285 results on '"DV'
Search Results
2. Role of Miro1 adaptor protein in mitochondrial mobility between cancer and stromal cells
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Novák Jaromír, Nahacka Zuzana, Oliveira Gabriela, Brisudova Petra, Dvorakova Sarka, Dalecka Marketa, Puttrich Verena, Grycova Lenka, Stepanek Ludek, Zobalova Renata, Terp Mikkel, Lansky Zdenek, Oliveira Paulo, Ditzel Henrik, Berridge Michael, Rohlena Jakub, and Neuzil Jiri
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horizontal mitochondrial transfer ,miro1 ,cancer ,Microbiology ,QR1-502 ,Physiology ,QP1-981 ,Zoology ,QL1-991 - Published
- 2024
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3. Microscopy to discern cells behaviour on different nano/microstructured calcium phosphates ceramics
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Filová Eva, Oliver-Urrutia Carolina, Hedvičáková Věra, Blahnová Veronika Hefka, Šebová Eva, Žižková Radmila, Dvořák Karel, Čelko Ladislav, and Montufar Edgar
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Microbiology ,QR1-502 ,Physiology ,QP1-981 ,Zoology ,QL1-991 - Published
- 2024
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4. Life-cycle analysis of cement mortars with ladle furnace steel slag
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Estokova Adriana, Vaclavik Vojtech, Junakova Natalia, Dvorsky Tomas, and Papesch Radek
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Engineering (General). Civil engineering (General) ,TA1-2040 - Abstract
The utilization of ladle slag holds potential for innovative advancements in concrete technology, contributing to the progression of environmentally sustainable and durable construction materials. This research explores the environmental impact of mortars incorporating treated ladle furnace steel slag at cement replacement ratios of 10%, 20%, and 30%. The ladle furnace steel slag was integrated into cement mortars of varying cement types. Life Cycle Assessment (LCA) was conducted using SimaPro software, version 9.3, employing ReCiPe and IPCC 2013 methodologies. The environmental impacts were assessed within the cradle-to-gate system boundaries, considering the grinding process of ladle furnace steel slag. The outcomes were expressed in terms of mid-point indicators. Across all cement types, a discernible reduction in the values of key environmental indicators was observed for the steel slag substitution samples compared to reference samples without cement substitution. Notably, the climate change indicator (GWP – global warming potential) exhibited a reduction of up to 54 g CO2eq per 1 kg of mortar. Grinding the slag to a higher fineness did not result in a significant escalation in the values of the monitored environmental indicators.
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- 2024
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5. Long-term mechanical properties of lime-pozzolan mortars: The role of amorphous Al2O3
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Vyšvařil Martin, Žižlavský Tomáš, Dvořák Karel, and Spychał Edyta
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Engineering (General). Civil engineering (General) ,TA1-2040 - Abstract
Today, lime-pozzolan mortars are being used in the repair of historic buildings, replacing the lime-cement mortars that were previously used in this practice, but were incompatible with historic mortars. It has been observed in laboratory research and also in practice that some lime-pozzolan mortars can lose strength over time. The cause of this behaviour is not fully understood, but the main reason seems to be the instability and breakdown of the aluminate phases. In this paper, the role of amorphous Al2O3 content in pozzolans on the long-term mechanical properties of lime-pozzolan mortars is studied. Lime-pozzolan mortars with 40% replacement of lime with pozzolans with different contents of amorphous Al2O3 (metakaolin, pumice, pozzolanic earth, trass, zeolite) were prepared and the changes in strength, porosity and mineralogical composition of the mortars (determined by XRD and TG/DTA) over time were monitored. Mortars containing pozzolans with a high content of amorphous Al2O3 (over 30% by weight) showed a dramatic decrease in strength, changes in porosity and a decrease in the content of monocarboaluminate (C4AcH11) with a simultaneous increase in the content of vaterite and aragonite. The negative effects of carbonation of the aluminate phases are particularly evident in pozzolans with a high content of amorphous Al2O3.
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- 2024
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6. Ecological and economic assessment of nuclear power as a low-carbon energy source
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Dvinin Dmitry, Davankov Aleksey, Malygin Nikita, and Sidelnikov Pavel
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Environmental sciences ,GE1-350 - Abstract
The research has carried out a multi-criteria assessment of nuclear power as a low-carbon energy source. The peculiarity of the research lies in the comparative analysis of nuclear power with both renewable energy sources and sources using fossil fuels with carbon dioxide capture technologies. The assessment uses three criteria: specific carbon dioxide emission, specific value of material consumption in MInumbers, and electrical power costs value in LCOE/LEC. The criteria make it possible to characterize nuclear power in a holistic way while comparing it with other sources of low-carbon energy in terms of reducing carbon dioxide emissions possibility, capital and operating costs for electrical power production, and minimizing overall negative impact on the transformation and violation of biosphere material and energy flows. The work reveals that the integrated ecological and economic efficiency of nuclear power is higher than that of gas and coal-fired power stations with carbon dioxide capture technologies, but it is lower than that of renewable energy sources. The reasons are the increased cost of nuclear power and its relatively high specific water consumption.
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- 2024
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7. Socio-economic aspects of municipal development with consideration to the urban environment quality index
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Dvoryadkina Elena, Ermakova Anna, and Istomina Natalia
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Environmental sciences ,GE1-350 - Abstract
The article examines the socio-economic aspects of the municipal development, taking into account the quality index of the urban environment. The authors identified problematic aspects of the municipality, and then determined the main directions that contribute to the development of comfortable life and the growth of population well-being. Thanks to these proposals, the municipality will be able to enter the ranking of cities in terms of living comfort.
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- 2024
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8. Sustainable agriculture and development of an agricultural municipality
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Dvoryadkina Elena, Ermakova Anna, and Istomina Natalia
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Environmental sciences ,GE1-350 - Abstract
The present paper discusses the major aspects for sustainable development of agricultural enterprises. Considering the current state and the trends in the agriculture and food production industry, the paper focuses on a small agricultural enterprise. The authors explore prospects for reasonable and productive agricultural land management and propose a way to enhance yields. The author’s proposal is expected to benefit both the agricultural enterprise and the municipal budget, as well as provide a competitive advantage to the municipal district.
