Zobrazeno 1 - 10
of 199
pro vyhledávání: '"Alexander A. Kovalev"'
Autor:
Alexandra S. Tyan, Grigoriy G. Karmazanovskij, Natalia A. Karelskaya, Evgeniy V. Kondratyev, Alexander D. Kovalev
Publikováno v:
Digital Diagnostics, Vol 5, Iss 1S, Pp 121-123 (2024)
BACKGROUND: Prostate cancer is currently the second most commonly diagnosed cancer in men. The second edition of the Prostate Imaging Magnetic Resonance Imaging Data Assessment and Reporting System (PI-RADS) was released in 2019 to standardize the di
Externí odkaz:
https://doaj.org/article/aef73483d32a40b9a8908b6378705598
Autor:
Nikolai A. Poklonski, Andrey A. Khomich, Ivan A. Svito, Sergey A. Vyrko, Olga N. Poklonskaya, Alexander I. Kovalev, Maria V. Kozlova, Roman A. Khmelnitskii, Alexander V. Khomich
Publikováno v:
Applied Sciences, Vol 13, Iss 10, p 6221 (2023)
Raman spectroscopy and magnetic properties of the natural single crystalline diamonds irradiated with high fluences of fast reactor neutrons have been investigated. Raman spectra transformations were studied in the range from moderate levels up to ra
Externí odkaz:
https://doaj.org/article/396d5cb4b468446aa656dce812734ab5
Publikováno v:
Управленческое консультирование, Vol 0, Iss 5, Pp 112-119 (2018)
In the article new approaches to information support of innovative activity of the enterprise in questions of formation and updating of databases of technical information, getting of information, competitive fight and an assessment of a demand of own
Externí odkaz:
https://doaj.org/article/1b4069e2b10e4f758fb81c94e3fbf2f9
Publikováno v:
Advanced Theory and Simulations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc26971732f70bc11cd2ad56aff20596
https://doi.org/10.1002/adts.202300055
https://doi.org/10.1002/adts.202300055
Structure and Magnetic Properties of SrFe12−xInxO19 Compounds for Magnetic Hyperthermia Applications
Autor:
Polina I. Nikolenko, Timur R. Nizamov, Igor G. Bordyuzhin, Maxim A. Abakumov, Yulia A. Baranova, Alexander D. Kovalev, Igor V. Shchetinin
Publikováno v:
Materials; Volume 16; Issue 1; Pages: 347
In this work, complex studies of the structure and magnetic properties of SrFe12−xInxO19 powders obtained by the mechanochemical and citrate methods were carried out. The solubility of In in strontium hexaferrite SrFe₁₂O₁₉ at 1200 °C was d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efd17887789443181ff0780f289471ed
Autor:
Alexander S. Kovalev
Publikováno v:
Low Temperature Physics. 47:774-783
In the framework of the classical equations for the magnetization dynamics and the collective variables approximation, the dynamics of magnetic vortices in two-dimensional ferromagnets with the easy-plane anisotropy and spatially inhomogeneous exchan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4f18da241e5a3f5c8f48c7635ef15ad
https://doi.org/10.1063/10.0005800
https://doi.org/10.1063/10.0005800
Autor:
Alexander S. Kovalev
Publikováno v:
Journal of Siberian Federal University. Humanities & Social Sciences. 14:1239-1250
The first half of the XX century was the time when the model of disability, the main feature of which was the inability to work, was being formed in Russia. Basing on unknown documents from Siberian archives, this article analyses the transformation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5d4b9d9e1daf7bb1679e26e15cd8dfa
https://doi.org/10.17516/1997-1370-0800
https://doi.org/10.17516/1997-1370-0800
Autor:
Alexander S. Kovalev
Publikováno v:
Theoretical and Mathematical Physics. 206:335-348
We consider the question of the possible existence of two-parameter envelope solitons in weakly dispersive media with an acoustic spectrum of linear waves. We propose an asymptotic procedure for finding such soliton solutions in the one-dimensional c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b5ccb6740c51a9cefeb0f652baa10e7
https://doi.org/10.1134/s0040577921030065
https://doi.org/10.1134/s0040577921030065
Autor:
Y. E. Prilepskii, Alexander S. Kovalev
Publikováno v:
Low Temperature Physics. 46:1083-1093
In the framework of the discrete self-trapped model and its generalizations, the dynamics of two nonlinear elements of different physical origin is considered. The influence on the dynamics of their own nonlinearity, various types of interaction nonl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fea42c626fd0f07e7919d711534dd559
https://doi.org/10.1063/10.0002151
https://doi.org/10.1063/10.0002151
Publikováno v:
Low Temperature Physics. 46:856-862
In the framework of the Landau–Lifshitz equations for discrete systems, the dynamics of two classical magnetic moments modeling weakly coupled magnetic nanodots, layers of quasi-two-dimensional magnets and two-sublattice magnets are considered. Exa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ddd1362f81649d3744a72c73eb16f30c
https://doi.org/10.1063/10.0001554
https://doi.org/10.1063/10.0001554