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Wyszukujesz frazę "Tkachenko, Volodymyr" wg kryterium: Autor

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    Wyświetlanie 1-8 z 8
    Tytuł:
    Forecasting analytic model of construction energy cluster development in Ukraine
    Autorzy:
    Tkachenko, Volodymyr
    Tkachenko, Iryna
    Klymchuk, Maryna
    Powiązania:
    https://bibliotekanauki.pl/articles/1933659.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    energy cluster
    forecasting development
    investment
    klaster energetyczny
    prognozowanie rozwoju
    inwestycje
    Opis:
    The article proposes a scientific and methodological approach to solve the problems of the construction energy cluster forecasting development, which provides an opportunity to unite the known technology of constructing time series models with the technology of simultaneous systems equations. It was developed the quantification process of the forecasting economic and mathematical formation model of energy cluster development, which will allow to detail the stages of mathematical modeling in the context of the studied problems, taking into account the specificity of production and commercial activity of all integration formation participants. The conditions for carrying out forecasting and analytical procedures of construction energy cluster development have been identified, in particular by the specificity and type of cause and effect and dynamic relationships between the main economic indicators, the intensity factors development trends, the dynamics of regular factors, described by linear and nonlinear ones.
    Źródło:
    Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2019, 140; 377-389
    1641-3466
    Pojawia się w:
    Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Recursive and convergence methodology of the investment management of the enterprise digitalization processes
    Autorzy:
    Tkachenko, Volodymyr
    Klymchuk, Maryna
    Tkachenko, Iryna
    Powiązania:
    https://bibliotekanauki.pl/articles/1538055.pdf
    Data publikacji:
    2021
    Wydawca:
    STE GROUP
    Tematy:
    digital economy
    enterprise
    investment
    recursion
    Opis:
    The article investigates the problems of the investment management digital transformations at the enterprise, where the instrumental basis based on the system economic theory and integrated IT risk management theory are allocated. The purpose of the study is to develop a recursive and convergence methodology of the investment management of the enterprise digitalization processes. The components of the process of investment digitalization of enterprises are structurally reflected and a deterministic 5-component model of developing a recursive and convergence management methodology based on the digital economy is formed. It is determined that the recursive and conversion methodology is based on the understanding of investment management digital transformations at an enterprise as a complex system, characterized primarily by the diversity and heterogeneity of the constituent elements, numerous internal and external connections, which causes a variety of their interaction, changes in the composition and state of the system. The recursive model provides management of the investment of digitalization in the enterprise as a sequential transition between processes of one level only after all the cycles provided for the current process are implemented. However, such a coherent sequence is possible at the expense of effective information support of each process, which should be implemented on a convergence basis. The precondition for its implementation in the field of digital technologies is civilizational development, consequences of globalization and digitalization.
    Źródło:
    Management Systems in Production Engineering; 2021, 1 (29); 14-19
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fundamentals of financial and economic security management of Ukrainian enterprises
    Autorzy:
    Tkachenko, Volodymyr
    Tkachenko, Iryna
    Puzyrova, Polina
    Powiązania:
    https://bibliotekanauki.pl/articles/692611.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Ekonomiczny w Poznaniu
    Tematy:
    economics
    finance
    security
    enterprises
    Ukraine
    Opis:
    The financial and economic security of an enterprise is a complex system that includes a certain set of internal characteristics aimed to ensure the efficiency of corporate resources use in each direction of activity. The basis of the development of a complex system of financial and economic security of an enterprise should be a defined concept. Each enterprise is a system that includes different, interconnected components, which in order to ensure proper degree of protection against possible negative impacts should be considered comprehensively. The content and structure of the financial and economic security system depend on the specifics and nature of the activity of the enterprise, its potential, the markets that it operates, as well as its management. The financial and economic security system of an enterprise must be comprehensive and independent from similar systems of economic entities.
