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Adsorption deformation of a microporous AR-V carbon adsorbent during the adsorption of n-hexane
Pleiades Publishing Ltd - Tập 85 - Trang 1960-1964 - 2011
Adsorption isotherms of n-hexane and adsorption deformation isotherms of an AR-V
carbon adsorbent are measured in a pressure range of 1 Pa to 20 kPa at
temperatures of 254.8–353 K. It is found that, except for the initial pressure
range (p < 800 Pa), the relative linear deformation increases with increasing
pressure and decreases with increasing temperature. At temperatures of 254.8,
273.2, and 29...
Nonlinear optical properties of solutions of heavy fullerenes in the near-ultraviolet region
Pleiades Publishing Ltd - Tập 85 - Trang 1603-1608 - 2011
Nonlinear optical properties (particularly optical limiting) are determined for
solutions of heavy fullerenes C76 + C78 + C84 + C90 + …, in the near-ultraviolet
region (λ ≈ 280 ± 7 nm). It is shown that no optical limiting is observed in
solutions of light fullerenes (C60 and C70), but found in solutions of
water-soluble fullerenol-d (a mixture of oxypolyalcohols of fullerene
C60-C60(OH) n1O n2, w...
Optical Properties of NiCl2-Filled Polyvinyl Alcohol
Pleiades Publishing Ltd - Tập 96 - Trang 2712-2717 - 2022
NiCl2-filled polyvinyl alcohol (PVA) films filled prepared by casting process.
X-ray diffraction (XRD) revealed that crystalline nature of PVA was reduced with
NiCl2 content. The transmittance spectra of NiCl2 filled PVA films were reduced
with NiCl2 content, confirming the increase of amorphous phase noticed by XRD
for high NiCl2 content samples. In addition, the indirect band gap for PVA film
is...
Modeling and calculations of the physicochemical parameters of diffusion of atomic hydrogen on the surface of differently sized nanotubes with different chiralities
Pleiades Publishing Ltd - Tập 83 - Trang 649-653 - 2009
This work is concerned with modeling the diffusion of atomic hydrogen on the
surface of differently sized carbon nanotubes with different chiralities. The
calculations were based on the estimation of activation energy by the density
functional theory method and the use of transition state theory.
Correlation between Pseudo Jahn–Teller Effect Parameters, Hardness, and LP-LP Repulsion on Structural and Configurational Behaviors of Hydrazine, Diphosphane, and Diarasane
Pleiades Publishing Ltd - Tập 95 - Trang 604-612 - 2021
It has been shown that high-symmetry forms of any molecule undergo structural
distortions due to the pseudo Jahn–Teller effect (PJTE). The cis-bent (
$${{C}_{{2{v}}}}$$ ) and flat (D2h) configuration of hydrazine (1), diphosphane
(2), and diarsane (3) were optimized at the CAM-B3LYP, B3LYP, and LC-ωPBE
methods with the 6-311+G** basis set. Studies on the relationship between PJT’s
stabilization en...
Temperature dependence of electric conductivity of molten binary mixtures of alkali and rare-earth metals chlorides
Pleiades Publishing Ltd - Tập 80 - Trang 449-452 - 2006
The temperature dependences of the specific and molar electric conductances of
CeCl3-MCl and LnCl3-KCl (M=Li, Na, K, and Cs; Ln=Er and Yb) molten binary
mixtures of various compositions were studied. The size of the cations of alkali
and rare-earth metals was demonstrated to affect the intensity of the
interactions of the components of the systems. Deviations of the molar
conductance isotherms fro...
Comparative analysis of effective atomic charges in the N-methylmorpholine-N-oxide molecule
Pleiades Publishing Ltd - - 2007
Thermochemical properties of monoatomic crystals under nonstandard conditions
Pleiades Publishing Ltd - - 2011
Sorption of catechins under conditions of reverse-phase high-efficiency liquid chromatography
Pleiades Publishing Ltd - Tập 84 - Trang 1421-1427 - 2010
The physico-chemical principles of catechin sorption from various polar solvents
onto silica gel modified with octadecyl groups were studied. Thermodynamic
characteristics of the sorption were calculated, and the applicability of
different models of retention was demonstrated for catechins under the
conditions of reverse-phase high-efficiency liquid chromatography.
Porous glass-carbon nanomaterials for electrochemical devices
Pleiades Publishing Ltd - Tập 91 - Trang 1805-1810 - 2017
Properties of the surfaces, morphologies, and voltammetric characteristics of
glass-carbon materials with developed porosity are investigated. The sizes of
micro-, meso-, and macropores are determined, along with specific surface areas.
The voltammetric curves of samples in sulfuric acid solution are analyzed.
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