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Wyświetlanie 1-2 z 2
Tytuł:
Migration Factor of Stimuling the Development of the Production Industry in Ukraine and Poland
Autorzy:
Mosora, Larysa
Tolubyak, Vitalii
Brodny, Jarosław
Romanyshyn, Liubomyr
Mosora, Yurii
Powiązania:
https://bibliotekanauki.pl/articles/2064817.pdf
Data publikacji:
2020
Wydawca:
STE GROUP
Tematy:
migration process
educational migration
consequences of migration
donor country
recipient country
migrants
cooperation
Opis:
The article examines the influence of migration processes on the formation and development of production capacities of countries. It is emphasized that population migration significantly affects the social and economic indicators of the country; under such influence, they can have both positive and negative trends. The article presents the main positive and negative consequences of population migration for donor countries, recipient countries, and for migrants themselves. It is proved that one of the most popular and promising is educational migration, which, under certain favorable circumstances, makes it possible to form highly qualified personnel, deepen international cooperation between higher education institutions of different countries, and strengthen the joint use of educational and scientific potential. The attention is focused on the fact that Ukraine today acts as a donor country and a leader in the number of young people who travel to study in Poland. It is indicated that in order to effectively regulate migration processes by the state, it is appropriate to ensure interaction between higher education institutions of different countries, namely, in the sphere of: a double-degree program, foreign internships, and holding joint international conferences. Using the example of Ivano-Frankivsk National Technical University of Oil and Gas and Ternopil National Economic University, it is shown how such interaction is implemented in practice and its consequences. The conclusions are based on the fact that educational migration is one of the most favorable types of migration. With its proper control by the state, it is possible to stimulate the development of the production industry in countries and improve social and economic indicators.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2020, 3, 1; 732--744
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using FCAW with Electrodes Based on Fe-Ti-Mo-B-C System for Increasing of Durability of Junk Removal Tools
Autorzy:
Ivanov, Olexandr
Prysyazhnyuk, Pavlo
Romanyshyn, Liubomyr
Romanyshyn, Taras
Mosora, Yurii
Powiązania:
https://bibliotekanauki.pl/articles/2065035.pdf
Data publikacji:
2021
Wydawca:
STE GROUP
Tematy:
abrasion resistance
flux cored electrodes
hardfacing
junk mills
microstructure
Opis:
In this work were analyzed factors and working conditions that leads to the wearing of junk mills tools that are a part of junk removal equipment used in drilling and workover of borehole. Such equipment is a part of oil and gas industry and work under condition of intense abrasive wearing with increased pressures and cyclic loads. Was established that traditional hardfacing materials based on the Fe-Cr-C system are not effective for improvement of abrasion resistance of elements of such equipment due to their low crack resistance and low hardness of chromium carbides. The aim of this work was to increase a durability of that equipment by using of flux cored electrodes with reaction components of pure metal powders, which leads to forming the fine-grained structure with increased hardness. Powders of Ti, Mo, B4C and their combinations were used. Structures of the hardfacing coatings were investigated by method of metallography, scanning electron microscopy (SEM). Abrasion wear tests were held under condition of fixed and non-fixed abrasion. Using of pure metal powders led to formation of a fine-grained structure with grains of Mo2FeB2 that forms around TiC, which work as modifier. It was investigated that the researched material based on Fe-Ti-Mo-C-B system that was used for increasing the wear resistance of junk mills led to increasing of the TBO period in 1.5-1.6 times comparing with serial hardfacing materials based on tungsten.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2021, 4, 1; 132--141
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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