Zobrazeno 1 - 6
of 6
pro vyhledávání: '"G. N. Kozhevnikov"'
Publikováno v:
Russian Journal of Applied Chemistry. 85:12-15
Process was studied in which high-purity silicon (1.07–1.35 ppm) is obtained from powdered technical-grade silicon (99.81–99.86% Si) produced by acid refining to remove impurities by its treatment with gaseous SiF4 at a temperature of 1200°C to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d03f36ddf153590f6bef31e67916521b
https://doi.org/10.1134/s1070427212010028
https://doi.org/10.1134/s1070427212010028
Autor:
A. G. Vodop’yanov, G. N. Kozhevnikov
Publikováno v:
Russian Journal of Applied Chemistry. 86:124-126
The process of production of rutile concentrate for coating welding electrodes by caking titanium slag with soda ash and sequential leaching the cake in water and a hydrochloric acid solution was studied.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02f5a8415b6587a1b4a63c1e85536a4a
https://doi.org/10.1134/s1070427213010230
https://doi.org/10.1134/s1070427213010230
Autor:
G. N. Kozhevnikov, A. G. Vodop’yanov
Publikováno v:
Russian Journal of Applied Chemistry. 85:1567-1569
The possibility of recovering rhenium and osmium from sulfurous gases generated by oxidative roasting of commercial molybdenite product was examined. When passing through solid carbon packing at a temperature in the range 288–380°C, higher rhenium
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5686e9e49ba15ab5e760e30fa9b5293d
https://doi.org/10.1134/s107042721210014x
https://doi.org/10.1134/s107042721210014x
Publikováno v:
Inorganic Materials. 36:691-694
Silicon carbide powders were prepared from pelletized mixtures of fine-particle SiO2 and petroleum coke with CaO, Fe2O3, and Al2O3 additions at temperatures from 1770 to 1870 K and atmospheric pressure. The Si loss in the form of SiO and the SiC yiel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fd267f0f105628f37e774deb76b56c4
https://doi.org/10.1007/bf02758423
https://doi.org/10.1007/bf02758423
Publikováno v:
Russian Journal of Non-Ferrous Metals. 50:206-208
A new method of burning the molybdenite concentrate is developed. An installation is used in which material is burned in the vortical flow of the oxidizer with obtaining the cinder. It is established that, at a temperature of 600°C and air consumpti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2767aea9f5ed9434427675a5fced847e
https://doi.org/10.3103/s1067821209030031
https://doi.org/10.3103/s1067821209030031
Publikováno v:
Russian Chemical Reviews. 57:810-823
Certain characteristics of carbothermal processes involving the reduction of refractory oxides to the metal are surveyed with allowance for the structure of the outer and penultimate electron shells. The similarity and difference between the kinetics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64cff779ca4e184828857145c742b641
https://doi.org/10.1070/rc1988v057n09abeh003392
https://doi.org/10.1070/rc1988v057n09abeh003392