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K. I. Sakodynskii S. A. Volkov K. F. Khalilov V. I. Reznikov V. Yu. Zel'venskii 《Chromatographia》1985,20(9):538-542
Summary Chromatography is carried out under the conditions of fluidization, in long, straight tubes under organized and non-organized
conditions. Under non-organized conditions the column is filled only with a sorbent. In organized conditions, either metal
coils are added into the column or a segmented column is utilized with metal grids. The results obtained are compared to those
obtained under fixed-bed conditions when the column is completely filled with the sorbent. Organized fluidized beds provide
a significant decrease in longitudinal bandspreading. 相似文献
56.
V.R. Khalilov 《Annals of Physics》2008,323(5):1280-1293
The scattering of spin-polarized electrons in an Aharonov-Bohm vector potential is considered. We solve the Pauli equation in 3 + 1 dimensions taking into account explicitly the interaction between the three-dimensional spin magnetic moment of electron and magnetic field. Expressions for the scattering amplitude and the cross section are obtained for spin-polarized electron scattered off a flux tube of small radius. It is also shown that bound electron states cannot occur in this quantum system. The scattering problem for the model of a flux tube of zero radius in the Born approximation is briefly discussed. 相似文献
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R. I. Khusnutdinov T. M. Oshnyakova L. M. Khalilov A. R. Baibuldina U. M. Dzhemilev 《Russian Journal of Organic Chemistry》2016,52(8):1121-1125
Oxidation of diamantane with 2,3,4,5,6-pentafluoroperbenzoic acid catalyzed with complexes MoO(O2)·2QOH, MoO(O2)(H2O)2 proceeds selectively affording diamantan-1-ol and diamantan-1-yl 2,3,4,5,6-pentafluorobenzoate. 相似文献
59.
Sh.?Yu.?Khazhiev M.?A.?Khusainov R.?A.?Khalikov T.?V.?Tyumkina E.?S.?Meshcheryakova L.?M.?Khalilov V.?V.?KuznetsovEmail author 《Russian Journal of General Chemistry》2018,88(3):397-402
The structure of 5,5-bis(bromomethyl)-2-phenyl-1,3-dioxane was investigated by the methods of 1Н, 13С NMR spectroscopy and X-ray analysis. The molecule exists in the chair conformation with the equatorial phenyl group. The routes of interconversion of the ring, free conformational energy and optimal conformation of the phenyl group were determined using computer modeling by the method of DFT (PBE/3ξ). The results are consistent with the data of X-ray analysis. 相似文献
60.
Sh.?Yu.?Khazhiev M.?A.?Khusainov R.?A.?Khalikov T.?V.?Tyumkina E.?S.?Meshcheryakova L.?M.?Khalilov V.?V.?KuznetsovEmail author 《Russian Journal of Organic Chemistry》2018,54(7):1076-1079
The structure of 5,5-bis(bromomethyl)-2-(4-methoxyphenyl)-1,3-dioxane has been studied by 1H and 13C NMR and X-ray diffraction. Molecules of the title compound exist in the chair conformation with equatorial orientation of the methoxyphenyl substituent. The dioxane ring inversion path, free conformational energy, and optimal conformation of the aryl group have been determined by computer simulation in terms of the DFT PBE/3ζ method. The calculation results are consistent with the X-ray diffraction data. 相似文献