Zobrazeno 1 - 10
of 22
pro vyhledávání: '"M. R. Hakobyan"'
Publikováno v:
Journal of Contemporary Physics (Armenian Academy of Sciences). 56:196-200
Laser-induced hydrodynamic (LIH) motions in nematic liquid crystal (NLC) which is an initially oriented hybrid have been studied theoretically. For the direction when the flow velocity is directed out of the “flexible ribbon’s” curvature, it br
Publikováno v:
Molecular Crystals and Liquid Crystals. 713:55-64
The general approach to study the properties of the mechanical deformations of solid nematics, which are the macroscopic homogeneous elastic media having the rotational symmetry of the nematic liqu...
Autor:
I. S. Danielyan, N. S. Minasyan, R. E. Muradyan, A. A. Harutyunyan, A. S. Aharonyan, L. E. Nersesyan, T. R. Hovsepyan, M. R. Hakobyan
Publikováno v:
Russian Journal of Organic Chemistry. 56:2137-2142
While developing new approaches to the design of biologically active compounds based on 1,2,4-triazole, a number of new hydrazones containing pharmacologically active benzofuran, 5-methylbenzofuran, 1,2,4-triazole, pyridine, indole, and 1,3-benzodiox
Publikováno v:
Journal of Contemporary Physics (Armenian Academy of Sciences). 54:262-266
A theory of a broadband thin-film polarizing beam splitter based on an anisotropic cycloidal diffraction grating is proposed. The achromatization of the grating is provided by creating two-layer chiral structures with an opposite twist sense. Such a
Autor:
A. S. Agaronyan, M. R. Hakobyan, N. S. Minasyan, R. E. Muradyan, L. E. Nersesyan, T. R. Hovsepyan, I. S. Danielyan
Publikováno v:
Russian Journal of General Chemistry. 89:673-679
Continuing the search for biologically active compounds among functionally substituted azoles, new 1,2,4-triazole-3-thiols and 1,3,4-thiadiazoles derivatives bearing pharmacologically active carboxamide, hydroxyl or carboxyalkyl moieties, as well as
Autor:
M. R. Hakobyan, R. S. Hakobyan
Publikováno v:
Journal of Contemporary Physics (Armenian Academy of Sciences). 52:355-361
The problem of arising of regular convection in the horizontal layer of nanofluid being in the gravity field upon the spatially periodic distribution of volume heat sources is considered. It is shown that other conditions being equal the system respo
Autor:
M. R. Hakobyan, R. S. Hakobyan
Publikováno v:
Journal of Contemporary Physics (Armenian Academy of Sciences). 52:295-302
The general approach to study the properties of the mechanical deformations of solid nematics, which are the macroscopic homogeneous elastic media having the rotational symmetry of the nematic liquid crystals is proposed. The stress tensor, the Young
Autor:
N. S. Minasyan, M. R. Hakobyan, A. S. Agaronyan, R. V. Paronikyan, I. S. Danielyan, L. E. Nersesyan, T. R. Hovsepyan
Publikováno v:
Russian Journal of General Chemistry. 87:973-978
Aminomethylation and cyanoethylation reactions of 5-(4-alkoxybenzyl)-4-methyl(phenyl, allyl)-4H-1,2,4-triazole-3-thiols have been investigated. According to NMR spectroscopy data, the reactions occur at the nitrogen atom Ν2. The effect of the synthe
Autor:
R. S. Hakobyan, M. R. Hakobyan
Publikováno v:
Journal of Contemporary Physics (Armenian Academy of Sciences). 52:10-17
The problem of origination of regular convection in the layer of nanofluid with one free surface by the absorption of light waves with spatially periodic intensity distribution in the plane of the layer caused by the temperature dependence of the sur
Publikováno v:
Russian Journal of General Chemistry. 86:1845-1849
2-Substituted 1,3,4-thiadiazole-5-thiol has been synthesized basing on hydrazide of 3-methoxy-phenoxyacetic acid. Methods of SH-alkylation, aminomethylation, and cyanoethylation of the product have been elaborated. Reactions of the starting hydrazide