Zobrazeno 1 - 10
of 447
pro vyhledávání: '"Leonidov, A."'
Autor:
Roman A. Shishkin, Dmitry V. Chaikin, Ilya Weinstein, Ivan I. Leonidov, Valeriya S. Kudyakova, D. A. Zamyatin
Publikováno v:
Ceramics International. 47:16876-16881
Composite ceramics of titanium nitride grains incorporated in an aluminium nitride matrix have been synthesized by high pressure high temperature treatment of a mechanical mixture of AlN–TiN (3 mol % TiN) powders. The microstructure of the samples
Autor:
Ilia A. Leonidov, Andrey V. Chukin, Ivan I. Leonidov, Alexey A. Markov, Rina F. Samigullina, E. I. Konstantinova
Publikováno v:
Journal of Materials Chemistry A. 8:16497-16505
The electron conductors Sr0.5Ca0.5Mn1−xVxO3−δ (x = 0.025, 0.05, and 0.1) synthesized via the citrate–nitrate route have been characterized by powder X-ray diffraction at room temperature and at high temperatures in air. At room temperature, th
Autor:
N.F. Eremeev, Vladislav A. Sadykov, Nikolay V. Lyskov, L. G. Shcherbakova, Mikhail V. Patrakeev, A. Kežionis, Sergei A. Chernyak, E.M. Sadovskaya, K.I. Shefer, T. Šalkus, Ilia A. Leonidov, A.V. Shlyakhtina
Publikováno v:
International Journal of Hydrogen Energy. 46:16965-16976
In the present work erbium and thulium molybdates Ln5.5MoO11.25−δ (Ln = Er and Tm) with fluorite and Ln6MoO12−δ (Ln = Er and Tm) with bixbyite structure have been studied. The materials have been obtained by mechanical activation method followe
Autor:
N. V. Leonidov
Publikováno v:
Космические аппараты и технологии, Vol 5, Iss 1, Pp 44-50 (2021)
The purpose of this article is to analyze the existing algorithms of autonomous control of the integrity of the navigation field of the GLONASS system. The analysis is based on domestic materials and official foreign applications. At the beginning of
Autor:
Alexander V. Leonidov
Publikováno v:
Volume 28, Number 6, 2020. :118-126
The article describes the stages of transformation of the direct and diffused components of solar radiation in the short-wave and long-wave spectral channels of the human circadian activity control path. The method of determination of the dependences
Publikováno v:
Russian Journal of Applied Chemistry. 93:1326-1331
Qualitative and quantitative analysis of the publication activity of chemical institutions of the Russian Academy of Sciences within the jurisdiction of the Ministry of Science and Higher Education of the Russian Federation in the period 2015–2019
Autor:
O. I. Ivanov, A. V. Kolobov, E. E. Serebryannikova, V. V. Koroleva, A. V. Leonidov, A. M. Kovalenko
Publikováno v:
Bulletin of the Lebedev Physics Institute. 47:223-227
Topological properties of the co-authorship graph are considered as applied to the physical studies in Russia for 2012–2018. Objects of the study are two various weighted graphs; in the first one, edge weights correspond to the number of joint pape
Publikováno v:
Pharmaceutical Chemistry Journal. 54:389-403
Information on the use of detonation nanodiamonds (DNDs) in biomedical applications is reviewed. Literature data and our own results on the preparation of DND conjugates with biologically active compounds and the in vivo distribution of nanodiamonds
Autor:
Alexander V. Leonidov
Publikováno v:
Volume 28, Number 2, 2020. :61-66
The article formulates the analytic expression approximating the sequence of Gregorian 11-year solar cycles and the expression of solar activity within one cycle. The dependences of effective thermodynamic temperature of the Sun photosphere and the s
Publikováno v:
Journal of Communications Technology and Electronics. 65:188-192
The necessity of determining the current operating frequency in radar system transmission modules is discussed. A frequency detector has been developed and simulated and its main elements designed—a power divider and microstrip filters. The main cr