    Źródło:
    Research Papers in Economics and Finance; 2020, 4, 2; 41-51
    2543-6430
    Pojawia się w:
    Research Papers in Economics and Finance
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Compensatory financing of energy saving projects in construction: modification of "TIF"
    Autorzy:
    Tkachenko, Volodymyr
    Ivakhnenko, Iryna
    Klimchuk, Maryna
    Ploska, Hanna
    Powiązania:
    https://bibliotekanauki.pl/articles/692515.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Ekonomiczny w Poznaniu
    Tematy:
    energy saving
    municipal bonds
    investments, emission
    building energy cluster
    Opis:
    The purpose of the article is to create a mechanism for making investments by enterprises and institutional participants in the building energy cluster. The authors explore the possibility of attracting additional financial resources for implementing energy saving measures through issuance of municipal bonds and compensatory financing on the basis of tax deductions (Tax Increment Financing – TIF). The study of the practice of local borrowing in Ukraine has demonstrated the fragmented nature of the existing system. However, provided the appropriate regulatory and legal framework and the experience of other countries are taken into account, the development of the local borrowing market can be a source of financial resources for the implementation of energy saving projects. According to the results of the study of the financial compensatory technology "Tax Increment Financing" (TIF), proposals for the formation of a mechanism for making investments by enterprises and institutional participants in the building energy cluster are provided, where its structure identifies the levers, tools, methods of funding energy-saving measures, the coordination center of the energy cluster has been determined and participants of this integration formation are proposed.
    Źródło:
    Research Papers in Economics and Finance; 2019, 3, 1; 47-52
    2543-6430
    Pojawia się w:
    Research Papers in Economics and Finance
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The economic-mathematical development of buildings construction model optimization on the basis of digital economy
    Autorzy:
    Tkachenko, Volodymyr
    Kwilinski, Aleksy
    Klymchuk, Maryna
    Tkachenko, Iryna
    Powiązania:
    https://bibliotekanauki.pl/articles/409928.pdf
    Data publikacji:
    2019
    Wydawca:
    STE GROUP
    Tematy:
    digital economy
    construction
    interdisciplinary approach
    Opis:
    The article presented the scientific research of buildings construction optimization problems on the basis of interdisciplinary approach that provides synergy of modern approaches of construction organization and technology, economic theory and political economy, as well as applied mathematics. The formation and realization of the economic-mathematical model of optimal sequence groups of construction objects are considered on the basis of a method of sequential analysis of variants, based on dynamic programming. According to the provided research results the proposals were made for acceleration of these processes in construction through the development of program complex "Optimization of object construction process by the criterion of time" on the basis of mathematical modeling methods, which provided the opportunity to further optimize and obtain consistency and reduce the construction terms of this buildings groups for almost a year (360 days or 61%).
    Źródło:
    Management Systems in Production Engineering; 2019, 2 (27); 119-123
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Risk management system references in construction
    Autorzy:
    Tkachenko, Volodymyr
    Klymchuk, Maryna
    Tkachenko, Iryna
    Ilina, Tetiana
    Powiązania:
    https://bibliotekanauki.pl/articles/692569.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Ekonomiczny w Poznaniu
    Tematy:
    construction
    risk management
    dissipation
    localization
    risk aversion
    Opis:
    The article examines the basic methods of risk management in construction: risk aversion, localization, dissipation,compensation. The methods are adapted to the specificity of construction companies, taking into account the main directions of their development. For the purpose of effective risk management, formalized functional structuring of risk management in construction is proposed, which will enable the implementation of management functions at two levels – executive and coordinating, with the help of a special structural component in the enterprise management system or a specialized unit in the organizational structure. 
