Zobrazeno 1 - 10
of 95
pro vyhledávání: '"A. I. Komyak"'
Publikováno v:
Journal of Applied Spectroscopy. 82:25-32
Structural models were designed and spectral characteristics were computed based on DFT calculations for uranyl dinitrate complexes with H2O and DMSO [UO2(NO3)2·2DMSO, UO2(NO3)2·2H2O·2DMSO, UO2(NO3)2·2H2O·4DMSO]. Vibrational IR and Raman spectra
Publikováno v:
Journal of Applied Spectroscopy. 82:839-841
The effects of several metal cations and anions on complexation of tetra- and pentavalent uranium in an acetone solution of UO2(ClO4)2·5H2O irradiated by an LED (420–440 nm) were studied using electronic absorption. It was shown that addition of b
Publikováno v:
Journal of Applied Spectroscopy. 80:530-535
Structural models were designed and spectral characteristics were computed based on DFT calculations of uranium monoxide clusters (UO)2, (UO)4, (UO)6, and (UO)9. Spectral features that were characteristic of the cluster formation process were identif
Publikováno v:
Journal of Applied Spectroscopy. 79:165-172
Structural models are designed and spectral characteristics are computed based on DFT calculations for a complex of uranium tetrachloride with two molecules of dimethylsulfoxide (UCl4⋅2DMSO). The calculations were carried out using a B3LYP hybrid f
Publikováno v:
Journal of Applied Spectroscopy. 79:22-30
Structural models are designed and spectral characteristics are computed based on DFT calculations for a complex of UCl4 with two molecules of DMF (UCl4∙2DMF). The calculations were carried out using a B3LYP hybrid functional in the LANL2DZ effecti
Publikováno v:
Journal of Applied Spectroscopy. 78:719-724
Spectroscopic studies of the surface of a porous solid containing micro amounts of uranyl nitrate hexahydrate using irradiation by two sequential pulses with pulse-to-pulse intervals in the range 4–12 μs have shown that laser chemical synthesis of
Publikováno v:
Journal of Applied Spectroscopy. 78:358-364
Spectroscopic studies of the surface laser plasma formed by the action of sequential high-power double laser pulses close to a porous body containing microquantities of ammonium polyuranates showed that the intensities of uranium spectral lines that
Autor:
A. I. Komyak, P. S. Chybirai, D. S. Umreiko, M. B. Shundalau, A. P. Zazhogin, M. A. Ksenofontov
Publikováno v:
Journal of Applied Spectroscopy. 78:326-336
We present results of ab initio and DFT calculations of the structure and IR vibrational spectra of the monomer and dimers of N,N-dimethylformamide (DMF). The calculations were carried out in the B3LYP/cc-pVDZ approximation with subsequent force-fiel
Publikováno v:
Journal of Applied Spectroscopy. 77:510-515
Structural models were built and spectral characteristics were calculated based on ab initio calculations for the monomer and dimers of dioxouranium monochoride UO2Cl. The calculations were carried out in the effective core potential LANL2DZ approxim
Publikováno v:
Journal of Applied Spectroscopy. 77:255-260
Spectroscopic studies are made of the laser plasma formed near the surface of a porous body containing nanoquantities of uranium compounds which is irradiated by two successive laser pulses. The feasibility of using laser chemical methods for obtaini