Zobrazeno 1 - 10
of 38 919
pro vyhledávání: '"Filippov"'
Publikováno v:
Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, Vol 24, Iss 1, Pp 49-56 (2024)
The paper examines the natural frequencies of prismatic thin shells, the cross-section of which is the regular polygon. Spectra of free vibration frequencies of such shells are analyzed as the number of cross-section sides increases, provided that th
Externí odkaz:
https://doaj.org/article/06272be22f054efc8f8277ebd918ef6c
Publikováno v:
Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, Vol 24, Iss 1, Pp 138-149 (2024)
Low frequencies and vibration modes of a closed circular cylindrical shell joined with annular plates are obtained by means of asymptotic methods. Two types of vibrations, corresponding to narrow and wide plates, are analyzed. If the width of the rin
Externí odkaz:
https://doaj.org/article/136810c329c04e5b8c201cc1b2ab666c
Autor:
Filippov D.A.
Publikováno v:
Восточная Азия: факты и аналитика, Iss 4, Pp 78-90 (2023)
The article examines the views of Japanese Prime Minister Hatoyama Yukio (2009–2010) on Japan’s foreign policy and its role in the international community. Hatoyama’s views and rhetoric are analysed within the context of Japan’s political eli
Externí odkaz:
https://doaj.org/article/62e1157b86224116b78bbd8731e165cc
Publikováno v:
Известия Саратовского университета. Новая серия Серия: Физика, Vol 23, Iss 4, Pp 354-364 (2023)
Background and Objectives: Modern discrete functional semiconductor devices and structural elements of micro- and nanoelectronics use materials with anisotropy of electrical properties. In particular, such materials are crystalline thermoelectrics, l
Externí odkaz:
https://doaj.org/article/e376435406a74e228ec5b2c586d171ac
Autor:
Kozlov Artemy, Medvedev Andrey, Motorin Evgenii, Savelyev Evgeny, Temkina Valentina, Filippov Valery
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 1 (2024)
This paper presents the results of the experimental study of a fiber laser connected according to the MOPA scheme, where a power amplifier was made of an ytterbium double-clad tapered spun fiber with low intrinsic birefringence. A peak output power o
Externí odkaz:
https://doaj.org/article/f2c23a2f423645f3ae40ee57afb41e83
Autor:
FILIPPOV Pavel Alexandrovich
Publikováno v:
Правовое государство: теория и практика, Vol 19, Iss 3(73), Pp 59-65 (2023)
An urgent criminal law problem at present is a systematic analysis of doctrinal and law enforcement aspects of crimes against the order of governance, which are the fifth most common group of crimes. Purpose: to analyze the doctrinal positions of
Externí odkaz:
https://doaj.org/article/150bc2641cd64b6e865d5788ffa82c07
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 41, Iss 3, Pp 529-536 (2023)
To solve the time-free rendezvous problem of two spacecraft, the multi-criteria optimization of the relative motion trajectory of the linear motion model in an orbiting cylindrical reference frame is studied. The equations for describing the secular
Externí odkaz:
https://doaj.org/article/56d8589c10de43e492de2e88d3655735
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 16, Iss 3 (2023)
A general model approach to the problem of describing the competition and coexistence of different phases of a condensed state is considered on the basis of Landau's theory of second-order phase transitions. We show that the multicomponent order para
Externí odkaz:
https://doaj.org/article/7c4962fe9a814259aa25309c4628615b
Publikováno v:
E3S Web of Conferences, Vol 486, p 03005 (2024)
The article is devoted to the problem of air pollution and its impact on human health and the environment. The paper considers methods of air pollution analysis based on the use of neural networks, taking into account the variety of data from the Int
Externí odkaz:
https://doaj.org/article/ec8ac511d4054086aebc100df9bf86fe
Publikováno v:
ITM Web of Conferences, Vol 59, p 02001 (2024)
The paper considers the problems of ergonomic thinking, its formation and evolution when designing information systems in the conditions of socio-technogenic development of the world. Special attention is paid to the analysis of the ergonomic thinkin
Externí odkaz:
https://doaj.org/article/2a88f6c757f0458f90b1c8f117a7631b