Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Vladimir V. Strelko"'
Autor:
Evgeny I. Kapinus, Tatyana A. Khalyavka, Valentina V. Shimanovskaya, Tatyana I. Viktorova, Vladimir V. Strelko
Publikováno v:
International Journal of Photoenergy, Vol 5, Iss 3, Pp 159-166 (2003)
Dispersed optically pure anatase, rutile and two-phase samples of titanium dioxide were prepared using a sol-gel technique. In particle of two-phase samples, the anatase nuclei are surrounded by a rutile envelope. Content of anatase in the two-phase
Externí odkaz:
https://doaj.org/article/406e3729ec5145f0890a3da2ccf8ed2e
Publikováno v:
Adsorption Science & Technology, Vol 15 (1997)
High purity requirements for organometallic precursors have recently become critical in the field of III–V semiconductor films obtained by chemical vapour deposition techniques. Traditional purification routes employing physical methods need to be
Externí odkaz:
https://doaj.org/article/50efd13d00de4c05a068d6eabb00aaec
Publikováno v:
Colloid Journal. 78:164-169
Stable highly concentrated TiO2 sol has been synthesized using binary titanyl ammonium sulfate monohydrate, (NH4)2TiO(SO4)2 · H2O. Treatment of the sol with an ammonia solution has yielded a stable hydrogel, which, after being dried, is transformed
Autor:
Vladimir V. Strelko, Sandor Barany
Publikováno v:
Adsorption. 19:769-776
Using radioactive tracer method, the regularities of adsorption of over 30 mono-, di- and trivalent cations including transition metal and lanthanide ions on the H, Ca- and Al-forms of silica gel are established. It has been shown that the affinity o
Autor:
Vladimir V. Strelko, V. G. Mil’grandt, V. I. Yakovlev, N. N. Tsyba, S. S. Stavitskaya, A. S. Fedorishin
Publikováno v:
Russian Journal of Applied Chemistry. 83:281-286
New heterogeneous catalysts for synthesis of a biodiesel fuel, modified with strongly acidic groups, were developed. The catalysts are produced by pyrolysis and subsequent sulfation of fruit kernels and granulated porous copolymers and resins. The st
Factors determining the catalytic properties of active carbons in some acid-base and redox reactions
Publikováno v:
Kinetics and Catalysis. 48:603-608
The results of the authors’ investigation of the catalytic properties of active carbons in acid-base and redox reactions are summarized. The general principles of controlling the activity of carbon catalysts are described, the main factors in the c
Publikováno v:
Radiochemistry. 49:67-71
The sorption characteristics of ordinary and oxidized sorts of synthetic (SKN) and kernel (KAU) carbons and also carbon fabric oxidized with HNO3 (AUTo) with respect to U(VI) were studied. The influence of solution pH on the sorption capacity of carb
Publikováno v:
Separation Science and Technology. 39:287-300
Novel porous sodium aluminophosphatesilicate (APS) with the empirical formula Na4.01Al4.02PSi17.99O46.5 · 18H2O and sodium ammonium ferrophosphatesilicate (FPS) with the empirical formula Na0.32(NH4)2.44Fe6.17PSi8.9O30.9 · 14.3H2O were synthesized
Autor:
Tatyana I. Viktorova, Valentina V. Shimanovskaya, Vladimir V. Strelko, Evgeny I. Kapinus, Tatyana A. Khalyavka
Publikováno v:
International Journal of Photoenergy, Vol 5, Iss 3, Pp 159-166 (2003)
Dispersed optically pure anatase, rutile and two-phase samples of titanium dioxide were prepared using a sol-gel technique. In particle of two-phase samples, the anatase nuclei are surrounded by a rutile envelope. Content of anatase in the two-phase
Autor:
O. Zakutevsky, M. Taffet, G. P. Gallios, I.Z. Zhuravlev, Vladimir V. Strelko, T. S. Psareva, Valentin A. Kanibolotsky
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 254:85-89
The sorption of uranium from aqueous solutions on titanium and zirconium phosphates in H+ and K+ forms modified by iron or aluminum ions has been investigated. The modified pattern of porosity is much better, than for none modified analogous, owing t