938 research outputs found

    Современные методики оценки взаимодействия акторов инновационных систем

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    The article deals with methods of actor`s evaluation. Practice shows that in Russia today, the main problem of the transition to the innovative way of development is the lack of an effective system of interaction between actors in the innovation system. To date, there is no single methodology for assessing the processes that take place between the actors of the innovation system

    Design of a sensor cell line based on the germline version of the Hivspecific broadly neutralizing antibody 10E8

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    Identification of antigens driving affinity maturation of broadly neutralizing antibodies is one of the most challenging endeavors in the HIV vaccine development field. In order to isolate such candidate immunogens and to analyze whether they may activate B-cells expressing BCRs based on immature/germline forms of broadly neutralizing antibodies, a robust test system that faithfully recapitulates human B-cell biology would be indispensable. Thus, developing a human В-cell sensor line with surface expression of a germline variant of broadly neutralizing antibody 10E8 may represent one of the possible solutions

    Modern software for processing navigation measurements of GLONASS/GPS and their features

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    The article gives examples of specialized programs «ModBis24», «Etna», developed with the direct participation of the author. A key goal of development is to improve the methods and algorithms of collecting, processing, storage and use of GLONASS and GPS measurements

    Spectroscopic study of double sulphides of molybdenum (IV) and rhenium (IV)

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    Dichalcogenides of transition metals are especially interesting. Majority of chalcoginides are semiconductors and some of them show interesting properties in certain regions of optical spectrum. Such properties allow application of these compounds in optico-electronics, radio-photonics, laser physics etc. Direct synthesis one of simple chalcogenides - rhenium disulphide - has been carried out from source components: metallic rhenium and elemental sulfur. In this research we used high temperature annealing at 1000 0C and the pressure of 10-5 atm in 24 hours. The synthesis was carried out in a sealed quartz ampoule. Photoelectron spectra and IR absorption spectra of molybdenum disulfide (IV) and rhenium disulfide (IV) were measured during the research. We shows that rhenium disulfide (IV) crystallize in CdI2 structural type. S2p sulfur bond energy for molybdenum disulfide (IV) and rhenium disulfide (IV) are at almost identical values. IR spectrum analysis shows that rhenium disulfide (IV) structure compared with molybdenum disulfide (IV)

    Распределение примесных ионов в поверхностных слоях диэлектриков, модифицированных ионными пучками

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    The results of studies of impurity ions distribution in surface layers of dielectric modified by ion beams are presented. Depth profiles were measured by secondary ion mass spectrometry method. Computer simulations of the expected ion depth profile were carried out using the TRIM program. The alumina ceramic implanted with Ti ions at energy 50 keV and zirconium ceramic implanted with Al ions at energy 78 keV were investigated in our work

    Исследование изменения реологических свойств водоугольного топлива на основе низкосортных углей с применением механической обработки и химических добавок

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    Выпускная квалификационная работа 93 с., 35 рис., 13 табл., 35 источников литературы. Ключевые слова: уголь, водоугольное топливо, суспензия, гидроксид натрия, лигносульфонат, роторный аппарат модуляции потоков. Объектом исследования является водоугольная суспензия. Цель работы – исследование влияния механической обработки и химических добавок на реологические свойства водоугольной суспензии. В процессе исследования проводились измерения вязкости, плотности и седиментационной устойчивости водоугольной суспензии на основе разных марок углей, а также были изучены характеристики ее зажигания. В результате исследования была проведена оценка воздействия механической обработки и химических добавок на реологические характеристики водоугольного топлива.The graduation thesis includes 93 pages, 35 figures, 13 tables, 35 references. Keywords: coal, coal-water fuel, slurry, sodium hydroxide, lignosulfonate, rotary flow modulation device. The object of this research is coal-water slurry. Aim of work is to investigate nfluence of mechanical processing and chemical additives on rheological properties of coal-water slurry. Viscosity, density and sedimentation stability of coal-water slurry based on different brands of coal were studied during this research, as well as its ignition characteristics. The impact of mechanical processing and chemical additives on rheological characteristics of coal-water fuel was evaluated
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