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- 2024
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9. Landscape planning of the village school territory
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Orekhovskaya Alexandra, Dvoryashina Tatiana, Voinash Sergey, Zagidullin Ramil, and Latypova Elena
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Microbiology ,QR1-502 ,Physiology ,QP1-981 ,Zoology ,QL1-991 - Abstract
The article assessed the existing situation on the territory of the village school Yakovlevo, Belgorod region: geographical location, boundaries of the object, assortment of growing trees and shrubs. A center drawing was drawn up indicating the main objects. The main elements of landscape design have been developed: a sports ground, a playground, a school garden. All elements were executed in compliance with architectural and planning requirements for landscape planning of the territory. A lighting scheme for the school grounds has been developed and implemented.
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- 2024
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10. Integral assessment of low-carbon energy sources effectiveness based on multi-criteria analysis
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Dvinin Dmitry, Davankov Aleksey, Malygin Nikita, and Sidelnikov Pavel
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Environmental sciences ,GE1-350 - Abstract
The study applies the multi-criteria analysis of various low-carbon energy sources to assess their ecological and economical effectiveness. The work is specific by researching renewable energy sources as well as traditional ones which take hydrocarbon fuel by using innovative technologies of carbon dioxide capturing and its storage. The analysis applies three parameters: LCOE (Levelised Cost of Energy)/LEC (Levelized Energy Cost), specific value of carbon dioxide emission in electrical power generation and total MI (Material Input) - numbers. The study results in educing low-carbon energy sources which not only lead to the most reduction of carbon dioxide emission with least costs but also help reduce the general negative impact on the environment due to decreasing violence of biosphere material energy flows. The research states that wind power plants are the most effective, followed by solar and geothermal energy sources. Gas and coal-fired power stations, using technologies of carbon dioxide capturing, are less effective than renewable energy sources. Nevertheless, despite significant divergence in two out of three parameters, they have an identical summative assessment of efficiency because gas power stations have higher utilization costs than coal-fired power stations.
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- 2024
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11. Natural resource potential in the development strategy of the region
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Dvoryadkina Elena, Ermakova Anna, Kustysheva Irina, and Kryakhtunov Alexander
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Microbiology ,QR1-502 ,Physiology ,QP1-981 ,Zoology ,QL1-991 - Abstract
The article considers the natural resource potential of the Tyumen region. The main peat deposits were identified, their useful properties and the possibility of further application in various sectors of the economy were determined. Prospects and mechanisms of peat processing will have a positive impact on the balanced development of the territory.
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- 2023
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12. Impact investing as a tool for achieving the targets for sustainable development of the region
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Dvoryadkina Elena, Kvon Gulnara, and Pozdeeva Olga
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Environmental sciences ,GE1-350 - Abstract
The article focuses on the research of investment opportunities of the region in the context of implementing the sustainable development goals (SDGs). As applied to Russian conditions, achieving the targets of sustainable development requires the use of new innovative investment types as a driver of socio-economic development of the region. The role of such investments is impact investing, the main purpose of which is to overcome poverty, to solve social and environmental problems, to improve the life quality and standard of living, to increase business responsibility, to reduce social tension. Reasoning of the directions and amounts of impact investing in ensuring the SDGs achievement requires a preliminary analysis of the conditions prevailing in the region for their implementation on the basis of a number of indicators. The paper focuses on the social component of impact investing aimed at the development of the social sector of the region in the context of achieving the targets of the three sustainable development goals on the example of a specific region: SDGs 3,4 and 8. The object of research was the Sverdlovsk region, based on the dynamic indicators of which for the period 2012-2021 the rationale for the development of the region to achieve the selected sustainable development goals was carried out. The study concluded that the implementation of impact investing as a tool for achieving the sustainable development goals should be aimed at the development of healthcare, maintaining employment, overcoming gender inequality in the employment structure.
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- 2023
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13. Trends and directions of development of the municipal district
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Dvoryadkina Elena, Ermakova Anna, and Istomina Natalia
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Environmental sciences ,GE1-350 - Abstract
The article examines the current state and trends in the development of agricultural production on the example of a specific municipal area. The main directions and opportunities for further development were identified, and municipal support for the introduction of a new industry into production will allow implementing the import substitution policy that is in demand today, providing new jobs and thereby - own tax revenues of local budgets.
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- 2023
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14. Directions of realization of the economic potential of biotechnologies at the municipal level
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Dvoryadkina Elena, Ermakova Anna, and Istomina Natalia
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Microbiology ,QR1-502 ,Physiology ,QP1-981 ,Zoology ,QL1-991 - Abstract
The article examines the current state and trends of development of the municipal district due to the introduction of new biotechnology. The authors have identified the main measures contributing to the socio-economic development of this industry and improving the quality of services provided in the study area.
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- 2023
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15. Modeling the balanced development of the region in the transition to renewable energy and maintaining the carbon cycle in land use
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Dvinin Dmitry, Davankov Aleksey, Plaksina Anna, and Yusifov Elman
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Environmental sciences ,GE1-350 - Abstract
The article provides the author’s model for assessing the level of sustainability in the development of a region due to an increase in the share of alternative energy sources and on the premise of maintaining a carbon balance. It was taken into account that the possibility of maintaining the carbon balance in the region is greatly influenced by agricultural activities and landscape features of the region. Thus, in some regions it is necessary to allocate additional areas of ecosystems with a special nature management regime to maintain the carbon cycle. The model generated was tested on the example of the regions of the Ural Federal District of the Russian Federation. It has been established that carbon dioxide emission from anthropogenically disturbed territories is present in four regions of the district: Sverdlovsk (17.9 million tons), Chelyabinsk (45.04 million tons), Kurgan (40.9 million tons) and Tyumen (13.03 million tons) regions. Thus, even if the share of renewable energy in the energy balance increases to 37-93%, and the general balance is achieved, the carbon cycle is still disrupted. In order to preserve it, additional inclusion of up to 8.5-57.4% of the region territories into the special nature management regime is required.
