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103 results on '"Ravelli S"'

5. The vagina as source and target of androgens: implications for treatment of GSM/VVA, including DHEA.

Author

Cipriani, S., Maseroli, E., Ravelli, S. A., and Vignozzi, L.

Subjects
FEMALE reproductive organs, VAGINA, ANDROGENS, GENITALIA, DEHYDROEPIANDROSTERONE, GENITOURINARY diseases
Abstract

Copyright of Climacteric is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2023
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16. EVALUACIÓN NUTRICIONAL E INGESTA DE MACRONUTRIENTES DE TAEKWONDISTAS.

Author

Alva, L., Curvale Pautaso, V., Genuario, A., Schenone, A., and Ravelli, S.

Subjects
BODY composition, NUTRITIONAL status, FOOD chemistry, NUTRITIONAL assessment, ADULTS, AGE groups, MINORS
Abstract

Copyright of Revista Iberoamericana de Ciencias de la Actividad Física y el Deporte is the property of Revista Iberoamericana de Ciencias de la Actividad Física y el Deporte and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2021
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17. An Experimental Study of Flat Plate Film Cooling with Cylindrical Holes by Using PIV, HWA and PSP Techniques.

Author

Rouina, S., Ravelli, S., and Barigozzi, G.

Subjects
*PARTICLE image velocimetry, *PRESSURE-sensitive paint, *SURFACE plates, *WIND tunnels, *FLOW measurement, *FUSION reactor divertors
Abstract

An experimental study was conducted to investigate both the aerodynamic and the thermal behavior of film cooling jets exiting from three cylindrical holes on a flat plate. Measurements have been carried out in a low-speed wind tunnel, at low inlet turbulence intensity level, with blowing ratio (BR) varied in the range between 0.5 and 1.5. A high-resolution Particle Image Velocimetry (PIV) system was used to conduct detailed flow field measurements in the streamwise plane, while the Hot Wire Anemometry (HWA) technique provided measurements of velocity components in the vertical-lateral planes at two locations downstream of the holes. Concerning the thermal measurements, the binary pressure-sensitive paint (PSP) technique has been employed to map the adiabatic film cooling effectiveness (η) on the surface of interest, at density ratio of DR = 1 and 1.5, by using N2 and CO2 as coolant stream, respectively. 2-D flow field measurements in the streamwise plane have shown that the cooling jet stays attached to the flat plate surface at BR < 1. Conversely, jets lift-off at BR > 1. Thermal measurements at DR = 1 confirmed this behavior: at BR = 0.5, the highest levels of film cooling effectiveness are achieved immediately downstream of the hole whereas BR values of 1 and 1.5 have a detrimental impact on the thermal coverage. With a focus on the case at BR = 1, another set of experiments was conducted with CO2 as coolant to investigate the influence of DR on cooling efficiency, either at matched BR or momentum flux ratio (I). The latter was found to be the more appropriate parameter to scale cooling effectiveness results when comparing low and high DR cases. [ABSTRACT FROM AUTHOR]

Published
2019
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24. Biopsia mammaria stereotassica RM-guidata mediante sistema coassiale misto ferromagnetico-amagnetico con aghi da 12-18 Gauge: esperienza clinica e risultati a lungo termine

Author

Belloni, E, Panizza, P, Ravelli, S, De Cobelli, F, Gusmini, S, Losio, C, Sassi, I, Del Maschio, A., PERSEGHIN, GIANLUCA, Belloni, E, Panizza, P, Ravelli, S, De Cobelli, F, Gusmini, S, Losio, C, Sassi, I, Perseghin, G, and Del Maschio, A

Subjects
Breast magnetic resonance, Radiology, Nuclear Medicine and Imaging, Follow-up, Medicine (all), Breast lesion, Breast biopsy, MED/13 - ENDOCRINOLOGIA, Coaxial needle
Abstract

Purpose: This study investigated the clinical application of a magnetic-resonance (MR)-guided breast biopsy (MRBB) system consisting of a nonmagnetic coaxial needle and a ferromagnetic core biopsy needle. Materials and methods: MRBB was performed on 70 breast lesions. The biopsy device consisted of a nonmagnetic 14- to 16-gauge coaxial needle and a ferromagnetic 16- to 18-gauge biopsy needle. Results: Of the 70 lesions, 29 were malignant and 41 nonmalignant. All 29 malignant lesions underwent surgery and were confirmed as malignant at final histology. Of the 41 nonmalignant lesions, 35 underwent follow-up breast MR imaging (mean, 26±19 months), which demonstrated no lesions changes; six lesions underwent surgery because of poor radiological-pathological correlation; of these 6 lesions, 3 were nonmalignant, one was borderline (lobular carcinoma in situ) and two were malignant (well-differentiated tubular carcinoma and infiltrating ductal carcinoma). Sensitivity, specificity, positive and negative predictive values and diagnostic accuracy were, respectively, 93.5%, 100%, 100%, 95.1% and 97.1% if the lobular carcinoma in situ was considered a nonmalignant histological result, and 90.6%, 100%, 100%, 92.7% and 95.7% if the lobular carcinoma in situ was considered malignant. Conclusions: MRBB with a ferromagnetic-nonmagnetic coaxial system represented an easy way to perform a biopsy procedure and was easily applicable in the routine clinical setting. © 2013 Springer-Verlag

Published
2013

41. Solar hybrid combined cycle performance prediction: influence of GT model and spoor arrangement

Author

Barigozzi, G., Franchini, G., Perdichizzi, A., and Ravelli, S.

Subjects
Temperature -- Analysis, Gas-turbines -- Innovations, Power systems (Machinery) -- Analysis -- Thermal properties, Business, Engineering and manufacturing industries
Abstract

Power generation by Concentrated Solar Power systems is a way to reduce dependency on fossil fuels and at the same time to accomplish the international commitment of CO2 reduction. First [...]

Published
2012

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