№ 111(7), September, 2015
Public date: 30.09.2015
Archive of journal: Articles count 117, 260 kb
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ANTHROPOGENIC DISTURBANCE RESEARCH OF NATURAL ENVIRONMENT IN THE CONDITIONS OF SANDPITS
06.00.00 Agricultural sciences
DescriptionIn this article, an anthropogenic influence on natural ecosystem such as an excavation of sand is discussed. Investigations were done in Kuyar Forest District of the Mari El Republic on a sandpit. The adjacent plot of natural forest was taken as a control. For evaluation the degree of environment transformation as a result of sand excavation several indicators were used. As indicators of physical soil degradation - thickness of organogenic horizon and soil density; for assessment a chemical degradation – content of main nutrients and humus; as an indicator of biological degradation – the level of active microbial biomass. Besides, a potential phytotoxicity was estimated. The study proved: physical and chemical parameters corresponded with the fourth degree of soil degradation, at the same time, biological parameters approximated to parameters of soil from natural territory
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Description
The goal of the study is to research experimentally a pseudo-noise sequence acquisition method for multicarrier communication systems of MC-DSCDMA, that allows low hardware requirements and able to operate in low quality channels. The way of achieving this lies in using a specially developed computer model of algorithm in Simulink. The achieved results have shown high efficiency of the considered acquisition method in contrast to sequential search method. The proposed algorithm can be used in multicarrier systems for acquisition of aperiodic pseudo-noise sequences in wireless public networks and in military communication networks
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Description
The present article belongs to the area of organic chemistry, namely, to chemistry of heterocyclic compounds. For the purpose of optimization of a method of synthesis the threecyclic heteroaromatic systems containing a pyridi-ne, thiophen and pyrimidine ring in one molecule, - tetrahydropyridothienopyrimidinon and dihydropyri-dothienopyrimidinon – reaction 3-aminothieno[2,3-b]-pyridine-2-carbokxamides with aromatic aldehydes is studied, some of which contain pharmacolodical groups. Reaction was carried out in the conditions of an acid catalysis – is used p-TsOH. Influence of the nature of solvent (toluene, ethanol, mix ethanol-dimethilform-amide (1:1)) on the course and the direction of reaction are studied. It is established that carrying out reaction in toluene leads to the dihydropyrimidine containing in situation 2 phenyl, 4-bromphenyl deputies. In the presence in a molecule of initial aldehyde of the deputy in orto-situation tetrahydropyrimidine are formed. Use of ethanol mainly leads to formation of a tetrahydro-pyrimidine ring. Boiling of initial substances in mix ethanol-DMF yields the results similar to use of toluene, but time of reaction is reduced twice. The way of receiving the dihydroderivatives short-term boiling of tetrahydropyrimidine is found in mix isopropanol-DMF (a volume ratio of solvents 1:3). Identity of the received substances is proved by method of a thin layer chroma-tography. The structure of the synthesized connections is confirmed with the element analysis. The structure of tertagidropirimidinon and digidropirimidinon is proved with use of data of IK and NMR 1H of the spectral analysis
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INTEREST IN POLITICS AND PROTEST ACTIVITY OF YOUTH IN THE MIRROR OF EMPIRICAL STUDIES
22.00.00 Sociological sciences
DescriptionIn the article, some results of empirical sociological research of problems of political socialization of youth are discussed. The answers of respondents to questions of interest in policy, the ethnic conflicts and protest activity are analyzed. The main reasons for extremist moods in the youth environment are established
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PRODUCTION PROCESS DESIGN OF FUNCTIONAL FOOD PRODUCTS BASED ON FUNCTIONAL VALUE ANALYSES
DescriptionThe article substantiates the feasibility of the method of functional value analysis application to ensure high efficiency for the production of functional food products. This article describes the design technique of food functionality based on the methodology of value analysis, allowing considering such factors as consumer preferences, nutritional, functional value, economic and technological indicators while developing product formulations and technologies. With the example of flour confectionery functional production there have been developed: structural model for the production of functional food products, the scheme of evaluation of the value functions, with due consideration of consumer preferences
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INFLUENCE OF A WAY OF CRUSHING ON ACTIVITY OF INGREDIENTS OF CONCRETE MIX
