Zobrazeno 1 - 10
of 21
pro vyhledávání: '"A. S. Portnyagin"'
Autor:
Anton A. Belov, Oleg O. Shichalin, Evgeniy K. Papynov, Igor Yu. Buravlev, Arseniy S. Portnyagin, Semen A. Azon, Alexander N. Fedorets, Anastasia A. Vornovskikh, Erhan S. Kolodeznikov, Ekaterina A. Gridasova, Anton Pogodaev, Nikolay B. Kondrikov, Yun Shi, Ivan G. Tananaev
Publikováno v:
Materials, Vol 16, Iss 17, p 5838 (2023)
This paper reports a method for the fabrication of mineral-like SrMoO4 ceramics with a powellite structure, which is promising for the immobilization of the high-energy 90Sr radioisotope. The reported method is based on the solid-phase “in situ”
Externí odkaz:
https://doaj.org/article/465fc91b69194638a97de3b0e8cdf3fd
Autor:
Irina V. Maslova, Ekaterina Yu. Portnyagina, Darja A. Sokolova, Polina A. Vorobieva, Mikhail V. Akulenko, Arseniy S. Portnyagin, Alexey A. Somov
Publikováno v:
Nature Conservation Research: Заповедная наука, Vol 3, Iss Suppl. 1, Pp 61-72 (2018)
Information is given on new findings of five rare and endangered species of amphibians and reptiles inhabiting the Primorsky Krai: Onychodactylus fischeri, Pelodiscus maackii, Takydromus wolteri, Oocatochus rufodorsatus and Hebius vibakari. New locat
Externí odkaz:
https://doaj.org/article/2955192a077d4465a4678e74bcb15062
Autor:
Yu S. Glyaznetsova, O. N. Chalaya, V.A. Kashirtsev, M. E. Semenov, A. S. Portnyagin, I. N. Zueva, I. K. Ivanova
Publikováno v:
Russian Journal of Applied Chemistry. 93:603-610
The results of a study of melting the commercial waxes in the composition of asphaltene-resin-paraffin deposits and for comparison of petroleum waxes in multicomponent solvents of various nature are presented. It was found that with an increase in th
Publikováno v:
Фундаментальные и прикладные вопросы горных наук. 7:89-94
Publikováno v:
Theoretical Foundations of Chemical Engineering. 53:908-912
New prospective sources of valuable minerals, including substantial reserves of crystalline graphite, gold, platinum, rare earth elements, and diamondlike carbon, have been revealed by the authors in high-carbon rocks in the south of Russia’s Far E
Publikováno v:
2020 International Multi-Conference on Industrial Engineering and Modern Technologies (FarEastCon).
Gas hydrates are non-stoichiometric inclusion compounds formed by the incorporation of molecules of nonpolar gases, for example, hydrocarbons, into the cavity of the network structure of water. The most remarkable property of hydrates is their high c
Publikováno v:
INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS2020).
The article reviews the potential use of hydrate formation for enriching natural gas with C2-C4 methane homologues. It is shown that when hydrates are formed in distilled water, the concentration of C2-C4 components in the gas transferred to hydrate
Autor:
Alexey A. Somov, Mikhail V. Akulenko, Ekaterina Yu. Portnyagina, Irina V. Maslova, Darja A. Sokolova, Russia Gidrotekhnika Ltd., Polina A. Vorobieva, Arseniy S. Portnyagin
Publikováno v:
Nature Conservation Research: Zapovednaâ Nauka, Vol 3, Iss Suppl. 1, Pp 61-72 (2018)
Information is given on new findings of five rare and endangered species of amphibians and reptiles inhabiting the Primorsky Krai: Onychodactylus fischeri, Pelodiscus maackii, Takydromus wolteri, Oocatochus rufodorsatus and Hebius vibakari. New locat
Publikováno v:
RSC Advances. 8:3286-3295
To date, kinetic computations have been carried out efficiently for a great variety of physico-chemical processes including crystallization, melting and solid–solid transitions. However, appropriate methods for the kinetic analysis of chemical reac
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 666:052022
The paper presents the results of an experimental study of the natural gas and carbon dioxide hydrates formation in a calcium chloride solution. It was found that the gas saturation of hydrates formed from natural gas and carbon dioxide in 15 mass. %