Zobrazeno 1 - 10
of 401
pro vyhledávání: '"A V Kostin"'
Autor:
Aleksey V. Kostin
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 26, Iss 4, Pp 38-47 (2024)
Background. The need to analyze the thermal effect of two external parallel conductors is due to an increase in the density of the conductive pattern. For printed circuit boards set on a metal base and operating in the vacuum of space, this need is a
Externí odkaz:
https://doaj.org/article/8c1ad3d71df14f3b8c914e0df8dc8fe4
Publikováno v:
Вестник Научно-исследовательского института железнодорожного транспорта, Vol 82, Iss 1, Pp 18-24 (2023)
Introduction. The new Rules for the perishable freight conveyance have changed the structure of freight flows towards higher volumes of transportation in special isothermal vehicles. When choosing them, the shipper should know the estimated period of
Externí odkaz:
https://doaj.org/article/d4c90076a3d74dc8bab95b460d67797d
Autor:
Alexey V. Kostin
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 25, Iss 4, Pp 59-66 (2022)
The article presents the results of the analysis of heating of printed circuit conductors of printed circuit boards mounted on a metal base, on-board device of spacecraft when pulsed current flows through them. Thermal transient and impulse character
Externí odkaz:
https://doaj.org/article/592c14187e2f4e74b32a8284cc86994f
Publikováno v:
Надежность и качество сложных систем, Iss 3 (2023)
Background. An analysis is made of the thermal effect of two internal parallel printed circuit board conductors located in one layer, which are installed on a metal base (on top of each other) and operate in space vacuum conditions. The purpose of th
Externí odkaz:
https://doaj.org/article/dcc16e3a1c3e4afeb61cc6d11ed21222
Publikováno v:
Вестник Научно-исследовательского института железнодорожного транспорта, Vol 81, Iss 3, Pp 240-246 (2022)
Introduction. The tasks of increasing energy saving in heating systems for passenger cars of diesel trains are currently relevant. As an alternative source of energy for these systems, the possibility of using the waste heat of the diesel locomotive
Externí odkaz:
https://doaj.org/article/29fc763ba44c4a48b6ea1bb954342aae
Autor:
Aleksey V. Kostin
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 24, Iss 3, Pp 80-91 (2021)
The article proposes a refined method for calculating the width of the conductors of printed circuit boards on a metal base for the onboard devices of spacecraft, depending on the current flowing. The constructed refined mathematical model of the pro
Externí odkaz:
https://doaj.org/article/4e2e8d29fc7a49fba5856709c4c74193
Publikováno v:
Омский научный вестник, Vol 3 (177), Pp 20-23 (2021)
The article deals with the issue of checking the operability of electrical equipment of armored vehicles. This issue is relevant, due to the need to maintain constant combat readiness of armored vehicles. The system is saturated with automated an
Externí odkaz:
https://doaj.org/article/c64c58d59fc5439eb1ff8648f46bdb73
Publikováno v:
Неотложная медицинская помощь, Vol 10, Iss 1, Pp 187-195 (2021)
Crohn’s disease (CD) is nonspecific granulomatous inflammatory disease of all layers of the intestinal wall, characterized by a variety of clinical forms, heterogeneity of age groups of children and extraintestinal manifestations. The diagnosis of
Externí odkaz:
https://doaj.org/article/c88dee77991a46e8b85b062f55fccb9b
Publikováno v:
Вестник Научно-исследовательского института железнодорожного транспорта, Vol 80, Iss 1, Pp 30-34 (2021)
Maintaining optimal parameters of the microclimate in the car along the route is the most important requirement for the passenger’s travel. In the 1st class passenger cars, maintaining optimal microclimate parameters is achieved through the operati
Externí odkaz:
https://doaj.org/article/e11978abca364ab2a1a6fb0d3b539a2f
Publikováno v:
Вестник Научно-исследовательского института железнодорожного транспорта, Vol 79, Iss 6, Pp 360-364 (2021)
Delivery of perishable freights in proper quality essentially depends on the correct choice of a special vehicle and the correct calculation of the delivery time. According to the requirements of the Rules for the transportation of perishable freight
Externí odkaz:
https://doaj.org/article/11f31bcf73574831b887c7909bdf1c78