Zobrazeno 1 - 10
of 186
pro vyhledávání: '"Olga A. Egorova"'
Autor:
Mikhail I. Skvortsov, Kseniya V. Proskurina, Evgeniy V. Golikov, Alexander V. Dostovalov, Alexey A. Wolf, Zhibzema E. Munkueva, Sofia R. Abdullina, Vadim S. Terentyev, Olga N. Egorova, Sergey L. Semjonov, Sergey A. Babin
Publikováno v:
Photonics, Vol 11, Iss 2, p 103 (2024)
Femtosecond (fs) laser inscription technology allows for the production of in-fiber disordered structures with an enhanced level of Rayleigh backscattering with relatively few induced losses. These properties enable the application of these structure
Externí odkaz:
https://doaj.org/article/313a8e124f894e719f5876813ce9e808
Autor:
Olga N. Egorova
Publikováno v:
Этническая культура, Vol 4, Iss 2, Pp 6-12 (2022)
The work is devoted to the analysis of ethnographic records of the doctor of historical sciences, professor N. V. Nikolsky about the Chuvashs of the village of Apanasovo-Temyashi, Yalchik district of the Chuvash Republic, stored in the scientific arc
Externí odkaz:
https://doaj.org/article/6caba913133b45dfb2f7e17271208b02
Autor:
Mikhail I. Skvortsov, Kseniya V. Proskurina, Evgeniy V. Golikov, Alexander V. Dostovalov, Vadim S. Terentyev, Olga N. Egorova, Sergey L. Semjonov, Sergey A. Babin
Publikováno v:
Photonics, Vol 10, Iss 6, p 679 (2023)
A distributed Bragg reflector (DBR) laser with a specially designed, heavily Er3+-doped composite fiber of a length as short as 1.8 cm is demonstrated. The DBR laser, pumped by a 980 nm laser diode with power of up to 370 mW, generates single-frequen
Externí odkaz:
https://doaj.org/article/34b4f3e913634b48822e6d0eeb87e8c7
Publikováno v:
INCAS Bulletin, Vol 12, Iss S, Pp 53-66 (2020)
In aerospace systems and automotive industry flexible elastic and thin-walled structures are widely used. The adequate mathematical models are in the process of development as well as numerical algorithms for examination of the features of processes
Externí odkaz:
https://doaj.org/article/9704aa6d22d94d95aa5d13ae61087c35
Autor:
Olga V. EGOROVA, Eduard I. STAROVOITOV
Publikováno v:
INCAS Bulletin, Vol 12, Iss S, Pp 67-77 (2020)
The plane non-stationary problem of the dynamics of a thin elastic shell in the form of a hyperbolic cylinder immersed in a liquid under the action of an oblique acoustic pressure wave is considered. To solve this problem, a system of equations is co
Externí odkaz:
https://doaj.org/article/fcfe04c245d44cf2b5b4eb516100c87b
Autor:
Nataliya A. Ilyushina, Olga V. Egorova, Gleb V. Masaltsev, Nataliya S. Averianova, Yulia A. Revazova, Valerii N. Rakitskii, Marina Goumenou, Alexander Vardavas, Polychronis Stivaktakis, Aristidis Tsatsakis
Publikováno v:
Toxicology Reports, Vol 7, Iss , Pp 1090-1094 (2020)
Genotoxicity of the mixture of generic pesticides imidacloprid + imazalil + tebuconazole in a ratio of 14.0/1.7/1.0 by weight was assessed using Ames test (Salmonella typhimurium) and micronucleus test in vivo on mammalian bone marrow erythrocytes (C
Externí odkaz:
https://doaj.org/article/aaec6e7216c046c2beea40c54d6ca9b2
Autor:
Olga V Egorova
Publikováno v:
RUDN Journal of Economics, Vol 27, Iss 2, Pp 280-289 (2019)
This article is devoted to the organization of agricultural production of feed. Studied basic views on the definition of “fodder” and “fodder base”, and their relationship to agriculture. On the basis of the system approach the main factors i
Externí odkaz:
https://doaj.org/article/c8947ecd47d5406eb7ddc88300c71ea3
Autor:
Maksim Yu. Koptev, Olga N. Egorova, Oleg I. Medvedkov, Sergey L. Semjonov, Boris I. Galagan, Sergey E. Sverchkov, Boris I. Denker, Alexander E. Zapryalov, Arkady V. Kim
Publikováno v:
Photonics, Vol 9, Iss 10, p 760 (2022)
Fiber single-frequency lasers are currently being actively developed, primarily due to the growing number of applications that require compact and reliable narrow-band sources. However, the most developed single-frequency fiber lasers based on phosph
Externí odkaz:
https://doaj.org/article/d7b52c47a3214f0f94472253bfa012f2
Publikováno v:
INCAS Bulletin, Vol 11, Iss S, Pp 25-31 (2019)
In the dynamic and quasi-static statements, the issue of non-stationary deformation and stability of the solid propellant rocket engine (SPRE) was approximately solved. It is modeled by a thin, smooth cylindrical shell, inside of which, on a part of
Externí odkaz:
https://doaj.org/article/9e2fde88640045fa972acf9bb988e929
Publikováno v:
INCAS Bulletin, Vol 11, Iss S, Pp 17-24 (2019)
The problem of dynamic deformation of a plate with a two-layer composite shell with a heat-shattering coating collapsing in time under the action of a running load is solved approximately. The problem is solved in a dynamic formulation, considering t
Externí odkaz:
https://doaj.org/article/c247f1a2d34841ef9524175053286154