Zobrazeno 1 - 10
of 19
pro vyhledávání: '"S. N. Nikol'skii"'
Publikováno v:
Russian Journal of Physical Chemistry B. 12:28-35
The strings formed in the solutions of trifluoroacetylated amino alcohols in cyclohexane were studied. It was found that microscopic strings with the diameter d ∼ 1 μm were woven from tightly coupled rigid submicroscopic strings with the diameter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5de9a84e32de24e98f9e6a0e161cc5af
https://doi.org/10.1134/s1990793118010268
https://doi.org/10.1134/s1990793118010268
Autor:
D. S. Gerasimov, Ya. A. Litvin, Alexander N. Shchegolikhin, A. D. Rogozin, S. N. Nikol’skii, M. G. Mikhaleva, Vsevolod A. Tverdislov, Dmitry V. Zlenko, Sergey V. Stovbun, V. P. Mel’nikov
Publikováno v:
Russian Journal of Physical Chemistry B. 10:245-259
The physical mechanisms responsible for the kinetics of nitration of cellulose raw materials of different origin have been studied. It has been shown that the main nitration rate-limiting factor is the speed of untwisting of supercoiled cellulose fib
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07a591bc59fc90170047375755d0d60d
https://doi.org/10.1134/s199079311602024x
https://doi.org/10.1134/s199079311602024x
Autor:
S. N. Nikol’skii, V. F. Ivanov, A. N. Shcherban, Svetlana I. Kuzina, I. A. Shilova, A. I. Mikhailov
Publikováno v:
High Energy Chemistry. 47:192-197
Radiolysis of plant biomass with doses of 200–300 kGy prior to dispersing by chemimechanical methods increases the yield of nanocellulose from cellulosic feedstock by more than a factor of two. Another advantage of radiation pretreatment of initial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a68eca908baa4d2826b4162dc308cbcd
https://doi.org/10.1134/s0018143913040085
https://doi.org/10.1134/s0018143913040085
Publikováno v:
Bulletin of the Russian Academy of Sciences Division of Chemical Science. 41:1559-1562
The kinetics of protonation of pseudoephedrine by 3,6-di-tert-butyl-2-hydroxyphenoxyl have been analyzed by the ESR technique. It was shown that protolysis of the radical produced closed ionic pairs with the pseudoephedrine cation in a dimer state.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fb2f6f26a9e9e9e82d7710838ced58d
https://doi.org/10.1007/bf00863572
https://doi.org/10.1007/bf00863572
Publikováno v:
Bulletin of the Russian Academy of Sciences Division of Chemical Science. 41:1563-1566
The effect of the viscosity of a toluene solution, with addition of Vaseline oil, on the kinetics of proton transfer from 3,6-di-tert-butyl-2-hydroxyphenoxyl to triethylamine was analyzed by the ESR technique. Activation barriers of the reaction do n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7f693e7df8b8cbb5f2a95a666f89e95
https://doi.org/10.1007/bf00863573
https://doi.org/10.1007/bf00863573
Autor:
A. I. Prokof'ev, S. N. Nikol'skii, Sh. S. Tul'baev, Z. M. Muldakhmetov, A. S. Masalimov, I. B. Bakeev
Publikováno v:
Theoretical and Experimental Chemistry. 27:163-167
Kinetic and thermodynamic parameters of the reversible reaction of proton transfer between 3,6-di-tert-butyl-2-hydroxyphenoxyl and N-methyl-4-piperidone have been investigated by means of ESB. It has been found that proton transfer from the semiquino
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75c3620ea6c9739a0ee6003f3d31ed5e
https://doi.org/10.1007/bf01372468
https://doi.org/10.1007/bf01372468
Publikováno v:
Theoretical and Experimental Chemistry. 27:220-224
Fast nondegenerate tautomeric transitions in the substituted ortho-hydroxy-phenoxy radical 4-triphenylmethyl-6-tert-butyl-3-chloro-2-hydroxyphenoxyl were detected by the ESR method. The kinetic and thermodynamic parameters of hydrogenotropy were dete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba2aa57a6d29bb4eb42e4476d3bfea00
https://doi.org/10.1007/bf01372482
https://doi.org/10.1007/bf01372482
Publikováno v:
Theoretical and Experimental Chemistry. 27:168-172
A study has been made of the influence of solvation factors on the kinetics and mechanism of cationotropism in ion pairs of certain semiquinone anion radicals with ammonium cations. It has been shown that the medium influences the magnetic resonance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebb54c7b1d9eae5c2e33332cb64ff0de
https://doi.org/10.1007/bf01372469
https://doi.org/10.1007/bf01372469
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 40:53-57
The kinetic parameters of the fast reversible reaction of proton transfer between paramagnetic proton donors: 3,6-di-tert-butyl-2-hydroxyphenoxyl, 4,6-di-tert-butyl-3-chloro-2-hydroxyphenoxyl, 4-triphenylmethyl-6-tert-butyl-3-chloro-2-hydroxyphenoxyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae202181b6e512dc7c20a55b26e3cb50
https://doi.org/10.1007/bf00959629
https://doi.org/10.1007/bf00959629
Publikováno v:
Soviet Atomic Energy. 47:851-853
The total neutron cross section of /sup 145/Nd are measured in the energy range from 0.02 to 350 ev. The values of the resonance parameters and the energy dependence of the total cross section are important for the design and description of processes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c821d04bba76009003e07cf351e43722
https://doi.org/10.1007/bf01118203
https://doi.org/10.1007/bf01118203