiformis (Dana 1851) (Crustacea, Majoidea, Epialtidae) associated with rocky-shore algae from southeastern Brazil
- Author
-
Teixeira, Gustavo Monteiro [UNESP], Fransozo, Vivian [UNESP], Cobo, Valter José, Hiyodo, Célia Mary, Ecology and Culture, Universidade Estadual Paulista (UNESP), and Universidade de Taubaté
- Subjects
Spider crab ,Sexual maturity ,Growth ,Population structure ,Acanthonyx ,Sex ratio - Abstract
Made available in DSpace on 2022-04-28T21:02:06Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-12-01 Acanthonyx scutiformis, an endemic species in the Brazilian coast, is commonly found in intertidal rocky-shore algal communities. This study analyzes the population biology of A. scutiformis from Ubatuba region. A total of 371 specimens were collected over one year. Size range was 4.2-12.7 mm CW (carapace width) for females and 3.7-15.8 mm CW for males. Females predominated in intermediate size classes, whereas males prevailed in the largest ones. The estimated size when 50% crabs were mature was 10.7 mm CW for males and 8.9 mm CW for females. Sex ratio varied among the demographic groups. The processes that influence A. scutiformis population structure can be related to the different times males and females reach sexual maturity and probably to the distinct predation pressures on each sex during the adult phase. NEBECC Group of Studies on Crustacean Biology Ecology and Culture Departamento de Zoologia Instituto de Biociências Universidade Estadual Paulista, Caixa Postal 510, 18618-000 Botucatu, São Paulo Laboratório de Zoologia Departamento de Biologia Universidade de Taubaté, Praça Marcelino Monteiro 63, 12030-010, Taubaté, São Paulo Departamento de Zoologia Instituto de Biociências Universidade Estadual Paulista, Caixa Postal 510, 18618-000 Botucatu, São Paulo
- Published
- 2009
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