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41.
Oxidation of steel 30KhGSA in a borosilicate melt containing iron oxides
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(Coatings. Enamels.)
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The kinetic features of the oxidation of alloy steel under a coating layer containing iron oxide are considered. The dependence of the oxidation rate of steel on the concentration of Fe 2 O 3 in the ...
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42.
Selective reduction of nitrogen oxides with ammonia using block cellular catalyst
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(Science for ceramic production)
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A block cellular alumina-vanadium catalyst for the selective reduction of nitrogen oxides with ammonia has been developed. With an average conversion of nitrogen oxides of more than 90%, the efficiency ...
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43.
The effect of argon plasma on reduction of oxides of varying valence upon mineral synthesis
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(At the enterprises and institutes)
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The results of studies of plasma treatment of chromium, titanium and iron oxides are presented. It is shown that oxides of variable valence are partially reduced in argon plasma. Tab. 1, ill. 2, bibliography: ...
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44.
Transformation and equilibrium conditions of iron oxides upon glass melting
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(Science for glass production)
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It is shown that the transformations of iron oxides during glass melting proceed mainly in the solid phase. The ratio of the two forms of iron oxides in the molten glass is determined by the temperature ...
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45.
Glass fining with arsenic and antimony oxides
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(Science for glass production)
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Using the example of industrial silicate optical crowns, the ability of glass melts of different composition to be clarified with arsenic and antimony oxides has been studied. It was found that the kinetics ...
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46.
The effect of iron oxides on the properties and structure of glazed glass
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(Science for glass production)
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The effect of iron oxides with a molar content of 2.5 to 35.0% (over 100%) on the properties of aluminoborosilicate glasses has been investigated. The peculiarity of the phase separation of iron-containing ...
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47.
Thin-film coatings based on zirconium and cobalt oxides
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(Coatings. Enamels.)
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Thin-film coatings based on zirconium and cobalt oxides have been obtained. It is shown that the properties of the coatings depend on the ratio of oxides in the film, the rotation frequency of the substrate, ...
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48.
The effect of AlF3, B2O3, and kaolinite additives on the rate of mullite formation from oxides
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(Science for ceramic production)
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The kinetic parameters of mullite formation from oxides in the presence of mineralizers (B 2 O 3 and AlF 3 ) and with the addition of kaolinite (20%) have been studied experimentally. The degree of ...
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49.
Self-developing high-temperature synthesis of complex chrome-containing silicon and boron oxides
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(Science for ceramic production)
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Complex chromium-containing oxides - chromium orthoborate and chromium (II) silicate - are synthesized in the combustion mode in one stage using solid oxidants. Tab. 1, ill. 4, bibliography: 5 titles.
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50.
The effect of additives of transition metal oxides on the strength, phase composition and microstructure of cordierite ceramics
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(Science for ceramic production)
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The effect of additives of transition metal oxides and sintering temperature on the strength characteristics of ceramics from cordierite synthesized with the use of mechanical activation has been investigated. ...
