The paper presents a new constructive solutions of concrete ribbed slabs with prestressed reinforcement coating , in which the edges stretched zones have stepped shape. This helps outline the cliff high prestressed reinforcement along the length of the element that allows you to increase the utilization rate of reinforcement in comparison with a standard solution.

Keywords: ribbed slabs covering equal resistance of prestressed reinforcement , stepped shape

The technology of producing foamed glass on the basis of technogenic waste, in particular high calcium waste and lithium-containing compounds, allowing to solve problems of ecology and resource saving. The possibility of using lithium-containing compounds as mineralizing additives foaming foam glass batch. Studied basic properties of foam glass.

Keywords: preparation of foam glass, industrial waste, high calcium waste, lithium-containing compounds, foaming foam glass batch, lithium-cobalt-oxide material, building insulation materials

The quantity of carbide component in the deposited coating made subsonic and supersonic gas-powder surfacing. The investigations, which revealed that the preferred method is a supersonic gas-powder surfacing in the lower position.

Keywords: supersonic gas-powder cladding, carbide component, protective coatings, subsonic gas-powder cladding microstructure

in the article the analysis of professional and personal development of future specialists in social work, the concept of professional growth in the process of preparation and the holistic development of a Mature personality of a professional. The study of professional and personal competencies of a specialist in social work, formed during his student period. Presents the results of the main characteristics of professional and personal development of students of internal and correspondence forms of education communicative, reflective, organizational, social, and motivational and personal components.

Keywords: training, competence approach, the motive of choice of profession, professional installation, self-efficacy, self-development

in modern conditions become widespread trenchless methods for the construction of pipelines. The positive features of their use include increased speed pipeline installation, reducing the volume of excavation, etc. Existing regulatory documents limit the bending of the pipe at low temperatures need to be tested in terms of their applicability to new grades of polyethylene. The aim of this study was to determine the minimum permissible bending radius of the track, the passage of which in the conditions of negative temperatures polyethylene pipes PE80 would maintain its strength characteristics. By using a mathematical model dependency of the elastic modulus and yield point are calculated from the temperature stresses in the walls of pipes of different diameters in bending under different temperatures. In order to establish empirical relationships voltage on the pipe diameter and the radius of its bend procedure is carried out function approximation method of least squares. Presented obtained graphic dependences. Using the values ​​of the yield strength of the material at different temperatures were calculated bending radius of all dimensions. If the production of the track plow trenchless pipe-layer will be considered given the conditions, you will be provided with the necessary conditions for installation.

Keywords: plastic pipe, trenchless pipe layer, the stress-strain state, trenchless techniques, pipelining

The article is devoted to highlighting the problems of fish protection identified in the inspection process intake of Rostov-on-Don in pos.Aleksandrovka. Based on studies graphs of velocities in different alignments ladle water intake.

Keywords: water intake, hydro-morphological study of fish protection, water intake scoop, slush, freezing, water inlet filter is applied, siltation of the reservoir

The article is devoted to the results of morphological studies in the area of the Don river water intake facilities of Rostov-on-Don. Investigations of ice phenomena, water-level regime, built hydrographers.

Keywords: water intake, hydro-morphological study of fish protection, water intake scoop, slush, freezing, water inlet filter is applied, siltation of the reservoir

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 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

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

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

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

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.

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.

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