Zobrazeno 1 - 10
of 24
pro vyhledávání: '"V. A. Khvostova"'
Publikováno v:
Russian Chemical Bulletin. 54:2452-2455
1H NMR spectra in CDCl3 of poly(N-vinylpyrrolidone), epoxidized poly(N-vinyl-pyrrolidone), and products derived from the latter by modification with amino acids (glycine, β-alanine, γ-aminobutyric acid, and e-aminocaproic acid) were examined. The 1
Autor:
R. I. Tashmukhamedov, M. V. Klyagina, M. I. Shtil'man, Aristidis Tsatsakis, V. Yu. Khvostova, A. V. Goryachaya
Publikováno v:
International Polymer Science and Technology. 36:17-18
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 38:2282-2286
Substitution of water in the ruthenium(IV) aquacomplex by chloride and bromide in media of various compositions is studied spectrophotometrically. Changing the supporting electrolyte in the series Na-Li-H shifts the equilibrium for formation of the c
Publikováno v:
Glass and Ceramics. 39:231-234
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 26:2024-2027
Using spectrophotometry the authors have investigated complexing in the system Ru(IV)-Cl−-Br−. They have identified the formation of mixed-ligand chloro-bromo complexes of Ru(IV) and determined the equilibrium constants of reactions of formation
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 23:277-281
1. The interaction of perchlorate solutions of Ru(IV) with Br− at room temperature and an ionic strength 4.0 M (NaClO4, NaBr) was studied spectrophotometrically in the interval of Br− concentrations 0.00–4.00 M. 2. Equilibrium in solutions with
Publikováno v:
International Geology Review. 25:922-932
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 26:2242-2245
1. Using spectrophotometry the authors have investigated the state of Os(IV) in hydrochloric acid solutions without maintenance of a constant ionic strength. At 90°C, aquation, hydrolysis, and apparently reduction of Os(IV) to Os(III) take place in
Publikováno v:
Soviet mining science. 6:412-416
Autor:
F. M. Shkutina, V. V. Khvostova
Publikováno v:
Theoretical and Applied Genetics. 41:109-119
A cytological investigation of 15 different 56-chromosome Triticale and 16 Triticale with 42 chromosomes was carried out. 4 were primary Triticale and 12 were secondary Triticale. Chromosome pairing was not disturbed; 21 and 28 bivalents were found i