Zobrazeno 1 - 10
of 21
pro vyhledávání: '"S. S. Polyak"'
Publikováno v:
Аграрный вестник Урала, Vol 24, Iss 9 (2024)
Externí odkaz:
https://doaj.org/article/9249858f983f49eab09b4c0e9f5ded1c
Publikováno v:
Аграрная наука Евро-Северо-Востока, Vol 25, Iss 2, Pp 207-215 (2024)
The research was carried out in the conditions of the Perm Region on sod-podzolic heavy loamy soils in a long stationary plot trial, laid down in 1977. The purpose of the research is to study the effect of various types of fallow on crop rotation pro
Externí odkaz:
https://doaj.org/article/9034b9f35e284264a8ba352bdbc9b23d
Publikováno v:
Аграрная наука Евро-Северо-Востока, Vol 23, Iss 6, Pp 852-859 (2022)
The purpose of the research is to study the influence of hydrothermal conditions of vegetation of 2011-2022 on the yield of spring barley of the Rodnik Prikamya variety in the conditions of the Middle Trans-Urals. Barley was cultivated in a tradition
Externí odkaz:
https://doaj.org/article/b0f85f4ff879407ab2973a7b9b1cd024
Autor:
S. S. Polyak
Publikováno v:
Cybernetics and Systems Analysis. 40:215-225
Some features of the operators of unnatural differentiation and integration related to non-commutativity of their multiplication are considered in the paper in the general case. One possible approach is developed along with tools used to find solutio
Publikováno v:
Cybernetics. 26:47-57
The paper examines the classes of conjugate elements of the unitriangular group. It is shown that for sufficiently large n the problem of describing the classes of conjugate elements of the group G includes the problem of unitriangular similarity of
Publikováno v:
International Journal of Chemical Kinetics. 12:315-338
The kinetics of ethane oxidation was studied at 320, 340, 353 and 380°C, mixture composition 2 C2H6 + 1 O2, and total pressure 609 torr. It was found that at 320°C CH2O and CH3CHO were branching agents. A series of experiments was conducted on 2C2H
Autor:
S. S. Polyak
Publikováno v:
Ukrainian Mathematical Journal. 26:217-221
Publikováno v:
International Journal of Chemical Kinetics. 16:1275-1285
Mathematical modeling was used for the kinetics of gas-phase propane oxidation at 586, 613, and 658 K and pressures 172 and 250 torr. The reaction mechanism involving branching by decay of the peracetyl peroxy radical, and oxygen-containing products
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 27:41-45
The inhibiting action of Al2O3 and KSK silica gel on the homogeneous oxidation of ethane at 320°C is due to the breakdown of formaldehyde, the branching agent for the oxidation reaction, on these catalysts.
Publikováno v:
Chemischer Informationsdienst. 8