Structural-phase state and mechanical properties of submicrocrystalline titanium alloy Ti-6Al-4V obtained with use of reversible hydrogen alloying

Features of evolution of structural-phase state of titanium alloy Ti-6Al-4V at the process of submicrocrystalline structure formation using reversible hydrogen alloying have been investigated by methods of electron microscopic and X-ray diffraction analyses. Influence of hydrogen alloying on mechanical properties at stretching of submicrocrystalline titanium alloy Ti-6Al-4V in temperature interval of 293...1023 K was studied. Possible reasons of increase in ultimate and yield strength and reduction of deformation to destruction of submicrocrystalline alloy Ti-6Al-4V in temperature interval 873...1023 K at hydrogen alloying in quantity 0,08...0,33 mas. % were discusse

ПОДАТКОВИЙ ПОТЕНЦІАЛ РЕГІОНУ, ЙОГО ОСОБЛИВОСТІ РОЗВИТКУ І РЕАЛІЗАЦІЇ

The slowdown in economic growth highlights the problem of developing tax capacity at various levels, therefore the article is devoted to the consideration of practical aspects of the assessment of the tax potential. On the example of the Belgorod region, trends in the development and increase of the tax potential were identified, measures of activation of the elements of the structure of the potential, which are essential for the budget, were proposed.The paper uses methods of comparative analysis, analysis of key indicators of tax and non–tax revenues. Conclusions are made on the need to prioritize areas for the development of tax capacity, to increase the region's independence and to create tax conditions for conducting entrepreneurial activity in the territory.Замедление темпов экономического роста выводит на первый план проблемы развития налогового потенциала на различных уровнях, поэтому статья посвящена рассмотрению практических аспектов оценки налогового потенциала. На примере Белгородской области идентифицированы тенденции развития и наращивания налогового потенциала, предложены меры активизации элементов структуры потенциала, которые имеют существенное значение для бюджета.В работе использованы методы сравнительного анализа, анализа ключевых показателей налоговых и неналоговых доходов. Сделаны выводы о необходимости выделения приоритетных направлений для развития налогового потенциала, повышения самостоятельности региона и создания налоговых условий для ведения предпринимательской деятельности на территории. Уповільнення темпів економічного зростання виводить на перший план проблеми розвитку податкового потенціалу на різних рівнях, тому стаття присвячена розгляду практичних аспектів оцінки податкового потенціалу. На прикладі Бєлгородської області ідентифіковані тенденції розвитку та нарощування податкового потенціалу, запропоновано заходи активізації елементів структури потенціалу, які мають істотне значення для бюджету.В роботі використані методи порівняльного аналізу, аналізу ключових показників податкових і неподаткових доходів. Зроблені висновки про необхідність виділення пріоритетних напрямків для розвитку податкового потенціалу, підвищення самостійності регіону та створення податкових умов для ведення підприємницької діяльності на території

Funktionales semantisches feld der evidentialitätsmarker im modernen Deutsch

Im Artikel werden der Versuch einer Definition der Evidentialität als lexikalische semantische Kategorie und ein kurzer Übersicht sprachlicher Ausdrücke gegeben, die als Evidentialitätsmarker im Deutschen angesehen werden könne

The influence silicon dioxide nanoparticles on mechanical properties of erythrocyte and platelet membranes estimated by atomic force microscopy method

The investigation performed within the Programs of State Research “Energy systems, process and technologies”, project 2.2

Spin-orbital Conversion of Bessel Light Beams By Liquid Crystal Elements

For the first time, the spin-orbital conversion of the linearly polarized Bessel beams in the process of their propagation in the electrically-controlled liquid crystal cell has been realized experimentally. Variations in the polarization, phase, and spatial structure of the beam have been analyzed. It has been shown that, when a Bessel beam is propagating along the liquid crystal director, the generated beam is orthogonally polarized, whereas the topological charge is varied by two unities. Keywords: Bessel light beams, spin-orbital conversion; liquid crystal

