Výsledky vyhledávání

Akademický článek

Methodology of Problems Creation and Selection for Astronomy Olympiads on Example of Tasks on the Topic of Kepler's Laws

Autor: Yaroslav Ersteniuk, Ivan Gasyuk, Anna Boryschak, Petro Yakubovskyi

Publikováno v: Journal of Vasyl Stefanyk Precarpathian National University, Vol 7, Iss 1, Pp 156-165 (2020)

Based on many years of experience in the organization of the third stage of Ukrainian National Astronomy Olympiad, the authors of the article attempt to formulate general principles for the selection and compilation of astronomy olympiad problems, as

Externí odkaz: https://doaj.org/article/c8a51da84bed4b0cb1889b8b2dfafd82

Zobrazit plný text záznamu

Methodology of Problems Creation and Selection for Astronomy Olympiads on Example of Tasks on the Topic of Kepler's Laws

Autor: Anna Boryschak, Petro Yakubovskyi, Ivan Gasyuk, Yaroslav Ersteniuk

Publikováno v: Journal of Vasyl Stefanyk Precarpathian National University, Vol 7, Iss 1, Pp 156-165 (2020)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f079f03c59964ce49353f7ca4344c357
https://doi.org/10.15330/jpnu.7.1.156-165

Zobrazit plný text záznamu

Structurally Dependent Electrochemical Properties of Ultrafine Superparamagnetic ‘Core/Shell’ γ-Fe2O3/Defective α-Fe2O3 Composites in Hybrid Supercapacitors

Autor: Yurii Yavorskyi, B. I. Rachiy, Lina Kieush, Andrii Koveria, A. B. Hrubiak, Maria Moklyak, Serhii Fedorov, Ivan Gasyuk, V. V. Moklyak, Oleg Bazaluk, Vasyl Lozynskyi

Publikováno v: Materials, Vol 14, Iss 6977, p 6977 (2021)
Materials
Volume 14
Issue 22

The paper presents a method for obtaining electrochemically active ultrafine composites of iron oxides, superparamagnetic ‘core/shell’ γ-Fe2O3/defective α-Fe2O3, which involved modifying sol-gel citrate synthesis, hydrothermal treatment of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea1d1edd3d8356e0e1776a664173bfe6
https://www.mdpi.com/1996-1944/14/22/6977

Zobrazit plný text záznamu

Mössbauer studies of spinellides of Mg(FeXCr2-X)O4 system obtained by the hydroxide co-precipitation method

Autor: Volodymyr Moklyak, S. I. Yaremiy, Ivan Gasyuk, I. P. Yaremiy, Anna Luсas, Mykola Matkivskyi

Publikováno v: Eastern-European Journal of Enterprise Technologies. 5:56-63

To establish regularities in formation of the magnetic microstructure in magnesium ferrite-chromites by the method of co-precipitation of hydroxides from chlorides of corresponding salts, ferrite spinels were synthesized with Mg(Fe x Cr 2-x )O 4 comp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72049e91b45260ae084da991b5c8ba21
https://doi.org/10.15587/1729-4061.2017.112271

Zobrazit plný text záznamu