    Źródło:
    Research Papers in Economics and Finance; 2020, 4, 1; 21-29
    2543-6430
    Pojawia się w:
    Research Papers in Economics and Finance
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of Microbiological Processes in the Soil of a Two-Year Fallow
    Autorzy:
    Malynovska, Iryna
    Tkachenko, Mycola
    Bulgakov, Volodymyr
    Ptashnik, Mykhailo
    Ivanovs, Semjons
    Powiązania:
    https://bibliotekanauki.pl/articles/2202367.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    microbiocenosis
    fallow
    mineralisation
    humus
    phytotoxicity
    Opis:
    A high degree of ploughing the soils is a destabilization factor of agrolandscapes and intensification of the erosion processes. Therefore, there arises a need to study the direction of the soil processes during the transfer of the arable land into a state of fallow. The state of microbiocenosis of a two-year-old abandoned land (fallow) was investigated using the gray forest soil in the variants of spontaneous overgrowth, sowing of grass mixtures and sowing of grass mixtures with simultaneous optimization of mineral nutrition of the phytocenosis as an example. It has been established that the least stable microbiocenosis is formed during the cultivation of the grass mixtures, which is characterized by the minimum total number of microorganisms (647.1 million CFU•g–1 of absolutely dry soil) and the minimum number of significant relations between the constituents (components) of the microbial community (98). The total number of microorganisms in the microbiocenosis of the spontaneous overgrowth variant and the legume-grass mixture exceeds that of the cereal grass mixture variant by 6.29 and 34.8%, respectively. A similar indicator for the total number of significant relations was 4.08%. Application of mineral fertilizers intensifies the process of mineralization of nitrogen compounds and slows down the consumption of the soil organic matter in the variants of sudden recovery of phytocenosis and cultivation of the legume-cereal grass mixture. The soil of the variant of the grass mixture is characterized by minimum total biological activity; it is 1.33 and 33.2% lesser than the total biological activity of the variants of spontaneous overgrowth and cultivation of the legume-grass mixture.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 2; 309--316
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research into Comparative Performance of Different Tillage and Fertilization Systems Applied to Grey Forest Soil of Forest Steppe in Grain Crop Rotation
    Autorzy:
    Kaminskyi, Viktor
    Bulgakov, Volodymyr
    Tkachenko, Mykola
    Kolomiіets, Mykola
    Kaminska, Valentina
    Ptashnik, Mykhailo
    Ivanovs, Semjons
    Kiernicki, Zbigniew
    Powiązania:
    https://bibliotekanauki.pl/articles/2202309.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    agrotechnology
    alternative tillage
    fertilization
    productivity
    soil physics
    Opis:
    The paper summarises the results of the comprehensive scientific research carried out in the form of a two-factor stationary experiment (5 primary tillage systems × 3 fertilization systems) with rotation (2016–2020) of cereal crops (winter wheat – grain maize – spring barley – soybean) in grey forest fine sand and light loam soil. The effectiveness of the tested agricultural production method has been proven by the amplitudes of the actual cropping capacities: winter wheat – 2.80–5.00 t∙ha–1; grain maize – 4.16–8.89 t∙ha–1; spring barley – 1.78–4.45 t∙ha–1; soybean – 1.02–3.17 t∙ha–1. The rehabilitation of the physical, agrochemical and biological status of the edatope and the consolidation of the physiological processes in the grain cenoses achieved by the systemic approach to the soil tillage and fertilisation have provided for an increase in the natural biological potential of the plough land by a factor of 1.3–1.8 (from 2.96 to 5.21 t∙ha–1 of grain units, units for the equivalent measuring of different plant cultivation products). Factographic justification has been provided for the environmental, technological and technical-and-economic feasibility of implementing agronomic technologies based on the adaptive combination of mouldboard and non-mouldboard tillage (to a depth of 6–45 cm) and organic and mineral fertilization system (6.5–7.0 t∙ha–1 of plant cultivation by-products + N70P58K68). In this case, the effective fertility of an area unit in crop rotation reaches 5.72 t∙ha–1 in grain units, the production cost of raised grain – 117 €∙t–1, the earning capacity – 788 € (ha∙year) –1, the level of plant cultivation profitability – 139%. In the comparable alternatives of the system-based soil tillage (every-year ploughing, subsurface blade tillage and especially tillage with disk implements), the indices estimated above are significantly lower.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 12; 163--178
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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