Zobrazeno 1 - 10
of 1 098
pro vyhledávání: '"Ishkov, A. A."'
Autor:
Anton L. Maksimov, Aleksandr G. Ishkov, Andrei A. Pimenov, Konstantin V. Romanov, Andrei M. Mikhailov, Evgenii A. Koloshkin
Publikováno v:
Записки Горного института, Vol 265, Pp 87-94 (2024)
Physico-chemical aspects determine the efficiency and competitiveness of hydrogen production technologies. The indicator of water consumption is especially relevant, since water is one of the main sources of hydrogen in almost all methods of its prod
Externí odkaz:
https://doaj.org/article/6556276471f5481ca7a67f1b77bf7c72
Publikováno v:
Журнал органічної та фармацевтичної хімії, Vol 21, Iss 4, Pp 11-17 (2023)
A simple two-stage method for the synthesis of isomeric esters of 2-chloroquinoline-5-, 6-, 7-carboxylic acids by successive oxidation and chlorination reactions of methyl quinoline-5-, 6-, 7-carboxylates has been developed. The target compounds have
Externí odkaz:
https://doaj.org/article/b306a7e5ebd447ddbd9f778cd42c309f
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:
Надежность и качество сложных систем, Iss 4 (2024)
Background. In polarization radar systems with synthetic aperture (SAR), in comparison with conventional ones that use the emission and reception of signals of a fixed polarization, an additional emission channel and three additional reception chan
Externí odkaz:
https://doaj.org/article/9bfabcf75b9a434ba8c5ba860fa7a76b
Publikováno v:
Мінеральні ресурси України, Iss 1, Pp 23-34 (2023)
The results of long-term geochemical studies of the content of metals: aluminum, mercury, chromium, manganese, iron, zinc, cobalt, nickel and vanadium are presented, as well as the total concentration of these metals and sulfur in oils from 36 deposi
Externí odkaz:
https://doaj.org/article/54cf2dc4e7bc463e8d8974aaead43f8a
Publikováno v:
Медична наука України, Vol 19, Iss 1, Pp 89-97 (2023)
Background. The spread of a new strain of SARS-CoV-2 and the pandemic that caused it has led to huge changes around the world. So, it reminded us again about the importance of developing measures for the prevention of infections that transmitted by a
Externí odkaz:
https://doaj.org/article/3cb2bebbd7414aa7b110d728db960e4b
Publikováno v:
Нанотехнологии в строительстве, Vol 14, Iss 6, Pp 466-474 (2022)
ABSTRACT: Introduction. Advanced technologies inspire people by demonstrating the latest achievements (materials, methods, systems, technologies, devices etc.) that dramatically change the world. This, first of all, concerns nanotechnological inventi
Externí odkaz:
https://doaj.org/article/c13adb803158436abf635e27f919a62f
Publikováno v:
In Transportation Research Procedia 2023 68:670-679
Autor:
Kamenchukov, Alexey, Alekseeva, Irina, Ishkov, Aleksey, Zagidullin, Ramil, Kiyamov, Ilgam, Sabitov, Linar
Publikováno v:
In Transportation Research Procedia 2023 68:647-653
Autor:
Ishkov Alexander, Krupnov Yuriy
Publikováno v:
E3S Web of Conferences, Vol 549, p 08031 (2024)
The authors reveal some problems in education, which can be solved by the means of blockchain technology. Such problems as authentication of documents on education, confirmation of higher education institutions accreditation, identification of studen
Externí odkaz:
https://doaj.org/article/863a04df565d44a1bb5f703cd776985f