Zobrazeno 1 - 10
of 40
pro vyhledávání: '"V. I. Borisova"'
Autor:
V. I. Borisova, L. V. Krasytska
Publikováno v:
Journal of the National Academy of Legal Sciences of Ukraine. 27:33-59
Publikováno v:
Chemistry and Technology of Fuels and Oils. 5:531-534
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 17:503-506
1. The influence of various factors upon the selectivity of the condensation of formaldehyde with isobutylene to 3-methylbutanediol-1,3 was investigated. 2. In accord with the carbonium ion mechanism of the process, the relative content of 3-methylbu
Publikováno v:
Chemistry and Technology of Fuels and Oils. 12:397-399
Publikováno v:
Chemistry and Technology of Fuels and Oils. 4:762-764
Publikováno v:
Chemistry and Technology of Fuels and Oils. 9:394-396
For the determination of base numbers of succinimide additives, a method has been proposed, consisting of a potentiometric titration in nonaqueous medium. The recommended solvent is a mixture of chloroform and glacial acetic acid in 1/1 ratio, and th
Autor:
V I, Borisova
Publikováno v:
Parazitologiia. 10(3)
504 nests of 11 species of birds were examined in the Volga-Kama state reserve. 57,430 specimens of Diptera belonging to 19 species and 13 families were collected from the nests. The schemes of the life cycle of Diptera, nest-burrow parasites of bird
Autor:
V I, Borisova
Publikováno v:
Parazitologiia. 11(2)
524 nests of 12 species of birds were examined in the Volga-Kama state reserve. From these nests there were collected 214575 mites belonging to 11 families and 48 species. The specific composition and quantitative ration between ecological groups of
Autor:
V I, Borisova, I V, Nazarova
Publikováno v:
Parazitologiia. 20(3)
The specific composition of gamasid mites from three species of voles (Microtus arvalis Pall., M. agrestis L., M. oeconomus Pall.) is given. Forest, field and flood-land groupings of the common vole having distinct phenotypical differences are charac
Autor:
V I, Borisova
Publikováno v:
Parazitologiia. 12(5)