Zobrazeno 1 - 10
of 69
pro vyhledávání: '"V. I. Kovalchuk"'
Autor:
V. I. Kovalchuk
Publikováno v:
Âderna Fìzika ta Energetika, Vol 25, Iss 1, Pp 13-18 (2024)
Within the framework of eikonal approximation and the double folding model, a formalism for calculating the inclusive spectra of particles emitted from the deuteron breakup reaction is proposed. The spectra of protons from the reaction 2H(d,p) at an
Externí odkaz:
https://doaj.org/article/78c5a5d925414efb8d7999409f17fba0
Autor:
V. I. Kovalchuk
Publikováno v:
Âderna Fìzika ta Energetika, Vol 23, Iss 1, Pp 20-25 (2022)
In the framework of eiconal approximation and the double folding model, a formalism for calculating inclusive spectra of particles from stripping and fragmentation reactions involving light cluster nuclei is proposed. The cross-section of the 12C(3He
Externí odkaz:
https://doaj.org/article/3a60deebce334ad28bcf620d2549b4ca
Autor:
V. I. Kovalchuk
Publikováno v:
Condensed Matter Physics, Vol 24, Iss 4, p 43601 (2021)
Phase transition kinetics of aqueous hydroxypropyl cellulose solution was studied by using turbidimetric monitoring and mathematical modelling techniques. Based on the nonlinear Cahn-Hilliard equation with a mobility depending on the component concen
Externí odkaz:
https://doaj.org/article/dfa3d1c620b84c8e8afd062b14eb5f57
Autor:
V. I. Kovalchuk
Publikováno v:
Âderna Fìzika ta Energetika, Vol 16, Iss 2, Pp 130-135 (2015)
Using the nuclear diffraction model and high-energy approximation with double-folding potential, the observed quasi-elastic scattering cross sections of nuclei 6He, 7Be, 8B from 12C at intermediate energies were described. The calculations were perfo
Externí odkaz:
https://doaj.org/article/ed3827e071434ef680a74b630a3e99f9
Autor:
V. I. Kovalchuk
Publikováno v:
Вестник Кемеровского государственного университета, Vol 0, Iss 2-2, Pp 106-111 (2014)
The paper describes the current state of developing pedagogical mastership of vocational training masters in vocational colleges. The author ascertains their attitude towards development of this professional quality in career development system. Data
Externí odkaz:
https://doaj.org/article/865219d7db8c4f019dd5731f793c4a63
Autor:
V. I. Kovalchuk
Publikováno v:
Âderna Fìzika ta Energetika, Vol 14, Iss 4, Pp 332-336 (2013)
Method of differential cross sections calculation has been proposed for inelastic diffractive scattering of clus-tered nuclei by even-even nuclei with excitation of low-lying collective states. The method satisfactorily de-scribes the experimental an
Externí odkaz:
https://doaj.org/article/c9e7a4707b354162b45dc31d329e1e6c
Publikováno v:
Âderna Fìzika ta Energetika, Vol 11, Iss 4, Pp 405-409 (2010)
Heat-transfer properties of “water - nanofluids” liquid system, which contains high-purity single-walled nanotubes SWCNTs, have been investigated. It was found that the relation of heat conductivity factor between the nano-structuring liquid and
Externí odkaz:
https://doaj.org/article/da6ccdf45c4d4722823d7a90803f65f9
Publikováno v:
Âderna Fìzika ta Energetika, Iss 3, Pp 22-27 (2008)
After reformulating of Faddeev equations and its reducing to the equation with one complete wave function the most complex part of this function is represented in the form of rapidly converging series on K-harmonics. The system of the connected integ
Externí odkaz:
https://doaj.org/article/e017096e06694bb0b8913768bddcddff
Autor:
V. I. Kovalchuk
Publikováno v:
Âderna Fìzika ta Energetika, Vol 8, Iss 2(20), Pp 75-78 (2007)
Using formalism of diffraction approximation, the elastic scattering of 6 Li ions from 28Si, 40Ca, and 90Zr nuclei has been investigated at an incident energy of 35 and 53 MeV per nucleon. We have considered 6 Li nucleus as a weaklybound one that
Externí odkaz:
https://doaj.org/article/8fdd6c78e4f04cbdb26ee723a31e9773
Publikováno v:
Langmuir. 39:3537-3545
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16076408baa7e66f453d60ab3b4e1671
https://doi.org/10.1021/acs.langmuir.2c03511
https://doi.org/10.1021/acs.langmuir.2c03511