Surface Engineering and Applied Electrochemistry

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Intensifying the Processes of Polysaccharide Extraction from Plant Raw Materials under the Action of an Electric Current
Surface Engineering and Applied Electrochemistry - Tập 58 - Trang 402-411 - 2022
A. P. Malyushevskaya, V. N. Tsurkin, A. V. Ivanov, A. N. Yushchishina
The article presents the results of the studies into the intensification of the processes of extraction of water-soluble polysaccharides from plant raw materials—medicinal hyssop (Hyssopus officialis L.)—under the action of an electric current. The effect of direct, alternating, and pulsed electric currents on the degree of polysaccharides’ extraction was studied in comparison with the traditional...... hiện toàn bộ
Electrolytic binary metal-oxide compounds: Fundamental peculiarities of their structure and formation
Surface Engineering and Applied Electrochemistry - Tập 49 - Trang 368-372 - 2013
V. M. Nagirnyi, R. D. Apostolova, S. V. Petrichenko
Based on the experimental results and the data published in the literature, the specific features and qualitative distinctions of electrolytic binary metal-oxide systems (such as V-Mn, Co-Ni, Co-Cr, Mn-Ni, and Mn-Cr) from the individual oxides contained in them are studied. In a binary system, these oxides react to form a complex structurally homogeneous conglomerate. The precipitates of the binar...... hiện toàn bộ
Peculiarities of Control over Electron-Beam Additive Form Manufacturing
Surface Engineering and Applied Electrochemistry - Tập 55 - Trang 232-240 - 2019
A. V. Shcherbakov, R. V. Rodyakina, A. S. Kozhechenko, N. M. Vakhmyanin, D. A. Gaponova, V. P. Rubtsov
This work analyzes the manufacturing process of an electron-beam additive form by heating as a result of remelting the supplied filler wire as a control object. Control actions and output values are designated that can be used in constructing a control systems with feedback. A mathematical modeling technique is used to study heat transfer in a nonstationary formulation, taking into account the inf...... hiện toàn bộ
Parameters of heterogeneous electron transfer from Hb to pyrollitic graphite in aqueous and non-aqueous media: Rate constants and dispersion of electron hopping distances
Surface Engineering and Applied Electrochemistry - Tập 47 - Trang 544-548 - 2012
V. V. Ivanov, E. V. Ivanova
A novel methodology of multi-exponential kinetic data processing was developed and tested for the reduction of hemoglobin on pyrollytic graphite.
Codiffusion of Gallium and Phosphorus Atoms in Silicon
Surface Engineering and Applied Electrochemistry - - 2023
Н. Ф. Зикриллаев, S. B. Isamov, S. Koveshnikov, Z. T. Kenzhaev, Kh. S. Turekeev
Electrocatalytic Oxygen Evolution on Glassy Carbon Electrode Modified with Optimized GC/CuxFe3 – xO4 (0 ≤ x ≤ 1.0) Nanocomposite in 1 M KOH Solution
Surface Engineering and Applied Electrochemistry - Tập 59 - Trang 754-763 - 2023
Basant Lal, Pankaj Chauhan
Copper substituted ferrites (CuxFe3 – xO4; (0 ≤ x ≤ 1.0) were prepared by the egg white auto-combustion method at 550°C and investigated their physicochemical properties via the thermogravimetric analysis, infrared spectroscopy, X-ray diffraction, scanning electron microscopy, and electrochemical ones via cyclic voltammenry and Tafel polarization. The formation of copper ferrites with a spinel pha...... hiện toàn bộ
Size effect of microhardness of nanocrystalline Co-W coatings produced from citrate and gluconate solutions
Surface Engineering and Applied Electrochemistry - Tập 51 - Trang 228-234 - 2015
S. A. Silkin, A. V. Gotelyak, N. I. Tsyntsaru, A. I. Dikusar
The influence of various electrodeposition conditions (current density, including volume current density, and hydrodynamic conditions in different electrode systems such as the Hull cell with a rotating cylinder electrode and a cell without stirring, including a soluble anode (W) and an insoluble anode (graphite)) on the microhardness of nanocrystalline Co-W coatings, obtained from citrate and glu...... hiện toàn bộ
On the simulation of a corona discharge by the similarity theory methods
Surface Engineering and Applied Electrochemistry - Tập 50 - Trang 141-148 - 2014
F. P. Grosu, An. M. Bologa, M. K. Bologa, O. V. Motorin
A general system of equations for a corona discharge has been derived and reduced to a dimensionless form using the methods of the similarity and dimension theory. Criteria and conditions for the similarity of the processes occurring during a corona discharge have been determined. Formulas for free space-charge density have been derived; the classical structure of the current-voltage characteristi...... hiện toàn bộ
(AgxCu1 – x)2ZnSnS4-Based Thin Film Heterojunctions: Influence of CdS Deposition Method
Surface Engineering and Applied Electrochemistry - Tập 57 - Trang 323-329 - 2021
L. Dermenji, N. Curmei, G. Gurieva, L. Bruc
Cu2ZnSnSe4 (CZTSe) based solar cells, containing abundant elements, with Ag alloying have recently reached efficiency of 10.2%. The open circuit voltage in CZTSe devices is believed to be limited, in between other factors, by strong band tailing caused by an exceptionally high density of Cu/Zn antisites. By replacing Cu in CZTSe with Ag, whose covalent radius is 15% larger than that of Cu and Zn, ...... hiện toàn bộ
Pseudocapacitance of Microporous Carbon/Polyaniline Composites
Surface Engineering and Applied Electrochemistry - - 2022
A. V. Sosunov, Manthila Rajapakse, Grigorii Rudakov, Roman Ponomarev, Victor Henner, Jacek B. Jasiński, Dominika A. Buchberger, Md. Shamim Reza, Bhupendra Karki, Гамини Суманасекера
Tổng số: 973   
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