Zobrazeno 1 - 10
of 28
pro vyhledávání: '"G. N. Sergeeva"'
Publikováno v:
ChemInform. 22
Publikováno v:
ChemInform. 24
Autor:
Sh. K. Latypov, A. V. Il'yasov, N. N. Gorshkova, Vladimir V. Klochkov, E. N. Klimovitskii, D. Yu. Strel'nik, G. N. Sergeeva
Publikováno v:
ChemInform. 24
Publikováno v:
ChemInform. 25
Publikováno v:
Gigiena i sanitariia. (12)
The status of the microcirculatory skin channel under laser irradiation with wave length 10.6 mkm of different energetic exposures has been studied. Higher density of vessels per unit of area, longer diameter of the vessels, disturbances in the blood
Publikováno v:
Gigiena truda i professional'nye zabolevaniia. (5)
The hygienic studies revealed that one of the most unfavourable factors in permanent magnet production is presented by the composite dust of cobalt and samarium. The toxico-hygienic assessment of the composite determined its MAC in the working zone a
Autor:
A. V. Il'yasov, G. N. Sergeeva, K. M. Enikeev, D. Yu. Strel'nik, B. A. Arbuzov, E. N. Klimovitskii
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 35:971-974
1. 2-Methyl-2-phenyl-1,3-dioxa-5,6-benzocycloheptene and its isomeric 4-methyl-substituted derivatives exist in the twist conformation. 2. In the PMR of these compounds the benzyl protons and 4-methyl groups are coupled and the screening influence of
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 22:2368-2371
1. 1-Phenylpropane-1,2-dione gives a bis-1,3-dithiolane derivative in the reaction with 1,2-ethanedithiol, analogously to glyoxal and phenylglyoxaL Diacetyl and benzil give the corresponding monomercaptals. 2. 1-Phenylpropane-1,2-dione is reduced in
Publikováno v:
Journal of Molecular Structure. 197:1-13
13 C NMR γ- anti effect data versus dihedral angle RCXC (X=O, S; R=Me, Ph, t-Bu) in a series of six eight-membered cyclic acetals and dithioacetals are summarized. The inversion of Lambert's correlation, determined for carbocycles, has been
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 28:1873-1876
Studies based on IR spectroscopy and the measurements of dipole moments show that the 2-(p-X-phenyl)-benzo[e]-1,3-dioxepanes exist as equilibrium mixtures of chair and twist conformers.