A study of the kinetics of the oxidative coupling of methane over a Li/Sn/MgO catalyst [PDF]
, 1990 The rate of reaction of methane with oxygen in the presence of a Li/Sn/MgO catalyst has been studied as a function of the partial pressures of CH4, O2 and CO2 using a well-mixed reaction system which is practically gradientless with respect to gas-phase ...
Derksen, J.W.H.C. +5 more
core +19 more sources
Assisting effect of Al2O3 on MnOx for NO catalytic oxidation
Green Energy & Environment, 2021 Various Mn-based catalysts for NO oxidation were prepared using MnOx as active compound, while TiO2 and Al2O3 were adopted as catalyst support. The performance of the catalysts was tested to study the effect of support on Mn-based catalyst activity ...
Denghui Wang +4 more
doaj +1 more source
ALUMINIUM BRONZE. NANOSTRUCTURAL PROCESSES OF MELTING AND MOULDING
Литьë и металлургия, 2018 It is shown that melting and molding of aluminum bronze are difficult physical and chemical processes. In them the major role is played by the centers of crystallization of dendrites of a a-phase, the a-phase nanocrystals dissolved and the adsorbed ...
E. I. Marukovich, V. Yu. Stetsenko
doaj +1 more source
TAP reactor investigation of methane coupling over samarium oxide catalysts [PDF]
, 1991 The adsorption and reaction characteristics of a Ba/Sr/Sm2O3 catalyst for methane coupling has been investigated using the TAP (Temporal Analysis of Products) reactor system. Pulsed adsorption experiments using methane, oxygen and krypton at temperatures
Fornasari, G. +5 more
core +2 more sources
Scientific problem of modifying of primary crystals a β -phase of silumin castings. Solutions
Литьë и металлургия, 2019 It is shown that the phosphorum which is contained in a silumin melt in number of 0,01–0,04% exists in the dissolved form. For a solution of the problem of modifying of primary crystals of a β -phase in silumin castings it is necessary to accept a ...
E. I. Marukovich, V. Yu. Stetsenko
doaj +1 more source
Temperature dependence of Cu:SnO2 film conductivity in air medium
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2023 Temperature conductivity studies of films based on Cu:SnO2 made by magnetron sputtering of the mixed target CuO/SnO2 have been carried out. Temperature conductivity dependencies were substantially nonlinear.
N.A. Klychkov, V.V. Simakov, I.V. Sinev
doaj +1 more source
NANOSTRUCTURAL PROCESSES OF MELTING AND CASTING OF CAST IRON WITH FLAKY GRAPHITE
Литьë и металлургия, 2017 It is shown that melting and casting of cast iron with flaky graphite are the complex physical and chemical nanostructural processes. The majorrole in these processis played by the centers of crystallization of dendrites of graphite, graphite ...
E. I. Marukovich, V. Yu. Stetsenko
doaj +1 more source
Density functional theory study the effects of oxygen-containing functional groups on oxygen molecules and oxygen atoms adsorbed on carbonaceous materials. [PDF]
PLoS ONE, 2017 Density functional theory was used to study the effects of different types of oxygen-containing functional groups on the adsorption of oxygen molecules and single active oxygen atoms on carbonaceous materials.
Xuejun Qi, Wenwu Song, Jianwei Shi
doaj +1 more source
Electrode polarization at the Au, O2(g)/yttria stabilized zirconia interface. Part II: electrochemical measurements and analysis [PDF]
, 1991 The impedance of the Au, O2 (g) / yttria stabilized zirconia interface has been measured as function of the overpotential, temperature and oxygen partial pressure. At large cathodic overpotentials (η < −0.1 V) and large anodic overpotentials (η > +0.1 V)
Boukamp, B.A. +2 more
core +3 more sources
NANOSTRUCTURAL PROCESSES OF MELTING AND MOULDING OF CAST IRON WITH GLOBULAR GRAPHITE
Литьë и металлургия, 2017 It is shown that melting and molding of cast iron with globular graphite are complex physical and chemical nanostructural processes. The major role in these processes is played by the centers of crystallization of dendrites of graphite, graphite ...
E. I. Marukovich, V. Yu. Stetsenko
doaj +1 more source