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  • Model manufacturing technology of the cost-iron cap of a side bearing

    In this paper developed solid model of the cap of a side bearing. It made of cast iron of (ВАГР-113.00.00.006) Altai steel casting factory (ASCF). We simulated desing technologikal parametrs, wich give casting disinh without casting defects.

    Keywords: technology, modeling, pig-iron cap of a side bearing, solid-state model of a pig-iron cap of a side bearing

  • The specifics and trends of legal regulation of entrepreneurship in Russia in the IX-XIX centuries

    The deals with the topical issues of legal regulation of entrepreneurial activity in Russia. Traced the General trends, various variants and development of entrepreneurship in historical perspective.

    Keywords: Economics of industry, enterprise, legal regulation of predprenimatelstva, history of entrepreneurship

  • Reduction of determination error of piezoresonators Q-factor parameter by discrete values of the frequency response

    It is offered to execute approximation by a direct line of values of the active component admittance of piezoresonators in the field of two adjacent points to level 0,5 from the maximum value for reduction error of determination of Q-factor by discrete values of the frequency response. Results of computer simulation and experimental research are provided

    Keywords: The piezoresonator, Q-factor, the frequency response of conductivity, measurement in the discrete values

  • Experience of teaching of the discipline «medical facilities» in Rostov state medical university

    The article is devoted to the experience of teaching of the discipline «Medical Facilities» in Rostov State Medical University in compliance with the 2010 year State Educational Standard of Higher Vocational Education. The structure of the discipline, technical supplying, methods of conducting practical and theoretical lessons, rating grading system are discussed.

    Keywords: Higher school; the teaching of natural sciences; biophysics; medical facilities; rating grading system

  • Improving the technology of municipal wastewater treatment with the use of the sorbent on the basis of surplus sludge

    In the framework of the given article shall be considered a negative impact on microorganisms of ions of zinc, copper and Nickel concentrations in the incoming wastewater to the wastewater treatment facilities of the cities of the Lower Volga region is unacceptably high, which inevitably reduces the quality of the purified water at the indicated metals exceeding the output after biological treatment is more than 30 times). Further, in the proposed article, we describe the results of studies aimed at disposal and treatment of waste activated sludge. The first attempt to use the resulting after biological purification of waste as a secondary raw material for the adsorption material, which retrieves the designated heavy metal ions from wastewaters prior to biological treatment, which allows further the activated sludge fully interact with other ions without losing their functions. As a result, after the biological cycle treated water at the indicated metals, meets the relevant standards.

    Keywords: urban wastewater, biological treatment, heavy metal ions, sorption, activated sludge, adsorbent, filter segment

  • On the question of the influence of water bodies in the basin of the river Kuban growing problem of iodine deficiency

    The paper analyzes the influence of anthropogenic and climatic factors and changes in aquatic ecosystems Kuban basin on the growing problem of iodine deficiency. The analysis allows to see that the additional impact of complex human influence adversely affects the incidence of thyroid disease population zhelezy.Predstavleny recommendations for addressing environmental health and reduce the risk of iodine deficiency disorders.

    Keywords: anthropogenic load, Pool Kuban River, iodine deficiency disorders, goitrogenic effect preventive measures.

  • Ecological forecasting of water pollution Heavy metal

    Long found a direct link between the quality of drinking water and human longevity. Heavy metals getting into our bodies remain there forever, you can get them only with the help of milk proteins and porcini mushrooms. They poison human body, they are also mechanically clog it - heavy metal ions deposited on the walls of the body and thinnest systems clog channels kidney, liver channels, thereby reducing the filtration capacity of these organs. Accordingly, this leads to an accumulation of toxins and waste products of cells of our body, i.e. self-poisoning organism. Ecological forecasting is based on a miscalculation of the possible future behavior of natural systems under the influence of both natural processes and anthropogenic factors. It is therefore advisable during environmental monitoring use spatial modeling of pollutants in the aquatic environment, which will allow to visualize the distribution of pollutants and to reveal the dynamics of pollution. The results of modeling the distribution of pollutants into waters of the Gulf of Taganrog.

    Keywords: Ecological forecasting, environmental monitoring, drinking water, heavy metals.

  • The algorithm of selection process of measuring instruments for conducting instrumental control of harmful productions factors

    А key element in the system of public administration by labor protection is receiving reliable information about a condition of working conditions depending on levels of influence of harmful and dangerous production factors. Instrumentional monitoring of workings conditions on workplaces is carry on production control of harmful production factors and procedure of a special assessment of working conditions by test laboratories. Thus one of the tasks demanding the decision is development of algorithm of process of a choice of the measuring instruments satisfying areas of accreditation of test laboratory and to the state requirements to performance of these works. For the solution of an objective the author offers a technique of an optimum choice of the instrument equipment which basis the method of expert evaluations (rank correlation). According to basic provisions of a technique in scientific work the algorithm of process of a choice of measuring instruments for carry on of instrumental control of harmful production factors is presented. Criteria of a choice of devices are considered. The mathematical model of process of a choice of measuring equipment including ranging of criteria of a choice of devices is described. According to results of ranging the leading, essential and less significant criteria of a choice for the instrument group participating in experiment are defined. In view of the leading and essential parameters of a choice of the equipment, the complete set of test laboratory by the necessary instrument equipment, according to area of analytical tasks and conditions of measurement install.