DescriptionThe article presents the results of the researches of the influence of a way of crushing on activity of ingredients of concrete mix. It is shown that sand crushing by method of free kick in a planetary mill of AGO-2 allows not only to raise its specific surface, to receive the demanded particle size distribution, but also to improve quality of a surface of particles by removal, destruction of superficial inactive films. On a new surface of sand excess energy concentrates, the active centers are formed and there is a fixing of germs of new growths of products of hydration of cement in a place of an exit of dislocations to surfaces of crystals of sand that leads to substantial increase of chemical activity and reactionary ability of sand
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Description
The article discusses the Genesis of Islam and its role in the development of Muslim law family, highlights the main sources of Muslim law legal families. It is noted an important role of standards in Islamic law developed by the theologians of the activities in the process of interpretation in filling gaps in the law. All this has led to the emergence of different schools or sects, which contributed to the creation of many ideologically warring with each other Muslim sects. The followers of these movements convince their supporters that the rest courses are false. The article notes that currently, in general, the Muslim law has not lost its position. Modern Islamic community of the world has about a billion and a half followers. The Muslim law has not only maintained its position, but also extends its sphere of influence. Islam – the youngest world religion - enters the countries whose people earlier professed Christianity, Hinduism, Buddhism, etc., the Followers of Islam, moving to other countries, almost do not assimilate. So, the Islamic community in Europe is practically not subjected to European influence. Some of the legal institutions in a number of non-Muslim countries are subjected to Islamization. In some countries, Islamic law is not considered as legally valid, but it works in fact. This happens in the Muslim enclaves of Europe, it is happening in Russia, particularly in the republics of the North Caucasus
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THE MATHEMATICALLY BASED CHOISE OF VISCOELASTIC IN SHUNT GLAUCOMA SURGERY
DescriptionThe dramatic lowering of intraocular pressure (hypotony) is developing during glaucomatous surgery due to the formation of the new aqueous humor outflow. The calculations of the flow in the fluid balance parameters have shown, that for the normal intraocular pressure maintenance in the postoperative period the fluid flow out of the anterior chamber should not exceed 0,04 microliter in minute. The intensity of the aqueous humor outflow through the shunts with different parameters does not depend on the shunt length. The shunt with the inner hole radius 0,025 mm is the most safe as it provide the less outflow. The experimental comparative study of the static viscosity of the most widely used viscoelastics in ophthalmological surgery was carried out. It was stated that used in eye surgery viscoelastics on the basis of 1%, 2% and 3% sodium hyaluronate possess the viscosity, that differs in 10 and 100 times and has significant influence on the flow intensity out of the anterior chamber when the new outflow tracts are formed. The mathematically based choice of the most optimal relationship between the viscoelastics physical parameters and the inner hole size of the shunt type glaucoma drainage devices was established. Shunt with the inner hole radius 0,05 mm and simultaneous use of 2% and 3% sodium hyaluronate solution is the most safe for the maintenance of the eye tonus during the first 5 days after glaucoma surgery. The presented correlation allows to increase the safety of the surgical treatment of the patients with the refractory glaucoma
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THE DEFORMATION EFFECT OF VM SLIDER MULTI COMPLEX MACHINE SERIES ON PRECISION MACHINING
DescriptionThe article is devoted to the problems of increasing the economic growth of the Russian Federation, the development of high-tech knowledge-intensive manufacturing industries on the basis of a fundamentally new technological order, new unmanned technologies. The measures to improve the accuracy of manufacturing of complex and large-sized parts. Currently, the technical level of many sectors of the economy is largely determined by the level of production of means of production. The basis of these means is the machine tool industry. On the basis of machine tool development we handle a comprehensive mechanization and automation of production processes in industry, construction, agriculture, transport and other industries. We completed a comprehensive analysis of the errors affecting the manufacturing precision parts. The activities for improving the accuracy of manufacture based on VM 32 multi-machine complex series were proposed. We made the analysis of the cutting forces influence and the cross-sectional shape of the slide on its deformation for various types of processing. We determined the optimal shape of the cross section of the slider to increase stiffness and reduce deformation of the slide in metal cutting
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19.00.00 Psychological sciences
DescriptionThe article shows that it's possible to determine and predict the level of stress resistance in medical professionals via the dynamics of the regulatoryadaptive status