PhC-2020
Influence of the aromatic polymeric matrix type on stability of nanosized palladium catalysts in Suzuki reaction
E.S. Bakhvalova1, A.V. Bykov2, A.I. Sidorov2, L.Zh. Nikoshvili2, L. Kiwi-Minsker1 1Tver State University, Tver, Russia 2Tver State Technical University, Tver, Russia DOI: 10.26456/pcascnn/2020.12.775 Abstract: This work is devoted to the study of the influence of the type of polymeric matrix of hyper-crosslinked polystyrene on activity ...
Sonication impact on the structure of graphite oxide reduced by thiourea
N.V. Alemasova1, S.R. Sukhova1, V.V. Kravchenko1, M.A. Zozulya1, L.A. Prokofieva1, V.V. Burkhovetskiy2, M.V. Savoskin1 1L.M. Litvinenko Institute of Physical Organic and Coal Chemistry, Donetsk, Ukraine 2Donetsk Institute for Physics and Engineering named after A.A. Galkin», Donetsk, Ukraine DOI: 10.26456/pcascnn/2020.12.765 Abstract: The sonication impact on the process of the Hummers graphite oxide reduction by ...
Processes of formation of nanodisperse Al2O3 powders with carbon in a dc electric arc
N.A. Alekseenko1, M. N. Kovalenko2, L. V. Markova1, A. P. Zajogin1 1Powder Metallurgy Institute named after academician O. V. Roman, Minsk, Belarus 2Belarusian State University, Minsk, Belarus DOI: 10.26456/pcascnn/2020.12.758 Abstract: The nanodisperse Al2O3 powders formation with carbon in a DC electric arc under the influence of ...
Nanostructures in the thin layer of coal substance
V.M. Yurov1, K.M. Makhanov1, V.S. Potnov2 1Karaganda State University after E.A. Buketov 2Karaganda Technical University DOI: 10.26456/pcascnn/2020.12.746 Abstract. In the present work, the surface layer of a coal substance is considered, the structure and characteristics of which are different from the bulk structure. This layer ...
Electrochemical synthesis of tungsten oxide bronze powders
B.M. Khubolov Kabardino-Balkarian State University named after H.M. Berbekov, Nalchik, Russia DOI: 10.26456/pcascnn/2020.12.738 Abstract: Chemical analysis established that during electrochemical reduction in M2WO4 – WO3 (M – Li, Na, K, Cs, Tl) melts, tungsten oxide bronzes of various compositions and structures are formed. The dependence of ...
Design of gas sensor based on tin oxide nanowhiskers
D.A. Timoshenko, I.V. Sinev, V.V. Simakov Saratov State University, Saratov, Russia DOI: 10.26456/pcascnn/2020.12.731 Abstract: Tin dioxide nanowhiskers were grown by the vapor deposition. The effect of technological parameters on the morphology of the grown nanostructures was investigated. It is shown that an increase in the ...
Study of properties of diffusion-hardening composite solder GaSn – CuSn – Mo
V.М. Skachkov, L.A. Pasechnik, S.P. Yatsenko The Institute of Solid State Chemistry of the Ural Branch of RAS, Yekaterinburg, Russia DOI: 10.26456/pcascnn/2020.12.722 Abstract: The article discusses the possibility of regulating the properties of a diffusion-hardening solder based on a low-melting gallium-tin alloy and a solid ...
Illumination effect on recognition ability of multisensor microsystems based on tin oxide nanowhiskers
I.V. Sinev, N.A. Klychkov, D. A. Timoshenko, V.V. Simakov Saratov State University, Saratov, Russia DOI: 10.26456/pcascnn/2020.12.713 Abstract: Using standard methods of data classification, the possibility of recognizing gas mixtures using a multisensor microsystem with a gas-sensitive layer based on whisker nanocrystals is shown. The statistical ...
Procedure for determining hydraulic jet barbotter resistance for collecting fine dust
G.I. Sverdlik, A.Yu. Ataeva, A.R. Ataev North Caucasian Institute of Mining and Metallurgy (State Technological University), Vladikavkaz, Russia DOI: 10.26456/pcascnn/2020.12.706 Abstract: North Caucasian Institute of Mining and Metallurgy (State Technological University) has developed a design of a jet bubbler which is based on the patented design ...
Creating biocomposites based on nano-sized hydroxyapatite doped with zirconium oxide and calcium fluoride
D.I. Pereverzev1,2, E.A. Bogdanova1, K.V. Nefedova1 1Institute of Solid State Chemistry of the Ural Branch of RAS, Yekaterinburg, Russia 2Ural Federal University named after the first President of Russia B.N. Yeltsin, Yekaterinburg, Russia DOI: 10.26456/pcascnn/2020.12.697 Abstract: The article discusses the possibility of strengthening nanostructured hydroxyapatite ...