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1.
Computer processing of electronic absorption spectra of rare-earth elements in inorganic laser media
Algorithms and program modules are developed for calculation of the Judd-Ofelt parameters on modern computers. These programs can be used to perform numerical analysis of the energy absorption by rareearth ions in laser media. 相似文献
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U. G. Magomedbekov Kh. M. Gasanova U. G. Gasangadzhieva K. A. Abdulkhamidov S. Sh. Mutsalova 《Moscow University Chemistry Bulletin》2007,62(4):230-236
A possible mechanism of 1,4-naphthalenediol oxidation in the oscillatory regime has been considered, and a mathematical model describing the kinetics has been developed. Based on a thermodynamic Lyapunov function, it has been shown that the source of chemical instabilities is in the existence of autocatalytic steps and dynamic feedbacks. Qualitative analysis and numerical solution of the set of differential equations that model the reaction kinetics have been performed. The character of the stationary state and the possibility of bifurcations have been determined. The mathematical model satisfactorily describes the processes occurring in the system. 相似文献
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Shabanov A. L. Gasanova M. M. Mamedov Ch. I. 《Russian Journal of Organic Chemistry》2002,38(7):1060-1063
Stereochemistry of [2+2]- and [1+1]-macrocylization of cis-4-cyclohexene-1,2-dicarboxylic acid with 1,2-dibromoethane, 1,3-dichloro-2-propanol, and 1,5-dichloro-3-oxapentane was studied. The reaction of cis-4-cyclohexene-1,2-dicarboxylic acid with 1,2-dibromoethane according to the [2+2]-cyclization scheme gave a mixture of stereoisomeric macroheterocycles with cis,syn,cis- and cis,anti,cis-junction of the polyether and cyclohexene rings. In the reaction of cis-4-cyclohexene-1,2-dicarboxylic acid with 1,5-dichloro-3-oxapentane, a mixture of crown compounds with cis,anti,cis- and cis-junction of the polyether and cyclohexene rings was obtained. The structure of the products was established on the basis of their chemical transformations and spectral data. 相似文献
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A. I. Akhmedov N. A. Talyshova A. M. Gasanova 《Russian Journal of Applied Chemistry》2013,86(8):1314-1316
Cooligomers of 1-hexene with dicyclopentadiene were synthesized. Depending on the cooligomerization conditions, cooligomers with the molecular weight of 1000–4000, containing 10–20% dicyclopentadiene units, were obtained in a 76–92% yield. Aluminum chloride was used as the cooligomerization catalyst. The cooligomers synthesized were tested as components to M-6 and I-12A petroleum oils with the view of increasing their viscosity. The use of 25–40% cooligomer in these oils allows preparation of base oils with the viscosity index of 93–126. The resultant compounded oil possesses anticorrosive properties due to the presence of the dicyclopentadiene units in the cooligomer. 相似文献
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S. V. Kryuchkova M. Yu. Yablokova A. Yu. Alentiev L. G. Gasanova A. V. Kepman 《Moscow University Chemistry Bulletin》2017,72(3):120-127
The morphology, supramolecular structure, and gas transport properties of thin membranes of polymers with different chemical structure are studied. The relationship between the supramolecular structure of the polymers and their morphology and gas transport properties is revealed. The polymers studied represent low-permeability materials and exhibit a high degree of selectivity for different gas pairs. 相似文献
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U. V. Nasirova I. T. Nagieva L. M. Gasanova T. M. Nagiev 《Russian Journal of Physical Chemistry A, Focus on Chemistry》2011,85(12):2115-2120
A kinetic model that fits the experimental data is studied on the basis of the most probable mechanism of ethylene oxidation
by hydrogen peroxide over a biomimetic catalyst, perfluorinated iron (III) tetraphenylporphyrin, deposited on aluminum oxide
(per-FTPhPFe3+OH/Al2O3). Effective rate constants for the catalase and oxygenase reactions and their effective activation energies are found. 相似文献
9.
L. F. Mashadieva Z. T. Gasanova Yu. A. Yusibov M. B. Babanly 《Russian Journal of Inorganic Chemistry》2017,62(5):598-603
Phase equilibria in the Cu–Cu2Se–As were investigated by differential thermal analysis and X-ray powder diffraction analysis. Informative plots describing this system were constructed, viz., the polythermal sections Cu0.667Se0.333–As, Cu0.667Se0.333–Cu0.735As0.265, and Cu0.8Se0.2–As, the isothermal section of the phase diagram at 300 K, and the projection of the liquidus surface. The obtained results differ from the published data in length of fields of primary crystallization of phases and in coordinates of a number of invariant equilibrium points. 相似文献
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U. V. Nasirova L. M. Gasanova T. M. Nagiev 《Russian Journal of Physical Chemistry A, Focus on Chemistry》2010,84(6):941-945
The gas-phase monooxidation of ethylene by hydrogen peroxide on a biomimetic heterogeneous catalyst (per-FTPhPFe3+OH/Al2O3) was studied under comparatively mild conditions. The biomimetic oxidation of ethylene with hydrogen peroxide was shown to
be coherently synchronized with the decomposition of H2O2. Depending on reaction medium conditions, one of two desired products was formed, either ethanol or acetaldehyde. The kinetics
and probable mechanism of ethylene transformation were studied. 相似文献