Zobrazeno 1 - 10
of 113
pro vyhledávání: '"N A, Rudina"'
Publikováno v:
Russian Journal of Physical Chemistry A. 95:1663-1670
A comparison is made of the thermoanalytical characteristics and the composition and structure of solid products of the thermal decomposition of ortho-phthalates [Cu(H2O)2(C8H4O4)], [CuNi(H2O)4(C8H4O4)2], and [Ni(H2O)2(C8H4O4)](H2O)2. It is found tha
Autor:
Denis V Kozlov, Elena V Bessudnova, N. A. Rudina, Nadezhda V. Shikina, Andrey P. Nikitin, Dmitriy S Selishchev, Arkadiy V. Ishchenko, Zinfer R. Ismagilov
Publikováno v:
Journal of Nanoscience and Nanotechnology. 20:1303-1314
The effect of TiCl₄ hydrolysis temperature on the structural, textural and morphological properties of the resulting rutile and on the changes of these properties upon calcination was studied. The XRD, Raman spectroscopy, mercury porosimetry, BET,
Autor:
Nina V. Podberezskaya, M. Yu. Kameneva, N. A. Rudina, A. N. Lavrov, B. M. Kuchumov, L. P. Kozeeva, V. Yu. Komarov
Publikováno v:
Journal of Structural Chemistry. 61:29-43
The processes of phase formation in the Y-Ba-Co-O system doped with scandium are studied in the region of compositions 1:1:4:7. The mechanism of interaction of initial reagents changes with scandium concentration: at low scandium contents, the (Y1−
Autor:
G. Aldashukurova, A. V. Mironenko, Z. A. Mansurov, N. A. Rudina, A. V. Itshenko, V. A. Ushakov, Z. R. Ismagilov
Publikováno v:
Eurasian Chemico-Technological Journal, Vol 12, Iss 2, Pp 97-103 (2010)
The catalytic activity of nanostructurized low per cent (1%) Co-Ni catalysts on the basis of glass cloth, obtained by “solution combustion” (SC) method, in the reaction of carbon dioxide of methane was studied. The physico - chemical characterist
Externí odkaz:
https://doaj.org/article/e71a96e6615249388426c7235af81753
Autor:
N. I. Alferova, I. V. Korol’kov, L. I. Yudanova, Vladimir A. Logvinenko, N. A. Rudina, Arcady V. Ishchenko, L. A. Sheludyakova
Publikováno v:
Russian Journal of Physical Chemistry A. 93:1327-1332
A relationship is established between the structural and thermoanalytical characteristics of the decomposition of hydrogen maleates and phthalates of Fe(II), Co(II), Ni(II), Cu(II). The temperatures of the onset of the first and second stages of deco
Publikováno v:
Ceramics International. 45:5203-5209
Mn-substituted cordierites, 2(Mg1−xMnx)O·2Al2O3·5SiO2 (x = 0–1), were prepared from natural components (talc, clay, alumina) and MnO2. Sintering behavior, phase transformation, and microstructural features of the samples were investigated using
Publikováno v:
Materials Today: Proceedings. 12:167-171
Mn-containing cordierites 2MnO·2Al2O3·5SiO2 were prepared by mechanochemical method from kaolinic clay, alumina and MnO2 after calcination at 1100°C. Phase composition of prepared samples, their texture properties and catalytic activity in ammonia
Publikováno v:
Catalysis Communications. 117:43-48
Four different preparation routes were used to synthesize Sr2TiO4 with the structure of layered perovskite: sol-precipitation (SP), co-precipitation (CO), citrate precursor (CT) and mechanochemical (MA) methods with further calcinations at 1100 °C.
Autor:
Z. R. Ismagilov, N. V. Shikina, N. A. Mazurkova, L. T. Tsikoza, F. V. Tuzikov, V. A. Ushakov, A. V. Ishchenko, N. A. Rudina, D. V. Korneev, E. I. Ryabchikova
Publikováno v:
The Scientific World Journal, Vol 2012 (2012)
To study the effect of nanoscale titanium dioxide (TiO2) on cell responses, we synthesized four modifications of the TiO2 (amorphous, anatase, brookite, and rutile) capable of keeping their physicochemical characteristics in a cell culture medium. Th
Externí odkaz:
https://doaj.org/article/c9946b2dd2714ce880c39df7c8f07ff2
Publikováno v:
Russian Journal of Physical Chemistry A. 92:2247-2252
Conditions of synthesis are optimized and XRD and thermoanalytical studies are performed for normal maleate [Zn(H2O)2(C4H2O4)] and acid maleate [Zn(H2O)4(C4H3O4)2], along with acid Co(II)–Zn(II), Ni(II)–Zn(II) maleates. It is shown that when soli