Zobrazeno 1 - 10
of 578
pro vyhledávání: '"A. M. Lytvynenko"'
Autor:
V. V. Zakharenko, O. O. Kostenko, O. O. Konovalenko, D. M. Vavriv, S. L. Prosvirnin, Y. M. Yampolski
Publikováno v:
Radio Physics and Radio Astronomy, Vol 29, Iss 2, Pp 137-169 (2024)
This paper is an attempt of paying tribute to the memory of Leonid Mykolayovych Lytvynenko (LML), an outstanding Ukrainian scientist, Full Member of the National Academy of Sciences who worked most fruitfully in the fields of radio science and radio
Externí odkaz:
https://doaj.org/article/b8793cf8fac24e179c75f0a58405a629
Akademický článek
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Autor:
V. K. Gavrikov, L. M. Lytvynenko, V. V. Myshenko, O. V. Polikarpov, A. M. Korolev, D. L. Chechotkin, I. S. Spevak
Publikováno v:
Radio Physics and Radio Astronomy, Vol 29, Iss 2, Pp 105-112 (2024)
Subject and Purpose. The sources of errors are identified that may arise in the course of terahertz-range measurements of the dielectric constant of weakly absorbent dielectrics, if performed within the surface plasmon resonance (SPR) technique. Poss
Externí odkaz:
https://doaj.org/article/9dd70df2ca894079823ca0fb1798eaab
Publikováno v:
Akademičnij Oglâd, Vol 2, Iss 59, Pp 173-189 (2023)
The article examines the effects of changes in the activity of domestic business during the war, as a result of the system of unfavorable factors. The authors analyze the possibilities of using different types of mathematical models to reproduce th
Externí odkaz:
https://doaj.org/article/527a7fa44ea4481f862e781fdf4f2031
Publikováno v:
Akademičnij Oglâd, Vol 1, Iss 58, Pp 205-219 (2023)
The article examines the problems of the emergence and development of the flow of refugees from Ukraine during the first half of 2022 as a complex phenomenon that depends on rational (economic) and irrational (social-psychological) factors. The phe
Externí odkaz:
https://doaj.org/article/f4b863a2a1b24cb088a5643e1d5911dc
Publikováno v:
Akademičnij Oglâd, Vol 2, Iss 57, Pp 171-186 (2022)
The article examines the problems of changing priorities in staff motivation during the crisis and post-crisis period, as a complex socio-psychological phenomenon that can be explained with the help of behavioral economics. On the basis of a theore
Externí odkaz:
https://doaj.org/article/e534d71db9f245da9c508b1d4ef2d610
Publikováno v:
Radio Physics and Radio Astronomy, Vol 27, Iss 3, Pp 167-180 (2022)
Subject and Purpose. Considered in the paper is diffraction of a plane wave by a structure involving a half-plane and two disks. The disks and the half-plane, lying within parallel planes, are assumed to be infinitely thin and perfectly conducting. T
Externí odkaz:
https://doaj.org/article/bb6baa5307dc4243bc5d935e6a6d0659
Publikováno v:
Radio Physics and Radio Astronomy, Vol 27, Iss 2, Pp 083-092 (2022)
Subject and Purpose. The paper presents results of numerical modeling and experimental studies of a disk-shaped microstrip antenna involving ‘meander’ type slotted inhomogeneities. The work has been aimed at optimizing the operating range of the
Externí odkaz:
https://doaj.org/article/e22422107ab141989f2a0e4199233dd5
Publikováno v:
Radio Physics and Radio Astronomy, Vol 26, Iss 4, Pp 350-357 (2021)
Purpose: The problem of a plane electromagnetic wave diffraction by an annular slot in the perfectly conducting zero thickness plane is considered. As a dual problem, the problem of diffraction by a perfectly conducting zero thickness ring is also co
Externí odkaz:
https://doaj.org/article/f2699ed8a2774a1a96196d28583b4be1
Publikováno v:
Клінічна хірургія, Vol 88, Iss 5-6, Pp 75-80 (2021)
Objective. To investigate the impact of the sorbtion-aspiration drainage system on background of hydroxyapatite and zinc oxide on experimental peritonitis. Materials and methods. The experiment was performed on 55 white laboratory rat males, agein
Externí odkaz:
https://doaj.org/article/7cbecd673f4f448ca48a7600c359b7d1