Zobrazeno 1 - 10
of 93
pro vyhledávání: '"A. V. Harutyunyan"'
Autor:
Vergush A. Pivazyan, Emma A. Ghazaryan, Armen V. Karapetyan, Roza S. Shainova, Siranush V. Harutyunyan, Asya S. Vorskanyan, Aleksandr P. Yengoyan, Tiruhi A. Gomktsyan
Publikováno v:
Journal of Saudi Chemical Society, Vol 27, Iss 3, Pp 101628- (2023)
Ultrasound-assisted green syntheses of novel potentially bioactive pyrimidine derivatives have been carried out. The same compounds were obtained by conventional methods of synthesis, and the reaction times and yields of final products obtained by th
Externí odkaz:
https://doaj.org/article/1ed104bd41b24049879266bd07d3dbcf
Autor:
T. A. Gomktsyan, R. S. Shainova, A. V. Karapetyan, E. A. Ghazaryan, S. V. Harutyunyan, A. S. Vorskanyan, A. P. Yengoyan, V. A. Pivazyan
Publikováno v:
Russian Journal of General Chemistry. 92:2492-2499
Autor:
V. V. Harutyunyan, E. M. Aleksanyan, A. H. Badalyan, A. G. Arestakyan, V. V. Arzumanyan, N. E. Grigoryan, A. H. Hovhannesyan, V. V. Baghramyan, A. A. Sargsyan, K. V. Manukyan
Publikováno v:
Journal of Contemporary Physics (Armenian Academy of Sciences). 57:225-229
Autor:
V. V. Harutyunyan, A. O. Badalyan
Publikováno v:
Armenian Journal of Physics. :14-18
The main trends in modern space instrumentation are an increase in the active life of spacecraft, the tightness of their structure, and the widespread use of new polymer composite materials. Composite thermoregulatory coatings are designed to maintai
Autor:
A. O. Badalyan, V. V. Harutyunyan
Publikováno v:
Armenian Journal of Physics. :132-137
A microwave (MW) method of hydrothermal synthesis of magnesium silicate is developed. At low temperature (240 0C), nuclei of crystalline phase of магний silicate are obtained. Some optical characteristics of the synthesized product are determin
Publikováno v:
Armenian Journal of Physics. :142-147
The analysis of the surface states in experimental reflection spectra is carried out peculiarities of the formation of defects of the electronic structure of irradiation corundum crystals is considered. It is shown that change of crystals reflectiona
Autor:
Albert V. Harutyunyan
Publikováno v:
Day 3 Wed, November 02, 2022.
Annotation. The genesis of hydrocarbons has been debated for more than 300 years and continues to the present. The discussion of the problem led to the formation of organic and inorganic scientific schools. Over time, the hypothesis of polygenesis wa
Publikováno v:
Journal of Contemporary Physics (Armenian Academy of Sciences). 56:228-233
Hydrogen-like impurity states in a semiconductor nanoplatelets in the shape of a rectangular parallelepiped of small thickness are investigated within the framework of the variational method. It is shown that, due to the small thickness of the nanost
Autor:
Vachagan V. Harutyunyan, Aram Papoyan
Publikováno v:
Journal of Contemporary Physics (Armenian Academy of Sciences). 56:192-195
It is demonstrated that reflection of a continuous-wave single-frequency laser radiation from a thick flat-parallel glass wafer can be used for precise remote measurement of temperature. Such measurement relies on the low-finesse Fabry-Perot nature o
Autor:
Christopher J. Rhodes, Vika V. Arzumanyan, Hrant N. Yeritsyan, Igor G. Assovsky, Aram A. Sahakyan, Hakob Davtyan, N.E. Grigoryan, Vachagan V. Harutyunyan, V. Tsakanov, Bagrat Grigoryan, Volodymyr S. Dekhtiarov
Publikováno v:
Acta Astronautica. 181:594-601
The design and operation of an experimental installation are described, used for simulating those factors that most greatly affect the properties of materials and microelectronic devices in conditions of the near Earth (Low Earth Orbit) environment.