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- 2023
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16. Analysis of dynamic processes in the impact system of drilling machines
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Dvornikov Leonid, Levacheva Darya, Ischenko Denis, and Makarov Aleksey
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Environmental sciences ,GE1-350 - Abstract
Modern drilling machines designed for the destruction of rocks have a diverse structure, various performance characteristics and in most cases a well-defined limited scope of application. The most common for the destruction of rocks of high strength are impact drilling machines. One of the most effective ways to increase the productivity of such machines is to find rational geometric parameters of colliding elements. The article proposes and substantiates a methodology for studying shock systems based on the application of the shock wave theory. According to the calculation results, the parameters and design solutions of the elements of drilling machines are given, the use of which will allow to increase productivity and reduce energy consumption for the destruction of rock.
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- 2023
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17. Holistic analysis of indoor environmental quality in refurbished school using HAIEQ methodology - Czech case study
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Kabele Karel, Dvořáková Pavla, and Veverková Zuzana
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Environmental sciences ,GE1-350 - Abstract
The subject of this paper is a detailed analysis and evaluation - audit of the quality of the indoor environment in the reference zone of a primary school building in the Czech Republic. The analysis and subsequent evaluation is performed by the certified CTU HAIEQ (Holistic Assesment of Indoor Environmental Quality) methodology, developed at the Department of Building and Construction Engineering of the Czech Technical University in Prague. The analysis is based on a detailed survey of the building, measured data of physical variables of the indoor environment and subjective assessment from the user's point of view. The evaluation of the quality of the environment is carried out in 8 categories - LS Location and location of the building in terms of external environment and social connections; STI Structural-technical design and interior of the evaluated zone; TCW Thermal comfort in cold season; TCS Thermal comfort in warm season; IAQ Air quality; LC Light environment; AC Acoustic environment and EC Electro-magnetic, -ionic -static fields. Each category has 5-8 criteria to be evaluated. The outcome of the indoor environment audit using the HAIEQ methodology is the identification of critical areas and the proposal of possible measures to improve the current situation. The implementation of the proposed measures must be carried out in accordance with applicable regulations and laws by authorized persons. The method used does not guarantee that all problem areas will be found using it and the preparer is not responsible for problems not found during the analysis of the building. The results of the measurement and evaluation methodology are not a substitute for an assessment by a sanitary service.
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- 2023
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18. Socio-ecological and economic balance of North Caucasus region
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Dvinin Dmitry, Davankov Aleksey, and Plaksina Anna
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Environmental sciences ,GE1-350 - Abstract
The article contains the results of the research on the possibility to achieve the socio-ecological and economic balance in the regions of the North Caucasus federal district of Russia in case of developing renewable source energy and maintaining the carbon cycle in landscapes. The balanced level is determined by the special indicator, the value of which depends on the ratio of the capacity of region’s technosphere to the assimilation potential of its ecosystems expressed in energy indicators. The evaluation also determines whether the carbon cycle of the regions is being maintained or violated in the process of agricultural activities. The findings show that the general value of indicator of the district balance is 8.81, which is considerably higher than one and signals about the imbalance. The socio-ecological and economic imbalance is a characteristic of all seven regions in the district. To achieve the balance the energy balance of each region needs to increase the share of renewable energy industry up to 85-94%, on average up to 89% in the district. The necessity to maintain the carbon cycle forces to provide 28380 sq. km of the territories of the North Caucasus federal district with the specific status. These territories are mainly steppe ecosystems and put together up to 16.6% of the whole district territory.
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- 2023
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19. Possibility of balanced development of the Volga Federal District of Russia while maintaining the carbon cycle and transition to renewable energy
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Dvinin Dmitry, Davankov Aleksey, and Plaksina Anna
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Environmental sciences ,GE1-350 - Abstract
The article provides an assessment of the possibility of a balanced development of the regions of the Volga Federal District of the Russian Federation due to an increase in the share of renewable energy in the regional energy balance and subject to the preservation of the carbon cycle. Particular attention was paid to agricultural areas, which, in a case of irrational nature management, can significantly disrupt the carbon cycle. Thanks to the use of a special indicator, it was found that the Volga Federal District is in an unbalanced state. It is possible to correct the situation by increasing the share of alternative energy to 52-96 per cent in regional energy balances (77 per cent on average in the district). In eleven regions of the District, there is carbon dioxide emission from anthropogenically disturbed territories, covered mainly by agricultural areas. In order to preserve the carbon cycle in the Volga Federal District, it is necessary to bring 136,200 sq. km of territory into a special nature management regime, mainly steppe ecosystems and pastures, which cover 10.9 per cent of the total area of the district.
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- 2023
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20. Implementation of an electrical network monitoring system based on a non-contact temperature sensor and a current sensor based on the Hall effect
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Burylov Dmitriy, Smirnov Vladimir, Dvoynikov Vladimir, and Shpenst Vadim
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Environmental sciences ,GE1-350 - Abstract
The safety of people and the environment is an important issue at any enterprise. One of the main threats in the production environment is the occurrence of fire and the failure of electrical equipment. Fire alarm systems provide immediate evacuation of people and fight the source of fire. The article describes implementation of an electrical circuit system based on a non-contact temperature sensor and a Hall effect current sensor, which is necessary for fire prevention. The experiment showed that the data obtained is sufficient for timely change of current level in the conductors and prevention of emergency situation. The article consists of an introduction, theoretical information about the temperature sensor and current sensor based on the Hall effect, description of Bluetooth Mesh network topology, development of a wireless network diagram for the electrical network monitoring system, conclusion.
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- 2023
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21. The influence of 3D-printing technological conditions on the performance properties of master models
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Dvoryankin A., Nefelov I., and Baurova N.
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Environmental sciences ,GE1-350 - Abstract
The influence of 3D-printing technological conditions on the performance properties of master models has been investigated. It is shown that strength properties of master models depend significantly on two parameters: layer thickness and percentage of filling. Recommendations onthe choice of 3D-printing conditions for manufacturing master models, as well as products based on master models, are presented.
