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1.
T. Yu. Gumerov A. F. Dobrynina R. A. Yusupov V. P. Barabanov 《Russian Journal of Applied Chemistry》2006,79(12):1935-1939
The behavior of real disperse systems with organic impurities was examined under conditions of destabilization by inorganic coagulants. A number of physicochemical methods of analysis and a simulation method were used to identify the character and type of the complexes formed and to calculate their stability constants. 相似文献
2.
Conclusions Charge separation in solutions of liposomes sensitized by MP at low temperatures and apparently also at 20°C takes place according to a mechanism of two-quantum photoionization of dimeric molecules of the metalloporphyrins.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 277–282, February, 1985. 相似文献
3.
Umarova N. N. Movchan N. I. Yusupov R. A. Korolev E. A. Morozov V. P. 《Russian Journal of General Chemistry》2003,73(7):999-1004
Ion exchange of silver(I) on thin polycrystalline PbS films in 10-
5-10-
2 M aqueous solutions of AgNO3 at 20-60°C was studied by X-ray fluorescence, atomic-absorption, and X-ray diffraction methods and by transmission electron microscopy. Since, under the given experimental conditions, diffusion of Ag(I) ions in a solid is the limiting stage of the process, the experimental kinetic dependences can be adequately described by the Fick equation for both semi-infinite medium and restricted plane at steady source of a diffusant on the surface. 相似文献
4.
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6.
An x-ray structural analysis has been made with the aim of reliably determining the spatial structure of the sesquiterpene lactone ajafinin. It has been established that it has the structure and configuration of 1,2--epoxy-3,4,10-trihydroxy-5,6(H),7(H)-guai-11(13)-en-6,12-olide.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 291–295, May–June, 1986. 相似文献
7.
Summary On the basis of IR, PMR, and mass spectra and chemical transformations, the alkaloid kesselringine isolated from the epigeal parts ofColchicum kesselringii Rgl. has been shown to have the structure of 2,11-dihydroxy-12-methoxyhexahydro-1,12-epoxyhomoproaporphine with the R absolute configuration at the C6a atom.V. I. Lenin Tashkent State University. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 350–354, May–June, 1976. 相似文献
8.
From a fraction of the bases ofColchicium kesselringii Rgl., growing in the Tashkent Province, a new compound which has been called isoregelinone has been isolated. On the basis of spectral characteristics, especially the INDOR spectrum, and chemical transformations, a structure epimeric with that of regelinone has been proposed for it.V. I. Lenin Tashkent State University. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 195–199, March–April, 1981. 相似文献
9.
G. R. Rakhmonberdiev A. S. Sidikov R. D. Yusupov U. N. Zainutdinov D. S. Kazantseva 《Chemistry of Natural Compounds》1998,34(2):192-194
Hemostatic resorbent polymeric materials have been synthesized from water-soluble acetylcellulose, lagochilin, and lagohirsin. The substances obtained possess an effective hemostatic action and have a water-soluble form.Tashkent Institute of Chemical Technology. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 238–241, March–April, 1998. 相似文献
10.
U. A. Abdullaev Ya. V. Rashkes M. I. Yusupov Sh. Z. Kasymov 《Chemistry of Natural Compounds》1981,16(6):568-571
The mass spectra of four guaianolides with epoxy groups of C1–C2 have been studied. A mechanism is proposed for the formation of the main ions. The origin of the secondary fragments has been confirmed by measurements of elementary compositions.Institute of the Chemistry of Plant Substances of the Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 796–800, November–December, 1980. 相似文献