Zobrazeno 1 - 10
of 93
pro vyhledávání: '"V. N. Pak"'
Publikováno v:
Tsvetnye Metally. :55-58
Publikováno v:
Russian Journal of Applied Chemistry. 94:385-387
Ion-exchange fixing was performed and the state of Ni2+ cations in a perfluorosulfone membrane was described. Changes in the electronic absorption spectra of Ni2+ in the dehydration prodess and subsequent interaction with water vapor are considered.
Publikováno v:
High Energy Chemistry. 54:87-94
The spectral and luminescent properties of N2O2-type aromatic azomethines, N,N'-bis(salicylidene)-1,4-butylenediamine, N,N'-bis(5-bromosalicylidene)-1,4-butylenediamine, and their complexes with Zn(II), have been studied. All compounds at 293 K fluor
Publikováno v:
Russian Journal of Applied Chemistry. 93:274-280
The effect of the phase composition, the presence of silver nanoparticles, and the pH of the medium on the catalytic activity of heterophasic materials based on titanium oxide(IV) was studied in the photodegradation reactions of methyl orange and met
Publikováno v:
Russian Journal of General Chemistry. 89:1826-1829
The limiting value of ion-exchange sorption capacity of the perfluorosulfonic membrane with respect to Tb3+ is reproducible when the cation is in excess in the solution. Modification of the membrane with azomethine bases is facilitated by the high di
Autor:
Yulia Gavronskaya, V. N. Pak
Publikováno v:
Chemical Reports. 1:77-80
Diffusion coefficients of Ca(NO3)2 in its passage through the set of porous glass membranes at 20–70oC were determined and discussed in terms of the structuring of the water boundary layers near the silica surface.
Publikováno v:
Russian Journal of General Chemistry. 88:1484-1487
In the process of N,N'-bis(5-bromosalicylidene)-1,3-propylenediamine sorption by a perfluorosulfonic membrane donor-acceptor interaction of azomethine with membrane sulfo groups appears as considerable simultaneous shifts of absorption and fluorescen
Publikováno v:
Russian Journal of Applied Chemistry. 91:375-378
Porous glass plates were modified via their interaction with molybdenum(V) chloride, followed by a treatment with humid air at 473°C. The extent of the reaction is characterized on the basis of IR spectra of OH groups on the starting glass surface a
Autor:
L. E. Erendeeva, N. V. Merzlikin, P. S. Bushlanov, Yu. V. Khvalebo, V. N. Pak, M. E. Mar'ina, L. Yu. Petrov, M. V. Tolkaeva
Publikováno v:
Annaly khirurgicheskoy gepatologii = Annals of HPB surgery. 21:105-108
Publikováno v:
Optics and Spectroscopy. 126:463-465
Film phosphors are obtained by adsorption of N,N'-bis(salicylidene)-1,3-propylenediamine and its halogen derivatives from their ethanol solutions by a perfluorosulfonic membrane. Fluorescence bands with maxima at 440–460 nm are determined by the po