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- 2023
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22. L’opposition -ci/-là/∅ avec le déterminant démonstratif dans le français oral informel
- Author
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Dvorak Jan
- Subjects
Social Sciences - Abstract
La présente étude s’enquiert de l’opposition structurelle, dans le français oral informel de nos jours, entre les formes du déterminant démonstratif CE suivies de la particule -ci, celles suivies de la particule -là et celles dépourvues de particule. L’étude se base sur des données de conversations du Corpus d’Etude pour le Français Contemporain ainsi que sur les résultats d’un questionnaire soumis à dix locuteurs natifs. Si elle valide les deux constats généralement connus que sont une relative rareté des formes pourvues d’une particule par comparaison avec les formes sans particule et l’éviction des formes en -ci au profit de celles en -là, cette étude propose aussi une réanalyse d’une majorité des occurrences en -là. En effet, la présence de -là au sein de ces occurrences n’est plus explicable en termes d’opposition de distance, mais en termes d’insistance sur la sémantique déictique du démonstratif. Une attention toute particulière est consacrée aux substantifs porteurs d’une sémantique temporelle. S’agissant de cette catégorie, l’analyse des données a abouti à une série de constats intéressants, dont notamment une affinité entre le substantif endophorique moment et la particule -là et celle entre le substantif endophorique fois et la particule -ci.
- Published
- 2022
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23. Optimization of the capital structure of an agricultural company in the Czech Republic
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Vrbka Jaromír, Kalinová Eva, and Dvořáková Zuzana
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optimal capital structure ,debt ,power regression ,cost of capital ,agriculture ,optimization ,Social Sciences - Abstract
The topic of optimizing capital structure is very important for a company to work efficiently and reliably. It is important for every company to optimize everything so that they have the highest possible efficiency. Entrepreneurs also try to make this optimization last them as long as possible. Therefore, the aim of this paper is to determine the optimal capital structure of an agricultural company operating in the Czech Republic. The base source of data is the closing data of individual agricultural companies from the Albertina database of Bisnode. More than 9,000 agricultural enterprises operating in the given sector of the national economy in the Czech Republic are recorded in this data set. The calculation of the WACC method and the level of debt of individual agricultural companies are used. Subsequently, the equation for calculating the cost of capital is determined using power regression. Here we also obtain the value of reliability, which in this particular case is not ideal, but still reasonable. A line chart is used to determine the optimal interval for the agricultural company. The optimal debt interval comes out to 20 to 25%, at which the cost of capital is declared to be from 22 to 24%. If agricultural companies had higher or lower debt ratios, it would be inefficient for the enterprise.
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- 2022
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24. Crossing Plasmopara viticola strains in controlled conditions to uncover the genomic bases of downy mildew resistance breakdown in grapevine
- Author
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Dvorak E., Mazet I., Couture C., Foulongne-Oriol M., and Delmotte F.
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Microbiology ,QR1-502 ,Physiology ,QP1-981 ,Zoology ,QL1-991 - Abstract
The biotrophic oomycete Plasmopara viticola is the causal agent of downy mildew, one of the major grapevine diseases. We report here a successful strategy to cross compatible strains of this pathogen and obtain a large viable progeny. We used this method to study the offspring between two P. viticola strains able to overcome two major grapevine resistance factors (Rpv3, Rpv10). Thanks to the genomic resources now available, we will genotype this progeny to build an unprecedented linkage map and uncover the genomic bases of grapevine resistance breakdown displayed by P. viticola virulent strains.
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- 2022
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25. Selection of the ERP System with Regard to the Global 4th Industrial Revolution
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Polivka Martin and Dvorakova Lilia
- Subjects
erp systems ,industry 4.0 ,information systems ,Social Sciences - Abstract
Research background: So-called Fourth industrial revolution, triggered by the massive development of information and communication technologies and leading to the new era of manufacturing and logistics known as Industry 4.0, is definitely an important topic across the global economy. Besides their other effects, technologies of the Industry 4.0 have a significant impact on the IT landscape of organizations, including the central part of this landscape – Enterprise Resource Planning (ERP) systems. It is, therefore, important for organizations to take this fact into measure when selecting a new ERP system. Purpose of the article: The aim of the presented research was to propose set of criteria, which could be used by the organization during the choice process of new ERP system in order to evaluate the readiness of every candidate for the challenges related to the Industry 4.0. Methods: Development of the criteria set was based on analysis and evaluation of two main areas – firstly, the content of the Industry 4.0 and its particular technologies, and secondly the tasks which should be performed by the modern ERP system. Requirements arising from these two areas were then merged together into one set of criteria. Findings & Value added: Result of the presented research is a comprehensive and easy-to-use set of criteria, which can be used as a decision-making support tool in the business practice.
- Published
- 2021
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26. Labor Economics and Career Development in the Context of Globalized World
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Dvorakova Zuzana
- Subjects
labor economics ,occupations ,career ,career development ,Social Sciences - Abstract
Research background: The paper uses labor economics and career theory to design an integrative approach to career research focusing on new occupations and career development. Purpose of the article: The purpose of this paper is to call for an integrative approach to career research aiming to characterize labor market trends and discuss perspectives on careers using highly skilled migrants from Central and Eastern Europe as a case. The paper discusses the specificity of career development in the context of the Industry 4.0. and an integrative approach vs. other approaches. Methods: The methodology insists on several ways that enable a triangular analysis. The research combines in-depth-analysis of bibliographic data in the Web of Science database, unstructured interviews with top managers/co-owners of multinational companies in August and September 2020 as a base for writing two narrative cases. Findings & Value added: Findings show the tendency of career theory to provide a narrow view of a career. They highlight the trends in considering the wide variety of career situations, which results from the fact that careers locate in time and space. The paper provides examples to explore career differences better and seek for alternative explanations to career experiences. Because career dynamics are influenced by individual characteristics and career development practices, a more integrative approach to career research must address the complexity of labor markets. The added value is to encourage discussions about career theory focusing on a wide range of issues.