The application of an assisting gas plasma generator for low-temperature magnetron sputtering of Ti-C-Mo-S antifriction coatings on titanium alloys

The positive effect of assisting influence of high-density gas plasma formed by an independent plasma generator PINK on mechanical and tribological characteristics of Ti-C-Mo-S magnetron coating on titanium alloys at lowered to 350°С temperature of coating regardless of alloy structural condition was revealed by methods of calotest, nanorecognition, scratch testing and frictional material tests. The coating formed by means of a combined magnetron plasma method reduces titanium alloys friction coefficient in multiple times and increases wear resistance by two orders of magnitude. At the same time the mechanical properties of ultra-fine-grained titanium alloys obtained by nanostructuring do not deteriorate

Cloning and Characterization of Subunits of the T-Cell Receptor and Murine Leukemia Virus Enhancer Core-Binding Factor.

Moloney murine leukemia virus causes thymic leukemias when injected into newborn mice. A major determinant of the thymic disease specificity of Moloney virus genetically maps to the conserved viral core motif in the Moloney virus enhancer. Point mutations introduced into the core site significantly shifted the disease specificity of the Moloney virus from thymic leukemia to erythroid leukemia (N.A. Speck, B. Renjifo, E. Golemis, T.N. Fredrickson, J.W. Hartley, and N. Hopkins, Genes Dev. 4:233-242, 1990). We previously reported the purification of core-binding factors (CBF) from calf thymus nuclei (S. Wang and N.A. Speck, Mol. Cell. Biol. 12:89-102, 1992). CBF binds to core sites in murine leukemia virus and T-cell receptor enhancers. Affinity-purified CBF contains multiple polypeptides. In this study, we sequenced five tryptic peptides from two of the bovine CBF proteins and isolated three cDNA clones from a mouse thymus cDNA library encoding three of the tryptic peptides from the bovine proteins. The cDNA clones, which we call CBF beta p22.0, CBF beta p21.5, and CBF beta p17.6, encode three highly related but distinct proteins with deduced molecular sizes of 22.0, 21.5, and 17.6 kDa that appear to be translated from multiply spliced mRNAs transcribed from the same gene. CBF beta p22.0, CBF beta p21.5, and CBF beta p17.6 do not by themselves bind the core site. However, CBF beta p22.0 and CBF beta p21.5 form a complex with DNA-binding CBF alpha subunits and as a result decrease the rate of dissociation of the CBF protein-DNA complex. Association of the CBF beta subunits does not extend the phosphate contacts in the binding site. We propose that CBF beta is a non-DNA-binding subunit of CBF and does not contact DNA directly

The nfluence of microparticulate on acid coagulation of milk proteins in curd manufacture

One of the important trends of whey processing is the modification of its composition and properties for the applications in curd technology. Modification of whey composition and properties included ultrafiltration concentration and subsequent microparticulation of the concentrate obtained. Selected modes allowed to obtain particles of microparticulate of whey proteins similar to fat globules in shape and size. Whey proteins microparticulate was proposed to use in curd technology. The influence of mass fraction of whey proteins microparticulate on the process of fermentation and acid clot formation in the production of low-fat curd was investigated. The most intensive growth and titratable and active acidity was observed in samples of curd clots with a mass fraction of whey proteins microparticulate from 10 to 15%. The analysis of organoleptic characteristics of curd clots led to the conclusion that the introduction _ of whey proteins microparticulate gives a smooth appearance to the clot, increases the density, adds a creamy taste. In the process of self-pressing _ of whey proteins microparticulate particles embedded inside impede the process of densification, and the mass fraction of moisture in the curd increases. Application _ of whey proteins microparticulate intensifies the process of curd clot formation and increases the yield of the finished product by 20 - 30%. Application of whey proteins microparticulate for enrichment of normalized mixture in the production of curd allows to expand the range of low-calorie protein products contributes to the intensification of the process of ripening of enriched normalized mixture, increases the yield of curd and its biological value