Zobrazeno 1 - 10
of 867
pro vyhledávání: '"V. A. Ryzhkov"'
Publikováno v:
Космические аппараты и технологии, Vol 7, Iss 3, Pp 220-226 (2023)
Currently, the exploration of the planet Venus is a very relevant and developing direction in space science. The development of rocket and space technologies has expanded the boundaries of accessibility of spacecraft to objects in the Solar System, a
Externí odkaz:
https://doaj.org/article/494e6958eab14d75baed5d0018d089c7
Autor:
V. V. Ryzhkov
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 20, Iss 4, Pp 28-39 (2022)
Some data on the knowledge base to support the development of low-thrust liquid-propellant rocket engines using computer technologies are presented. The structure of the base is proposed on the basis of characteristic features of engines, including t
Externí odkaz:
https://doaj.org/article/abfc2f19083645628a773892fc010529
Akademický článek
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Publikováno v:
Литосфера, Vol 20, Iss 5, Pp 682-689 (2020)
Research subject. The Karabash ore district is a unique structural zone in the Ural folded system, formed at the joint of the Magnitogorsk and Tagil depressions. The uniqueness of this zone is associated with its specific formation conditions: a Pale
Externí odkaz:
https://doaj.org/article/e542a2f8c6364363b2bf9eec1b4226a3
Publikováno v:
Литосфера, Vol 18, Iss 5A, Pp 48-56 (2020)
The determination of ancient ages of zircons in dunites from the orogenic regions and central-type platform massifs raised a number of issues: 1) the equilibrium of zircon with dunite material and, as a result, the possibility of determining the age
Externí odkaz:
https://doaj.org/article/2b06e5468a754e05bdc45c3998c5a380
Autor:
V. V. Ryzhkov, I. I. Morozov
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 18, Iss 3, Pp 131-142 (2019)
The paper presents the results of calculating thermodynamic and thermophysical properties of the combustion products of gaseous oxygen-hydrogen fuel according to the ideal LRE model taking into account the phase state of the components, as well as th
Externí odkaz:
https://doaj.org/article/0dcacf7bb20c4353a40ba4e37a4a4c0d
Publikováno v:
Медицинский совет, Vol 0, Iss 13, Pp 160-165 (2019)
Objective. To evaluate the clinical efficacy of sertaconazole in the treatment of acute vulvo-vaginal candidiasis (VVC) in pregnant women with caesarean section. Subject and methods. The study included 136 pregnant women. In the treatment, 1 candle o
Externí odkaz:
https://doaj.org/article/34d2b1ddcde240bf8721803eda3cdfd2
Autor:
M. A. Igumentseva, L. Y. Kabanova, V. N. Anfilogov, M. V. Shtenberg, I. A. Blinov, V. M. Ryzhkov
Publikováno v:
Литосфера, Vol 19, Iss 4, Pp 588-597 (2019)
Research subject. In this research, we studied lenses, nodules and interlayers of granulated quartz, which are located in amphibolites and shales in the eastern part of the Ufalei gneso-amphibolite complex.Materials and methods. Petrographic features
Externí odkaz:
https://doaj.org/article/f59bf0ab33344fe1813826f71e6d2c9c
Autor:
V. V. Ryzhkov, I. I. Morozov
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 18, Iss 2, Pp 62-74 (2019)
The paper presents the description of a mathematical model of the working process of a low-thrust rocket engine operating on gaseous oxygen-hydrogen fuel and some fragments of the technology of computational analysis of distribution of gas-dynamic pa
Externí odkaz:
https://doaj.org/article/b1f46900ffde457ab0e77065dd3c3161
Autor:
V. V. Ryzhkov, A. V. Sulinov
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 17, Iss 4, Pp 115-128 (2018)
The article presents an analysis of the possibility of using propulsion systems and rocket thrusters based on various physical principles and used as part of small and very small spacecraft. The parameters of efficient propulsion systems and low-thru
Externí odkaz:
https://doaj.org/article/591e0e16dc6e4221b13142d7a62746ca