- Published
- 2021
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27. Preface
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Dvoryadkina Elena, Animitsa Evgeny, and Blaginin Viktor
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Social Sciences - Published
- 2021
- Full Text
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28. Economic Security of the Region’s Periphery in Conditions of Digitalization, Urbanization and COVID-19
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Dvoryadkina E.B., Guseynly K.M., and Sobyanin A.A.
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Social Sciences - Abstract
The study deals with three factors of general nature and their impact on the economic security of the region's periphery. The essence of regional periphery economic security is described. Processes such as digitalization, urbanization and COVID-19 are considered and their impact on the economic security of the region's periphery is described. These factors are considered separately, and the characteristics of positive and negative effects coming from them are presented. The relationship between all three factors is revealed, and the influence of these processes in the aggregate is described. It was found that, cumulatively, the effect of digitalization, urbanization and COVID-19 on the economic security of the region's periphery is changing and may acquire a completely different nature than the impact of factors individually.
- Published
- 2021
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29. Financing the development of the regional vocational training system: qualitative changes
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Dvoryadkina Elena, Efimova Elena, and Prostova Dina
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Social Sciences - Abstract
Innovative development of the national economy is Russia's main strategic aim in a globally competitive environment. In general, innovation processes should start with transformations within regions, as it is the regions in Russia that form the basis of the national economic system. The purpose of this paper is to identify prospective directions for qualitative changes in the development of the regional vocational education system, which is the object of the study. The authors focus on the financing of regional vocational education system development, since this system is considered one of the most important factors of economic competitiveness, national security, and at the same time, vocational training is the basis for human capital accumulation and development. Regional programs, which are one of the instruments for financing education systems at regional level, are analyzed.
- Published
- 2021
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30. Methodology for the formation of university teacher readiness for the digitalization of the educational process
- Author
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Leifa Andrey Vasilevich, Dvoeriadkina Natalia Nikolaevna, Yurieva Tatiana Aleksandrovna, and Chalkina Natalia Anatolevna
- Subjects
Social Sciences - Abstract
The article discusses the methodology of forming the teacher's readiness to use the electronic educational environment by immersion technology. The relevance of the study is determined by the challenges of our time. During the pandemic, all educational institutions of the Russian Federation had to switch to distance learning for students. Which presupposes possession of digital technologies by all participants in the educational process. To bridge the «digital divide» in the student-teacher relationship, a methodology has been developed to improve the qualifications of the teaching staff, which allows them to organize their professional activities using digital technologies. The leading method of researching this problem was a pedagogical experiment conducted among teachers and students, which made it possible to identify a positive trend in the willingness of teachers to use the capabilities of the University's electronic information and educational environment based on the results of the proposed methodology. The article clarifies the structure of a teacher's readiness to use the electronic information and educational environment of an educational organization, substantiates the effectiveness of the methodology for the formation of readiness using immersion technology.
- Published
- 2021
- Full Text
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31. Services of non-profit organisations in sustainable development and economic security of rural areas
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Dvoryadkina Elena, Prostova Dina, and Eliseeva Alexandra
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Environmental sciences ,GE1-350 - Abstract
The paper studies the problems of non-profit organisations and their provision of social services in the processes of sustainable development and economic security of rural areas. The methodological basis of the research includes the theoretical positions of regional typology, sustainable development, regional and spatial economics, as well as approaches to the study of the effectiveness of non-profit organisations. The functioning of non-profit organisations, as well as the demand for social services, is revealed by using a combination of methods: dialectical, causal and ranking values of statistical indicators. The problems of rural development in agrarian-industrial regions are highlighted and the participation of non-profit organisations in solving these problems is substantiated. The authors emphasise the need to apply the mechanisms of programme-targeted management of rural development in the context of sustainable development processes and economic security.
- Published
- 2021
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32. Comprehensive insurance protection of human capital in agriculture
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Odinokova Tatiana, Dvoryadkina Elena, and Istomina Natalia
- Subjects
Environmental sciences ,GE1-350 - Abstract
Ensuring the development of agriculture as an important branch of the national economy and a resource that ensures national food security is traditionally in the interests of researchers. The study of the development of human capital in agriculture on the basis of a system of comprehensive insurance protection can be a relatively new vector of research. The article provides a brief description of the current state (development trends) of human capital in agriculture of the Russian Federation, the Russian practice of organizing insurance protection of human resources involved in agriculture, and identifies the need for comprehensive insurance protection. Conclusions on the need to embed a policy to ensure the development of insurance in rural areas into a unified state policy for the development of agriculture in combination with a policy for the development of state pension provision are presented.
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- 2021
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33. Ecological assessment of the lake ecosystem sustainability as exemplified by Lake Gorkoye (Chelyabinsk Region)
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Sibirkina Alfira, Likhachev Sergey, Dvinin Dmitry, Voitovich Georgiy, Trofimova Lyubov, Markova Lada, and Mulyukova Oksana
- Subjects
Environmental sciences ,GE1-350 - Abstract
The article is devoted to the assessment of the ecological sustainability of Lake Gorkoye in the Chelyabinsk region (Russia). The condition of aquatic ecosystems in industrial regions is mainly determined by the impact on them of anthropogenic factors. The ecological assessment of Lake Gorkoye was carried out according to organoleptic and hydrochemical indicators. The conducted physical and chemical analysis of water in Lake Gorkoye allows stating that water pH characterizes water as slightly alkaline and alkaline, water saturation with dissolved oxygen is within the norm for water fishery use. The excess of the norms of ammonium cations and nitrite ions, with normal levels of phosphate and nitrate ions, suggests that water in Lake Gorkoye belongs to the dirty water class, which is confirmed by the calculated ratio of nitrite-ions and ammonium cations (1.00:9.69). The revealed COD/BOD ratio is equal to 2.09, indicating that the biological purification process cannot fully occur. Lake Gorkoye is in an unstable state directly caused by business activities in the surrounding area.
