Ulan-Ude, Russia

Buryat State University

Ulan-Ude, Russia

Buryat State University is a tertiary education facility in the city of Ulan-Ude, Buryat Republic, Russia. Courses are taught in Russian and Buryat. It was established in 1932 as the Buryat State Teachers' Training College, and became a university in 1995. It is a member of the University of the Arctic.Founded in 1666, Ulan-Ude is situated 5500 km from Moscow, the capital of Russia, and 450 km from Ulan-Bator. Wikipedia.

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Arkhincheev V.E.,Buryat State University
Journal of Experimental and Theoretical Physics | Year: 2017

A new asymptotic form of the particle survival probability in media with absorbing traps has been established. It is shown that this drift mechanism determines a new temporal behavior of the probability of particle survival in media with absorbing traps over long time intervals. © 2017, Pleiades Publishing, Inc.

Namzalov B.B.,Buryat State University
Turczaninowia | Year: 2016

The description of a new species Allium grumm-grshimailoi Kamelin et Namz. is presented. The novelty is related to Allium malyschevii and A. hymenorhizum, and occurs in the Sangilen Upland in the sources of Targa River (south-eastern Tuva) at elevation of 2500 m a. s. l. The plant is peculiar for its filmy multilayer stramineous scales of bulbs. Species habitats are whitish-gray (carbonate) rocky relict mountains.

The article presents a data about the flora and vegetation of Dzelter river valley of Dzhida highlands, received as a result of research conducted as part of the floristic unit of the Russian-Mongolian complex biological expedition of the RAS and MAS led by R. V. Kamelin. The features of the buffer position of unexplored territory at the junction of the Altai-Sayan and Daur-Manchurian phytogeographical provinces are revealed. An allocation of ecotone Selenga-Daurian mountain-steppe province in southern Siberia has been established.

Badmaev S.A.,Buryat State University
Journal of Siberian Federal University - Mathematics and Physics | Year: 2017

Multifunctions on a two-element set are considered in this paper. Functions from finite set to set of all subsets of this set are called multifunctions. Partial functions, hyperfunctions, ultrafunctions, partial hyperfunctions and partial ultrafunctions are arised depending on the type of multifunctions and superposition. In this work the problem of description of clones (sets of function closed with respect to the operation of superposition and containing all the projections) of partial ultrafunctions is considered. We got a description of one maximal clone of partial ultrafunctions on two-element set by the predicate approach. © Siberian Federal University. All rights reserved.

Nomoev A.V.,Buryat State University
Technical Physics Letters | Year: 2012

Hollow nanoparticles of silicon dioxide (SiO 2) have been obtained using Cu/SiO 2 core-shell nanoparticles as precursors. An original technique based on heating the precursor nanoparticles to T = 400°C followed by a nanochemical reaction of copper oxide separation from hollow silica particles has been proposed and implemented for the first time. The obtained hollow SiO 2 nanoparticles have been studied by transmission electron microscopy. Mechanisms involved in the formation of hollow silica nanoparticles are discussed. © 2012 Pleiades Publishing, Ltd.

Nomoev A.V.,Buryat State University | Bardakhanov S.P.,Buryat State University
Technical Physics Letters | Year: 2012

Metal-semiconductor composite Ag-Si nanostructures, including Ag/Si core-shell nanoparticles, have been synthesized for the first time by a high-efficiency evaporation/condensation method using relativistic electron beam. In the Ag/Si core-shell nanoparticles, the core is crystalline, while the shell consists of amorphous silicon. It is found that the synthesis of these particles requires taking into account the difference in the saturated vapor pressures of evaporated components. The dependences of the particle size on the electron beam power at the evaporation stage and the pressure of argon at the condensation stage have been studied. It is established that (i) the main process of Ag/Si nanoparticle formation is coagulation and (ii) the Si shell formation decreases the size of particles. © 2012 Pleiades Publishing, Ltd.

Morzhin O.V.,Buryat State University
Automation and Remote Control | Year: 2010

In the nonlinear problems of optimal control, a nonlocal improvement procedure with a linear Skolem's function was constructed for the continuous and discrete systems on the basis of V.F. Krotov's theory of sufficient optimality conditions. Examples, including improvements of the singular and nonsingular Pontryagin extremals, were given. © Pleiades Publishing, Ltd., 2010.

Boldonova I.,Buryat State University
Journal of Landscape Ecology | Year: 2016

The article presents dialogic attitude towards nature and focuses on the aesthetic form of interaction with environment via folklore and imaginative writing. The article analyzes the development of scientific thought from human ecology to environmental hermeneutics. Hermeneutic methodology is used in the field of "aesthetics of nature", therefore, the author applies hermeneutic categories such as tradition, historically effective consciousness, hermeneutic circle, application to cultural heritage of one of Siberia's natives and proves the advantages, heuristic value of these categories in analyzing dialogue with nature. Aesthetic dialogue with nature is studied on the example of ethnic and ecological traditions of the Buryat nomads, who historically migrated across Central Asia, nowadays live around Lake Baikal. The author argues that revitalizing ethnic and ecological traditions in folklore and contemporary national literature presents a hermeneutic dialogue with nature and considers it a valuable resource for ethical assumptions and ecological education for sustainable development.

Buldaev A.S.,Buryat State University
Automation and Remote Control | Year: 2011

We construct a special differential-algebraic boundary problem for nonlocal control improvement in systems linear with respect to the control. Based on the improvement boundary problem, we formulate a new necessary optimality condition that strengthens the maximum principle. For controls satisfying the maximum principle, we give examples of strict improvement with the proposed boundary problem. © 2011 Pleiades Publishing, Ltd.

Fine-grained corundum-based ceramics have been obtained by pressing and subsequent sintering a mixture of nanodimensional alumina (Al2O3), magnesia (MgO) and silica (SiO2) powders. The structure and properties of the obtained ceramics have been studied by scanning electron microscopy, scanning probe microscopy, and X-ray diffraction analysis. It is established that the modifying additive of nanodisperse silica (0.05%) produces an almost 40% increase in the microhardness of ceramics. © 2010 Pleiades Publishing, Ltd.

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