1,572 research outputs found

    ANALYSIS OF THE CHEMICAL COMPOSITION OF CHAROITE ROCKS

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    The unique charoite mineralization, established on the Murun alkaline massif in the northwestern part of the Aldan shield on the border of the Irkutsk region and Yakutia, is still of great interest to some of researchers (geologists, crystallographers, geochemists, etc.). The outcrops of charoite-bearing rocks at the “Sirenevyi Kamen” deposit are noted both in the indigenous outcrops and in eluvial clatters [Bondarenko, 2009].The unique charoite mineralization, established on the Murun alkaline massif in the northwestern part of the Aldan shield on the border of the Irkutsk region and Yakutia, is still of great interest to some of researchers (geologists, crystallographers, geochemists, etc.). The outcrops of charoite-bearing rocks at the “Sirenevyi Kamen” deposit are noted both in the indigenous outcrops and in eluvial clatters [Bondarenko, 2009]

    The simulation model of the computer cluster

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    Simulation is often used in cases when it is impossible to carry out experiments with real complex objects. The article represents the description of the computer cluster simulation model. Parameters, which affect the cluster performance, were selected, a simulation model was designed, and experiments were conducted. The obtained model allowed finding the optimal variant of the cluster performance, which consists of five computers

    The POTENTIAL IMPLEMENTATION OF A FREE TRADE AREA ON A TWO- SIDED AND MANY-SIDED

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    El artículo está dedicado al análisis de la implementación potencial de las áreas de libre comercio (TLC) sobre una base doble y múltiple y los principales problemas de desarrollo de las relaciones económicas entre la Unión Económica Euroasiática (EAEU) y el República Socialista de Vietnam (la SRV). El análisis del comercio exterior entre países de la EAEU y Vietnam se realiza sobre la base del modelo de gravedad del autor que puede usarse para analizar el desarrollo de las conexiones de comercio exterior entre la EAEU y otros países. Según el modelo de gravedad del autor, se demuestra que el Tratado de Libre Comercio es un instrumento bastante efectivo para las relaciones comerciales de desarrollo entre paísesO artigo é dedicado à análise da potencial implementação de áreas de livre comércio (TLC) em dois lados e em vários lados e os principais problemas de desenvolvimento das relações econômicas entre a União Econômica da Eurásia (EAEU) e a República Socialista do Vietnã (SRV). A análise do comércio exterior entre os países da EAEU e o Vietnã é realizada com base no modelo de gravidade do autor, que pode ser usado para analisar o desenvolvimento de conexões de comércio exterior entre a EAEU e outros países. De acordo com o modelo de gravidade do autor, está provado que o Acordo de Livre Comércio é um instrumento bastante eficaz para o desenvolvimento das relações comerciais entre os países.The article is devoted to the analysis of the potential implementation of free trade areas (the FTA) on a two-sided and many-sided basis and main problems of development the economic relations between the Eurasian Economic Union (the EAEU) and the Socialist Republic of Vietnam (the SRV). The analysis of the foreign trade between countries of the EAEU and Vietnam is fulfilled on the base of author’s gravity model which can be used fo

    Konus-Wind and Helicon-Coronas-F Observations of Solar Flares

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    Results of solar flare observations obtained in the Konus-Wind experiment from November, 1994 to December, 2013 and in the Helicon Coronas-F experiment during its operation from 2001 to 2005, are presented. For the periods indicated Konus-Wind detected in the trigger mode 834 solar flares, and Helicon-Coronas-F detected more than 300 solar flares. A description of the instruments and data processing techniques are given. As an example, the analysis of the spectral evolution of the flares SOL2012-11-08T02:19 (M 1.7) and SOL2002-03-10T01:34 (C5.1) is made with the Konus-Wind data and the flare SOL2003-10-26T06:11 (X1.2) is analyzed in the 2.223 MeV deuterium line with the Helicon-Coronas-F data.Comment: Published version. A list of the Konus-Wind solar flare triggers and figures of their time profiles are available at http://www.ioffe.ru/LEA/Solar

    Topological energy barrier for skyrmion lattice formation in MnSi

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    We report the direct measurement of the topological skyrmion energy barrier through a hysteresis of the skyrmion lattice in the chiral magnet MnSi. Measurements were made using small-angle neutron scattering with a custom-built resistive coil to allow for high-precision minor hysteresis loops. The experimental data was analyzed using an adapted Preisach model to quantify the energy barrier for skyrmion formation and corroborated by the minimum-energy path analysis based on atomistic spin simulations. We reveal that the skyrmion lattice in MnSi forms from the conical phase progressively in small domains, each of which consisting of hundreds of skyrmions, and with an activation barrier of several eV.Comment: Final accepted versio

    Psychological and pedagogical support for the social workers professional development

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    The effectiveness of psychological andpedagogical support is determined by the following factors: self-determination and voluntary participation; activating education results; taking into account and developing social workers’ educational needs; the use of the dichotomic and humanistic approaches; social workers’ selfdetermination; interactive mode of cooperation, democratic style of communicatio

    In Vitro Cytotoxicity of CdSe/ZnS Quantum Dots and Their Interaction with Biological Systems

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    Semiconductor nanocrystals (quantum dots, QDs) have a wide range of potential application in multiplexed tissue and cell imaging, and for in vivo molecular diagnostics and therapy. Therefore studying of the toxicity of QDs and their influence on various cellular processes in vitro is necessary to understand their interaction with living systems.; The paper presents the results of studies on the evaluation of CdSe/ZnS QD cytotoxicity, as well as the results of studying their interaction with freshly prepared human monocytes in vitro. Keywords: Quantum dots, semiconductor nanocrystals, cytotoxicity, in vitro models, monocytes
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