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- 2021
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34. Balance assessment of material and energy biosphere flows and the energy industry in an industrial region
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Dvinin Dmitry and Davankov Aleksey
- Subjects
Environmental sciences ,GE1-350 - Abstract
The balance assessment of biosphere material and energy flows and those resulting from economic activity in the industrial region is carried out. The analysis is based on the use of stability indicators of the region's socio-ecological and economic system. For balance assessment of material and energy biosphere flows and economic activity, the total material input criterion was used, where the consumed natural resources are reduced to a single value. It was found that the functioning of the energy sector operating on fossil fuels created significant imbalances in the material and energy flows. The balance indicator is calculated for the regions of the Ural Federal District. In all regions of the Ural Federal District, except for the Yamal-Nenets Autonomous Area, the balance indicator is higher than the presence of general instability. The study allowed determining the magnitude of the ecological and economic effect in developing promising renewable energy sources. In 2 regions of the Ural Federal District, the scenario of replacing traditional energy with renewable energy will reduce the material intensity, which means that it will increase the level of balance of material and energy flows by more than 10 times.
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- 2021
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35. Trends and risks of developing local consumer markets in rural areas
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Dvoryadkina Elena, Khacheva Larissa, and Istomina Natalia
- Subjects
Environmental sciences ,GE1-350 - Abstract
The paper considers trends and risks of development of local consumer markets of rural territories, measures of state programs aiming at sustainable developing consumer markets. The concepts of municipalities of rural territories and consumer markets of rural territories are given. The main indicators of the consumer market, such as turnover of retail trade and catering, as well as indicators of the consumer service sector, are analyzed.
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- 2021
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36. Mechanical Properties and Design of Concrete with Hybrid Steel and Basalt Fiber
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Dvorkin Leonid, Bordiuzhenko Oleh, Zhitkovsky Vadim, Gomon Svyatoslav, and Homon Sviatoslav
- Subjects
Environmental sciences ,GE1-350 - Abstract
Adding different fiber types may yield improvement of steel fiber reinforced concrete (SFRC) features. Therefore, the investigation of hybrid fiber reinforced concrete (HFRC) mechanical properties is relevant. The effect of adding hybrid steel and basalt fiber on the mechanical properties of fine-grained concrete is studied. It is shown that hybrid fiber reinforcement using optimal steel and basalt fiber ratio allows preventing concrete mixtures' segregation and improving their structure homogeneity. This, in turn, allows achieving higher concrete strength values. In most cases, the design of such concrete compositions is based on engineering experience that limits the designers' capabilities. Therefore, an effective methodology for proper HFRC composition design should be developed. The present study is focused on developing such a methodology. The developed methodology includes using the mathematical experiments planning method to design optimal composition of high-strength fine-grained fiber reinforced concrete with hybrid steel and basalt fiber reinforcement. It is demonstrated that the proposed method can be effectively used for the design of optimal compositions of HFRC.
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- 2021
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37. Problems of social and psychological adaptation of students in conditions of social deprivation
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Dvoinikova Elena, Bakshutova Ekaterina, Beylina Natalya, Telnova Olga, and Vasilieva Julia
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Environmental sciences ,GE1-350 - Abstract
The article is devoted to changes in the level of empathy and some structural components of social and psychological adaptation caused by social deprivation in a pandemic, which is the purpose of the work. The paper presents the results of an empirical study conducted in the first semester of the 2020-2021 academic year, when Samara State Technical University students were on distance learning. The sample consisted of 248 first-year students. The basis of the observation is a longitudinal research, during which the communicative activity of students in interaction with the teacher and with each other was recorded. In addition, students solved situational problems containing a description of the conflict, for a way out of which they had to offer solutions: none, one or several. The study confirmed the hypothesis put forward about possible changes in the level of empathy, the ability to solve situational problems and social and psychological adaptation in general among students studying remotely. Isolation in a pandemic is an objective measure for which humanity was not ready.
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- 2021
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38. Socially oriented non-profit organizations in the region in the processes of creating the conditions for harmonious development of the individual: the financial aspect
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Dvoryadkina Elena, Prostova Dina, and Istomina Natalya
- Subjects
Environmental sciences ,GE1-350 - Abstract
In this study the authors examine how socially oriented non-profit organizations are involved in the processes of creating conditions for harmonious personal development in contemporary realities. The financial aspect, which is directly linked to the increase in funding from public funds and organizations, contributes to this degree. As human life consists of three main components, such as physical needs, social needs and spiritual needs, we consider it necessary to take a closer look at social needs, which include the need of culture, education, leisure and tourism, which can be provided by non-profit organizations.
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- 2021
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39. Economic security of the university in the context of the pandemic: influence of conservative and creative factors
- Author
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Dvoryadkina Elena and Guseynly Kamal
- Subjects
Environmental sciences ,GE1-350 - Abstract
This article is devoted by the authors to the study of conservative and creative factors that affect the economic security of the organization of higher education in the post-pandemic period. The author’s classification of conservative and creative factors is proposed on the basis of the author’s approach to assessing the level of economic security of the organization of higher education. The assessment of the level of economic security of the Ural State University of Economics in the period for 2016-2020 was carried out, during which each indicator was analyzed separately, in particular, the level of their influence. According to the results of the study, it can be determined that throughout the entire period of the study, USUE’s economic security was largely influenced by creative factors, but in 2020, USUE minimized the influence of most creative and conservative factors.
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- 2021
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40. Formation of regional conditions for the development of healthy lifestyle infrastructure using public and private partnership mechanisms
- Author
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Travnikova Daria and Dvoryadkina Elena
- Subjects
Environmental sciences ,GE1-350 - Abstract
The article considers the conditions for the formation of a healthy lifestyle infrastructure in the context of the development of the health care system using the foreign practice of public-private partnership. The article also focuses on the imperfection of the existing health care system and the system of ensuring a healthy lifestyle of the population, on the regional specifics that must be taken into account when implementing the state policy in the field of public health protection in a certain territory. A study of the infrastructure of the health care system and the infrastructure of a healthy lifestyle was conducted. The economic and institutional assessment of the activities of health authorities in the context of the use of public-private partnership mechanisms is given. It is noted that the development of the health care system is impossible without the joint efforts of private organizations, central and territorial state authorities. The author’s definition of the concept of healthy lifestyle infrastructure is given in the article. Improving the infrastructure of a healthy lifestyle, at the same time, is possible only with the use of public-private partnership (PPP), as a key mechanism for interaction between authorities, legal entities and citizens, especially taking into account the regional and municipal specifics of a certain territory.
