The author presents main stages of synthesis of new biologically active oxazines, obtained as a result of the reaction: 1,6-diaryl-3,4-dihydroxy-2,4-hexadiene-1,6-dione with various Shiff bases. Obtained compounds have shown the antioxidant activity on the model of oxidative stress on the culture of bacterial cells Esсherichia coli BW 25113. These compounds are promising for further studying of other kinds of biological activity.
Worked-out motor oils are essential sources of environmental pollution. Large volumes of motor oils are used in all branches of the national economy. In the course or their exploitation they are oxidized and become useless. In the world practice the worked-out motor oils (WMO) are collected and regenerated. This is economically efficient and ecologically reasonable.
Results of experimental determination of the chemical composition of elements of the microstructure of the vanadium pentoxide solution are presented in the report.
The extraction of ions of Zn and Cd from acid thiocyanate solutions by melts of mixtures of diantipirilmethane and benzoic acid is studied. Optimal conditions of delamination and formation of liquids as well as extractions of metal ions are determined. The possibility of the quantitative extraction of ions of Zn and Cd from thiocyanate solutions by diantipirilalcanes is presented. The composition of extractable complex compounds is set and the mechanism of extraction is offered.
Optimal conditions of the field delamination in the system antipyrinum - sulfosalicylic acid - water are found. They depend on the base compounds concentrations, the medium acidity and the salting-out agent. The received organic phase extracts macro-amounts of indium (III) and stannum (II, IV) effectively. The composition and the extracted compounds mechanism are determined and the method of their selective extraction is suggested.
Authors have carried out a study of mechanical properties of coronary arteries (CA), computer-based 3D modeling and numerical analysis of the stress-strain state (SSS) and hemodynamics of the left and right coronary arteries. The arterial wall material was assumed to be linear isotropic, and the blood - a Newtonian fluid. The data on the coronary arteries was analyzed taking into account their interaction with the myocardium.
The method of high-speed filming spends experimental researches development of a wave of burning SHS in powder mixes of system Ni-Al. On the basis of the received data were defined characteristic spatially - time scales of thermal structure of wave SHS and temperature dynamics in a local point.
Usually the science dealing with the problem of creating coherent radiation is called quantum electronics. Studying the properties of laser radiation has opened new page in science - non-linear optics. It seems that both of these disciplines are very far from the gas dynamics that has no relation to the creation and application of lasers. The purpose of this paper to show that creation and use of lasers requires multiple solutions of gas dynamic problems which are the fundamental importance for the development of laser technology.
Concept of multidimensional embedded space was introduced. Three-dimensionality of physical world and ten-dimensionality of real Universe space was grounded. Principles of organization of multidimensional space were formulated. Conditional-graphical schemes of components of multidimensional space were proposed. Higher Reason's place and role in general scheme of multidimensional world was shown.
Certain aspects of conditions of formation of the students' general physical world outlook of are considered in the article. Scientific novelty of the research is the consideration of the trend of the higher education level improvement up to modern stage of science and technology from the standpoint of unity of three subjects of the natural scientific cycle - physics, astronomy and ecology. It will also help to study the psychological level of students’ perception of elements of astronomy in integration with physics - moreover, on basis of ecologization.
For automatic processing of expertise results at assessment of the quality of work the algorithm of detection of the expert quality assessment on the basis of indexes of the assessment matrix lines was built. Methods of assessment of quality of products, works or services require the use of subjective marks of experts. It is possible to use the grading system of quality indicators for the express-assessment of quality of production.
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