Zobrazeno 1 - 10
of 18
pro vyhledávání: '"V. Yu. Khokhlov"'
Autor:
N. D. Pankratova, V. Yu. Khokhlov
Publikováno v:
Sistemnì Doslìdženâ ta Informacìjnì Tehnologìï, Iss 4 (2019)
На базе системной методологии исследованы механизмы согласования деятельности субъектов в дистанционном образовании для нахождения р
Externí odkaz:
https://doaj.org/article/c5703040ad084d6eb6dcab1b046f6996
Autor:
V. Yu. Khokhlov
Publikováno v:
Sistemnì Doslìdženâ ta Informacìjnì Tehnologìï, Iss 1 (2019)
Розглянуто проблему розробки інструментарію бази знань для осіб, які приймають рішення у відкритому та дистанційному навчанні. Розробл
Externí odkaz:
https://doaj.org/article/b011183c45a8468ab55e3bc458e12360
Publikováno v:
Russian Journal of Physical Chemistry A. 95:762-768
The energy of interaction between various amino acids (glycine, alanine, and phenylalanine) and an AV-17 strongly basic anion exchanger in chloride and nitrate ionic forms under nonexchange absorption conditions is assessed by quantum chemistry calcu
Publikováno v:
Russian Journal of Physical Chemistry A. 92:2440-2444
Based on the stoichiometry of absorption, a thermodynamic approach is proposed for describing the nonexchange sorption of substances with ion exchangers from individual solutions and mixtures. This approach is applied to describe the absorption of am
Publikováno v:
Russian Journal of Physical Chemistry A. 91:771-775
Ion exchange and overoverequivalent sorption in the AV-17-2P-OH-Cl–tryptophan anion-exchange system are studied. It is established that the ion exchange of tryptophan against the background of the exchange of mineral ions (ОН––Сl–) is bett
Publikováno v:
Journal of Structural Chemistry. 58:17-22
The formation of structures obtained during the hydration and non-exchangeable absorption of phenylalanine by a low-basic AN-221 ion exchanger in the НСl form is modeled in the work. Quantum chemical calculations are made using the Gaussian 03 prog
Publikováno v:
Russian Journal of Physical Chemistry A. 90:1434-1438
The structure formed in a sorbent during the super-equivalent sorption of glycine by cation exchanger KU-2-8 is optimized via quantum chemical simulation. The differential thermodynamic characteristics of ion exchange and super-equivalent sorption in
Publikováno v:
Himia, Fizika ta Tehnologia Poverhni. 4:358-365
Influence of acid and alkaline activation on the surface characteristics of natural combined aluminosilicate sorbent M 45 C 20 containing montmorillonite and clinoptilolite components has been studied by means of IR-spectroscopy and isopiestic method
Publikováno v:
Journal of Structural Chemistry. 56:1058-1062
A quantum chemical simulation of the structure of a hydrated phenylalanine zwitterion, dimers and larger phenylalanine associates in an aqueous solution is performed by the hybrid B3LYP density functional method with the 6-31G++(d,p) basis set. It is
Publikováno v:
Russian Journal of Physical Chemistry A. 89:270-274
The coefficients and thermodynamic equilibrium constants, activity coefficients of the sorbent phase, and integral and differential Gibbs energies of the ion-exchange and superequivalent sorption of phenylalanine by strongly acidic KU-2-8 cationites