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- 2021
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41. Defining 'telemedicine services' in the context of large-scale digitalization
- Author
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Dvoryadkina Elena and Fechina Alena
- Subjects
Environmental sciences ,GE1-350 - Abstract
The authors analyze the definitions of “telemedicine service” presented in domestic and foreign scientific publications, as well as on the official resources of various departments and healthcare organizations. It is revealed that there is a lack of research on this topic and the concept under study has a controversial nature. The authors carry out comprehensive testing of “telemedicine service” definition, adopted by the World Health Organization, for compliance with digitalization trends. In the course of the research, the incompleteness of the definition generally accepted at the international level was revealed. The authors propose their own interpretation of the “telemedicine service” concept, implying an individualized approach, the use of information and communication technologies in order to increase public health. There are also considered factors affecting the choice of this method of providing medical services, and determining the goals of application, including prevention, identification of causes, diagnosis and treatment of diseases.
- Published
- 2021
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42. Creative productivity of elderly scientists at different stages of professional development
- Author
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Postavnev Vladimir M., Postavneva Irina V., Dvoinin Mikhail L., and Ginting Henndy
- Subjects
multiple acme ,differential acmeological analysis ,scientific creativity ,scientometric databases ,Social Sciences - Abstract
The article presents the results of research focusing on substantiation and development of the idea of preservation and multiplication of human capital. The issue of psychological prerequisites and social conditions for top achievements made by scientists is of scientific and practical relevance as well as identification of social and psychological factors encouraging the preservation of high productivity in elderly scientists over long periods of time. The objective of this research is to find the correlation between the key events in the academic biography and top achievements made by well-known elderly scientists at different stages of their professional development. The presented data were obtained with the help of the research interview “Life values and life journey” developed by V.S. Mukhina. The information contained in scientometric databases about the top achievements made by elderly scientists were analyzed and interpreted relying on the principles of differential acmeological analysis of professional activities conducted by famous scientists and their achievements made in the acme of their career. The correlation between the key events in the academic biographies of the interviewed elderly scientists and their top achievements has shown that reaching the acme is the result of psychological prerequisites (scientists’ personal qualities and the physical state) and social conditions of their professional activities (social status, belonging to a certain school of thought, access to organizational and financial resources). Over the whole time of academic activity conducted by senior scientists, there are usually a few productive periods called micro-acme in acmeology. It should be noted that top achievements made by scientists are typically spaced out and fall on the times with the best combination of prerequisites and conditions for scientific creativity. Within this research, identification of the most common combinations of prerequisites and conditions leading to top scientific achievements was beyond our focus. One of the promising research directions would be an attempt to identify the criteria for developing periodization of scientific productivity among elderly scientists.
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- 2021
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43. Preprocessing of data from air-gas monitoring sensors during underground mining of gas-bearing coal seams for neural network analysis
- Author
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Dvoryanchikov Mark, Pavlova Larisa, and Weiss Inna
- Subjects
Environmental sciences ,GE1-350 - Abstract
The paper describes the stages of primary study and preprocessing of data obtained from air-gas monitoring sensors for their further analysis using machine learning methods.
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- 2021
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44. Monitoring changes at work: cross-cultural difference in employees’ evaluation
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Fedorova Alena, Dvorakova Zuzana, Kacane Ilze, Atas Huseyin, and Badambayeva Valeriya
- Subjects
cross-country study ,labour relations ,human resource management practices ,comparative analysis ,cluster analysis ,Social Sciences - Abstract
Research background: Globalization and digitalization of society are leading to fundamental alterations in the labour sphere. Global trends and turbulent times are changing the work environment, stipulating the emergence of new forms of labour relations and employment models. Thinking on the on-going transformation processes requires a monitoring study of new phenomena, as well as the creation of a knowledge system about the directions and prospects of human resources management and labour relations development. Purpose of the article: The article presents the interim results of the current monitoring changes in labour relations conducted by the international research team members. The empirical data obtained are considered in the context of the social and cultural features of respondents from different countries that contributes to a deeper understanding of the phenomena under study. Methods: In 2020, the authors carried out a sociological survey involving employees of enterprises operating in various sectors of the economy in the Russian Federation, the Czech Republic, Latvia, Turkey and Kazakhstan. The total number of respondents formed by random sampling is amounted to 1138 people. For the purpose of a comprehensive typology of the surveyed workers from different countries, a cluster analysis of the collected data was carried out. Findings & Value added: A comparative analysis of the sociological survey results reflects the trends in work transformation and labour relations that have developed under the Covid-19 pandemic. Cross-cultural analysis reveals the impact of social and cultural factors on respondents’ assessment and companies’ human resource management practices.