    Keywords: instrumental control, monitoring of harmful factors, the method of selection of equipment, means of measurement, method of expert estimations

  • Design of CMOS op-amp at 1 V

    Problems for the design of low-voltage CMOS op-amps are considered: low voltage headroom for signal swings, increase the swing of input and output common-mode signal and sustainability when the feedback. Ways to implement input and output stages of low-voltage CMOS op-amps for technology 0.13 um at 1 V are investigated. The ways of frequency compensation are investigated. According to the results of modeling the best gain and the largest swing of input and output signal have continuous in time common-mode feedback circuit (CMFB) and the proposed two-stage current mirrors op-amp. These op-amps can be applied at a supply voltage ~ 1 V.

    Keywords: low-voltage CMOS operational amplifiers (op-amps), the input and output swing, miller-effect frequency compensation

  • Improvement of water treatment surfactants for water recycling (for example, swimming pools)

    Considered clean water in swimming pools, on nonionic and anionic surfactants with special adsorbents. Water purification pools plavatelnyx unique, first of all, because the water contains various types of pollution, which it is exposed. Most of these contaminants are introduced by the users of the swimming pool and they have to be removed or destroyed (bacteria, viruses, organic, sweat, hair, makeup, etc.). Treatment of swimming pool water is much more complicated because of the need to carry out her many times, than drinking water treatment, which is carried out one-time. Based on these studies, given technological solution to improve the efficiency of purification of circulating water in swimming pools, ensuring high environmental and economic performance of water treatment.

    Keywords: recycling of water, swimming pools, surface-active agents (surfactants), azotoammoniynye organic compounds (AOC), a rapid method of analysis

  • Sorbents for the desalination of saline water from surface sources

    Problems of the treatment of highly mineralized water from surface sources. Today, more than 70% of rivers and lakes has lost its main function as sources of drinking water. An important problem is to find technological solutions that take into account the territorial features and allows you to create reliable purification of saline natural waters with minimal capital and operating costs. In the present paper presents the results of a study of the composition and properties of natural raw chocolate clay Altonaga field, studied its sorption properties.

    Keywords: the quality of water, saline water, surface water sources, the sorbent

  • A generalized method for studying the mobility of flat mechanisms manipulators

    Studied mobility planar four-link mechanism of the manipulator in a predetermined area of the workspace. A method for determining the maximum rates for selected destinations for the mechanisms of manipulators with motor redundancy.

    Keywords: own properties mechanisms manipulators, mobility manipulators, robots for the synthesis of movement velocity vector

  • Issledovanie temperaturnyh zon absorbcionnoj kolonny v processe ochistki serougleroda

    Stat'ja posvjashhena issledovaniju temperaturnyh zon absorbcionnoj kolonny v processe ochistki serougleroda. Issledovanie provoditsja na osnovanii rasschitannyh linii regressii dlja kazhdoj iz 3 temperaturnyh zon absorbcionnoj kolonny. Ishodja iz poluchennyh dannyh, delaetsja vyvod o stepeni vlijanija kazhdoj iz issledovannyh temperaturnyh zon na kachestvo regulirovanija dannogo processa v celom.

    Keywords: Serouglerod, absorbcija, regressija, absorbent, shkala Cheddoka, temperaturnaja zona, avtomatizacija, temperatura, matematicheskoe ozhidanie, dispersija

  • Organizational and technological solutions of energy rehabilitation of housing stock in the 60s xx century building

    Now the technical condition of residential buildings 60s buildings has reached a high degree of wear when you want to repair their mass implementation of energy rehabilitation of housing and upgrading. This scientific article describes the organizational and technological features of the energy rehabilitation of housing built in the 60s of XX century. The article describes the main types of series of houses built in the period of their technical features of buildings energy efficiency class of buildings. A model of information resource and technological ensuring energy rehabilitation of housing, on the basis of which the selection of energy-efficient solutions of residential buildings at the pre-stage reconstruction or repair. The major elements of this system are the blocks of economic and technical evaluation of design decisions on the basis of which is determined by the most effective ones.

    Keywords: organizational and technological support, the organization of repairs, energy conservation, energy efficiency

  • Experimental investigation on the quality of holes in the multi-layered GFRP-titanium obtained in drilling operations

    The purpose of this work was to study the influence of the structural and geometric parameters of the twist drill on the quality of the processed hole and productivity of machining the high strength polymeric composite material – glass fiber epoxy-based plastics that are reinforced by titanium foil. In the structure of high loaded polymeric composite parts the reinforcing layers made from the titanium foil are used. These titanium layers are placed between layers of the winding unidirectional glass fiber tape or the carbon fiber tape. In order to reach the required dimensional accuracy, the macro- and micro geometry of the hole surfaces, to eliminate the overheat, burning, and delaminations of material, need to use sharp-edged tools, which wear out quickly, and remove the drill from the workpiece at frequent intervals to clean the chips from the flutes of the drill and the hole being drilled. We studied the drilling of glass fiber reinforced laminates at the different schemes of sharpening the drills made from the high-speed steel. We present some experimental results of the optimal feed and speed for the studied twist drills, the dependencies of the highness parameters of roughness, and also characters and degree of delamination at starting and finishing hole for the different tools, feed and cutting speed.

    Keywords: GFRP, drilling GFRP, delaminations, double-angle sharpening