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991.
E. V. Orlov 《Analysis Mathematica》2002,28(3):197-203
We obtain estimates of the norm of series with respect to the Rademacher system in terms of the coefficients of the series in question. We indicate some applications. 相似文献
992.
993.
V. V. Turovtsev E. M. Chernova V. N. Sitnikov V. N. Emel’yanenko Yu. D. Orlov 《Journal of Structural Chemistry》2016,57(3):423-430
By means of B3LYP/6-311++G(3df,3pd) the electron density distribution in the propargyl radical CH2CCH is obtained. Within the Quantum Theory of Atoms in Molecules the phenomenon of conjugation and the spin density distribution of the unpaired electron in CH2CCH are studied at the qualitative level. Characteristics of the electronic structure of CH2CCH and its parent molecules CH3–C≡CH and CH2=C=CH2 are compared. With the use of the rigid rotator-anharmonic oscillator model the thermodynamic properties of the propargyl radical and enthalpies of bond cleavage in propyne and allene are calculated in the temperature range 298-1500 K. The relationship between the electronic and thermodynamic properties of CH2CCH is considered and its conjugation energy is calculated. 相似文献
994.
N. T. Levashova N. N. Nefedov A. O. Orlov 《Computational Mathematics and Mathematical Physics》2017,57(5):854-866
A two-dimensional singularly perturbed elliptic equation referred to in applications as the reaction–diffusion equation is considered. The nonlinearity describing the reaction is assumed to be discontinuous on a certain closed curve. On the basis of the generalized asymptotic comparison principle, the existence of smooth solution is proven and the accuracy of the asymptotic approximation is estimated. 相似文献
995.
Transformations of measures, generalized measures, and functions generated by evolution differential equations on a Hilbert space E are studied. In particular, by using Feynman formulas, a procedure for averaging nonlinear random flows is described and an analogue of the law of large number for such flows is established (see [1, 2]). 相似文献
996.
997.
998.
JETP Letters - The transmittance of electromagnetic radiation of the visible range through transparent dielectric samples with an ice nanolayer on their surface has been measured. Ice has been... 相似文献
999.
V. K. Zaitsev M. I. Fedorov O. A. Golikova V. M. Orlov 《Physics of the Solid State》2001,43(9):1637-1638
The absorption coefficient of α-AlB12 was measured on single crystal samples at T=300 K within a broad spectral region (0.6–25 μm). In the region of the transparency window (3–6 μm), the absorption coefficient
was measured in the temperature range from 165 to 650 K. An analysis of the experimental data shows that the energy spectrum
of local states in the α-AlB12 bandgap has certain features. It was established that a broad band of local states lies near the conduction band and that
a trap level is located at 0.11±0.02 eV from the top of the valence band.
__________
Translated from Fizika Tverdogo Tela, Vol. 43, No. 9, 2001, pp. 1573–1574.
Original Russian Text Copyright ? 2001 by Zaitsev, Fedorov, Golikova, Orlov.
Deceased. 相似文献
1000.
Sergey A. Komykhov Sergey M. Desenko Alexander S. Kaganovsky Valery D. Orlov Herbert Meier 《Journal of heterocyclic chemistry》2000,37(1):195-196
The reaction of the heterocyclic enamine 1 with tosyl azide ( 2 ) leads to the tosylimino derivative 4 of 1,2,4‐triazolo[1,5‐a]pyrimidine. The extrusion of nitrogen from the primary adduct 3 is followed by a 1,2‐shift of a methyl group. The structure determination of 4 is based on 1H and 13C nmr spectra including NOE measurements. 相似文献