Zobrazeno 1 - 10
of 5 476
pro vyhledávání: '"Pavlo P."'
Publikováno v:
Journal of Mechanical Engineering, Vol 27, Iss 2, Pp 18-25 (2024)
The reliable operation of structures and energy machines is related to ensuring thermal strength and durability of their elements and assemblies. Currently, a difficult situation has developed in the modern energy market; the equipment works in diffi
Externí odkaz:
https://doaj.org/article/60208742b3b64ca68641ab76efec796b
Autor:
Tetiana P. Fedoniuk, Petro V. Pyvovar, Oleh V. Skydan, Taras V. Melnychuk, Pavlo P. Topolnytskyi
Publikováno v:
Journal of Water and Land Development, Iss No 60, Pp 79-90 (2024)
The article demonstrates the results of a study of the landscape structure of the Chornobyl Radiation and Ecological Biosphere Reserve (Ukr.: Chornobylskyi radiatsiino-ekolohichnyi biosfernyi zapovidnyk – ChREBR). Because of radioactive pollution,
Externí odkaz:
https://doaj.org/article/a79610216092409f9f80990ab7173a73
Autor:
Pavlo P. Hontarovskyi, Natalia V. Smetankina, Nataliia H. Garmash, Iryna I. Melezhyk, Tetiana V. Protasova
Publikováno v:
Journal of Mechanical Engineering, Vol 25, Iss 3, Pp 29-39 (2022)
An experimental stand was created to study the thermobaric and chemical influence of hydrogen on the identification of hydrocarbon production. The said stand allows to reproduce chemical-technological processes as close as possible to real formation
Externí odkaz:
https://doaj.org/article/90b0d449f5374a99898b9b0414023cac
Publikováno v:
Educational Technology Quarterly, Vol 2023, Iss 2 (2023)
This paper explores the significance of student research activities in fostering the key competencies essential for the future specialists in the field of chemistry. Specifically, it emphasizes the importance of primary school students' ability to so
Externí odkaz:
https://doaj.org/article/f2e0d520e5344222ba64543b138a0fc4
Autor:
Pavlo P. Hontarovskyi, Natalia V. Smetankina, Serhii V. Ugrimov, Nataliia H. Garmash, Iryna I. Melezhyk
Publikováno v:
Journal of Mechanical Engineering, Vol 25, Iss 2, Pp 14-21 (2022)
Ensuring the efficient and reliable safe operation of ground special equipment of various types, aircrafts is an important and urgent problem. Preservation of the strength, protective properties and transparency of the glazing of machinery cabins in
Externí odkaz:
https://doaj.org/article/82642aa879af42fca1741c10c7dcef23
Autor:
Oleksandr V. Vitiuk, Valery M. Pugatch, Kyrill A. Bugaev, Nazar S. Yakovenko, Pavlo P. Panasiuk, Elizaveta S. Zherebtsova, Vasyl M. Dobishuk, Sergiy B. Chernyshenko, Borys E. Grinyuk, Violetta Sagun, Oleksii Ivanytskyi
Publikováno v:
Particles, Vol 5, Iss 3, Pp 245-264 (2022)
Here, we propose a novel approach to experimentally and theoretically study the properties of QCD matter under new extreme conditions, namely having an initial temperature over 300 MeV and baryonic charge density over three times the values of the no
Externí odkaz:
https://doaj.org/article/0515c100ece54090af3b4b70193c71c7
Publikováno v:
Освітній вимір, Vol 8 (2023)
The organization of high school students' research and learning activities in chemistry requires a significant amount of experimental work. The performance of experimental work in chemistry at school faces a number of problems, both purely material a
Externí odkaz:
https://doaj.org/article/65630b2b154a4a8786aa377c2861dbca
Publikováno v:
Educational Technology Quarterly, Vol 2023, Iss 1 (2023)
Chemistry educational and research activities must be planned in a way that makes extensive use of experimentation. The implementation of chemistry experiments in the classroom is fraught with organizational and logistical challenges, and more recent
Externí odkaz:
https://doaj.org/article/8b63d77af1d94403981f300407d1ef3d
Autor:
Pavlo P. Hontarovskyi, Natalia V. Smetankina, Serhii V. Ugrimov, Nataliia H. Garmash, Iryna I. Melezhyk
Publikováno v:
Journal of Mechanical Engineering, Vol 24, Iss 3, Pp 27-34 (2021)
The safety of reliable operation of aircraft and their durability essentially depend on the strength of the glazing, which is a critical structural element. There are a number of different requirements for glazing. To provide the necessary parameters
Externí odkaz:
https://doaj.org/article/02b245faa2bb4bc2a3cbff20304f0d1b
We propose an extension of the Goncharov-Kenyon class of cluster integrable systems by their Hamiltonian reductions. This extension allows us to fill in the gap in cluster construction of the $q$-difference Painlev\'e equations, showing that all of t
Externí odkaz:
http://arxiv.org/abs/2411.00325
