Zobrazeno 1 - 10
of 82
pro vyhledávání: '"P. G. Petrov"'
Publikováno v:
Омский научный вестник, Vol 4 (166), Pp 23-28 (2019)
The article describes a method for assessing the state of commutation of traction DC electric motors of BELAZ dump trucks based on processing data obtained using an automated video measuring commutation complex. The developed algorithm for the fo
Externí odkaz:
https://doaj.org/article/3bed0b27d4e54da39fac20a19e6e5719
Publikováno v:
Омский научный вестник, Vol 2 (158), Pp 27-32 (2018)
The article presents a mathematical model of a dump truck BelAZ traction drive’s EDP-800collector-brush assembly and the calculation of temperature rised in stationary mode. Using thermoimaging the temperature points at the nodes of the collect
Externí odkaz:
https://doaj.org/article/861730ca6bc14e439b085f46803998ba
Autor:
Igor G. Petrov
Publikováno v:
Этническая культура, Vol 6, Iss 2, Pp 8-15 (2024)
Clothes perform many functions functions. One of them is the ritual function, according to which it becomes an important tool or object of various magical practices. In this article, using the example of the сhuvashs of the Volga-Ural region, the fu
Externí odkaz:
https://doaj.org/article/8b3e9a2bbcf54a21ae3e4e30cedd2552
Autor:
Mikhail A. Gerasimov, Petr I. Matveev, Mariia V. Evsiunina, Enni. K. Khult, Paulina Kalle, Valentine S. Petrov, Pavel S. Lemport, Vladimir G. Petrov, Galina V. Kostikova, Yuri A. Ustynyuk, Valentine G. Nenajdenko
Publikováno v:
Molecules, Vol 29, Iss 15, p 3548 (2024)
A systematic study of extraction systems for the separation of f-elements using the tetradentate N,O-donor diamide of 1,10-phenanthroline-2,9-dicarboxylic acid (L) in various molecular and ionic solvents was performed. It was demonstrated that the na
Externí odkaz:
https://doaj.org/article/19a34f9b200f445f9a13d7e7d4dfa7b1
Publikováno v:
Physical Review X, Vol 5, Iss 3, p 031004 (2015)
Quantum states of light can improve imaging whenever the image quality and resolution are limited by the quantum noise of the illumination. In the case of a bright illumination, quantum enhancement is obtained for a light field composed of many squee
Externí odkaz:
https://doaj.org/article/4fc554e7539540cdb167b95688de6605
Autor:
Igor G. Petrov
Publikováno v:
Этническая культура, Vol 5, Iss 2, Pp 15-21 (2023)
The article deals with the issues of modern existence of the cleansing rite of the spring cycle sĕren among the Chuvash living on the territory of the Republic of Bashkortostan. This topic has not yet become an object of scientific study, which dete
Externí odkaz:
https://doaj.org/article/b76bcc9021414729b14cf0fd8cdddecb
Autor:
Pavel S. Lemport, Valentine S. Petrov, Petr I. Matveev, Uliana M. Leksina, Vitaly A. Roznyatovsky, Igor P. Gloriozov, Alexandr V. Yatsenko, Viktor A. Tafeenko, Pavel V. Dorovatovskii, Viktor N. Khrustalev, Gleb S. Budylin, Evgeny A. Shirshin, Vitaliy Yu. Markov, Alexey A. Goryunkov, Vladimir G. Petrov, Yuri A. Ustynyuk, Valentine G. Nenajdenko
Publikováno v:
International Journal of Molecular Sciences, Vol 24, Iss 12, p 10261 (2023)
A reaction of acyl chlorides derived from 1,10-phenanthroline-2,9-dicarboxylic acids with piperazine allows the preparation of the corresponding 24-membered macrocycles in good yield. The structural and spectral properties of these new macrocyclic li
Externí odkaz:
https://doaj.org/article/1e6b8200d4bc408eb8e327a7a6c30a94
Autor:
D. G. Petrov
Publikováno v:
Бюллетень Почвенного института им. В.В. Докучаева, Vol 0, Iss 105, Pp 109-145 (2021)
The work is devoted to the analysis of the regularities of the movement of charcoal particles in the ecosystems of the middle taiga, northern taiga and southern tundra experiencing the influence of fires. Since coniferous vegetation is subjected to i
Externí odkaz:
https://doaj.org/article/517de75b69c04ba99e1aa5b13b3b2933
Autor:
Nane A. Avagyan, Pavel S. Lemport, Mariia V. Evsiunina, Petr I. Matveev, Svetlana A. Aksenova, Yulia V. Nelyubina, Alexandr V. Yatsenko, Viktor A. Tafeenko, Vladimir G. Petrov, Yuri A. Ustynyuk, Xihe Bi, Valentine G. Nenajdenko
Publikováno v:
International Journal of Molecular Sciences, Vol 24, Iss 6, p 5569 (2023)
Three pyrrolidine-derived phenanthroline diamides were studied as ligands for lutetium trinitrate. The structural features of the complexes have been studied using various spectral methods and X-ray. The presence of halogen atoms in the structure of
Externí odkaz:
https://doaj.org/article/097434a9004e4d4d97e2cb55489403a0
Publikováno v:
Polymers, Vol 15, Iss 6, p 1458 (2023)
Regarding a wide variety of PCMs, the materials’ strength properties which decrease no more than 20% after 30 years of operation are of special interest. One of the important regularities of the climatic aging of PCMs is the formation of gradients
Externí odkaz:
https://doaj.org/article/91655830c2b844cb9942d8dce3552905