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- 2021
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45. Ethnographic movement methods: anthropology takes on the pesticide industry
- Author
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Dvera I. Saxton
- Subjects
Environmental sciences ,GE1-350 ,Political science - Abstract
In this article, I describe how the methods of anthropology proved productive and fruitful for research and environmental justice (EJ) activism against methyl iodide, a highly toxic soil fumigant pesticide used to sterilize soil before food crops like strawberries are transplanted. I continue a thread of discussion around what roles anthropology, and especially, public and applied anthropology, should play in addressing the serious problems traditionally encountered, documented, analyzed, and theorized through ethnographic research. Anthropological engagement and action on methyl iodide and other soil fumigants produced unique research opportunities and networks up and down the agricultural hierarchy, as well as spaces to contribute ethnographic labor and critical analysis and reflection to the EJ movement. While this activist approach— what I refer to as 'ethnographic movement methods'—presented some challenges, the victorious end-result of having methyl iodide's manufacturer pull their product from the U.S. market in 2012 also demonstrated how anthropologists, in cooperation with communities confronted by environmental suffering, can work cooperatively towards alternative agricultural and ecological futures. Keywords: activism; applied anthropology; environmental justice; farmworkers; ethnographic movement methods; pesticides
- Published
- 2015
- Full Text
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46. The analysis of the channel deformations in the lower pool of the Votkinsk reservoir
- Author
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Dvinskikh Svetlana, Klimenko Dmitriy, Larchenko Olga, and Minkin Konstantin
- Subjects
Environmental sciences ,GE1-350 - Abstract
The sand and gravel mix is mined at the Votkinsk reservoir. This leads to horizontal and vertical channel deformations. To study them, we examined the Golyanovsk section of the sand and gravel mix (SAGM) field in the lower pool of the reservoir. We used the channel surveys made in 2012-2016, 2018 and 2019 as the source of cartographic materials. The lower pool section of the Votkinsk hydroelectric complex, within which the Golyanovsk SAGM field is located, is characterized by a fully regulated effluent and an unsteady hydrological regime. Therefore, the hydrological regime of the considered area is particularly complex and depends on the water consumption in the alignment of the Votkinsk hydroelectric station and the level of the Nizhnekamsk reservoir. The average long-term water discharge for the navigation period is 2200 m3/s, the average long-term minimum monthly discharge rate is 1800 m3/s. The field survey of the area was carried out during the low water period in accordance. This period was characterized by minimum levels at around 64.79-65.24 m BS. The water discharge varied between 1720-1780 m3/s. With this flow, the Kama River is characterized by fairly low flow speed: no more than 1.29 m/s on the rod and 0.2-0.5 m/s on the riverbank shallows. The channel deposits are represented by pebble-gravel soils of various sizes. Throughout 2001-2019 an increase in the particle size has occurred. This is due to the change of the channel-forming process from accumulation to erosion. Horizontal deformations are represented by the reformation of the riverbanks, vertical – by accumulation and erosion of bottom. Drawdown levels are the result of natural deformations of the channel. According to the monitoring data, the duration of the “drawdown – growth” cycle is 2-3 years. The duration of the “drawdown – growth” cycle is 2-3 years.
- Published
- 2020
- Full Text
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47. Comparative analysis of traditional and alternative energy in the Russian Federation
- Author
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Dvinin Dmitry and Nikolaeva Ekaterina
- Subjects
Environmental sciences ,GE1-350 - Abstract
The study obtained the totals of material intensity (resource intensity) and greenhouse gas emissions for all regions of the Russian Federation with traditional and alternative energy sources. The share of alternative energy in the regional energy balance, the total amount of natural resources consumed as a result of its activities (expressed in total material input numbers). It has been established that the emission of greenhouse gases by the traditional electric power industry is 788.56 million tons. Greenhouse gas emissions from alternative power generation activities in the Russian Federation are relatively low, with emissions of 0.11 million tons, and are associated exclusively with the activities of biofuel plants. The volume of matter transported due to traditional energy activities in the Russian Federation is 2 billion tons. The volume of material transported due to alternative energy activities in the Russian Federation is minimal and amounts to 421 thousand tons. Even in a hypothetical scenario, when alternative electricity completely replaces traditional energy, the volume of transported material will be almost 7 times less than fossil fuel energy. Thus, the ecological and economic advantage of alternative energy development in the Russian Federation is established, which is expressed in significant resource saving.
- Published
- 2020
- Full Text
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48. Ethics Committee as A Tool to Improve the Management of Psychological and Pedagogical Research
- Author
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Dvoinin Alexey Mikhailovich, Shukshina Svetlana Evgenievnа, Sevalnikov Andrey Andreevich, Bulanova Irina Sergeevna, and Ginting Henndy
- Subjects
Social Sciences - Abstract
The article considers the problem of low quality pedagogical and psychological/pedagogical research in the Russian academic context, closely interconnected with bad academic practices in conducting this kind of research. The authors identified the most common ethical violations, including imitation of scientific research, compiling scientific texts, falsification of results, incorrect borrowing, etc. The paper contains a pre-project analysis of the management model of psychological and pedagogical research common in modern Russian universities and conclusions on its failure in the conditions of transition to the global standards for assessing the quality of education and research. The authors present an approach to the development of a model for managing psychological and pedagogical research at the university level. The proposed model is based on international standards of scientific ethics and principles of evidence-based science, and the committee on the ethics of psychological and pedagogical research is its key element. The paper determines the status, structure, functions of the ethics committee, as well as specific features and possible risks of implementing the proposed alternative model in universities with serious problems in the field of good academic practice.
- Published
- 2020
- Full Text
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49. Industrial revolution 4.0 in industrial laundries and their information technologies landscape
- Author
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Polívka Martin and Dvořáková Lilia
- Subjects
Social Sciences - Abstract
This paper presents the research results in the field of implementation of fourth industrial revolution technologies into the service sector, with a specific focus on the integration of Industry 4.0 technologies into corporate processes of industrial laundries. The theme covered was found topical following the analysis of practical needs and based on the specific nature of industrial laundry processes and only marginal interest paid in professional theory and discussions to the possibility and efficiency of the Industry 4.0 technologies implementation into non-production companies. Based on the analysis and evaluation of secondary data, advanced Industry 4.0 technologies have been identified which might lead to the increase of industrial laundries efficiency. Further, the methods of monitoring, structured interview and case study have been combined to design the integration of Industry 4.0 technologies into the system of existing information and communication technologies and systems. Based on a quality comparison, the case study and structured interview results have proven the benefits of implementation of automated identification and data collection technologies including the implementation of vertical integration of corporate information system and horizontal integration leading to the interconnection with customers in industrial laundries corporate processes.
- Published
- 2020
- Full Text
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50. Simple Design of Solar Based Watering System for Plants: Application in Multi-Story Buildings
- Author
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Hote Mrudula and Dvivedi Ila
- Subjects
Environmental sciences ,GE1-350 - Abstract
In this paper, the design of a solar-based watering system for plants in multi-story buildings is proposed. The main advantage of the design is that when the people are out of station or busy for particular days, the proposed solar-based system will water the plants for a particular time in a day. The proposed design is verified on a real-time hardware setup. The main advantage of the proposed design is that the mathematical approach is very simple and no need for any rocket science.
- Published
- 2020
- Full Text
- View/download PDF
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