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  • Improved methods of selection of the site for the construction of solid waste landfills consumption

    Methodical principles for selection of sites for the construction of solid waste landfills consumption suggested by other authors, based on which proposed a new method of selection of the site for the construction of a solid waste landfill consumption, examines its main stages and highlights the main advantages  

    Keywords: Solid waste consumption, operation, methods of site selection for the disposal of solid waste consumption.

  • The methodological aspects of the management of sales economic entities

      The paper presents the developed methodological aspects of management of sales of company performance in the context of the proposed type of classification of consumer goods «Innovative product», «New product», «standard product», «Mass product» in the conditions of the competitive environment on the basis of regulation of the relationship between the number of (physical volume) of the goods sold and value added (trade imposing on them) for subsequent determination required to ensure the effectiveness of the sales volumes. 

    Keywords: Types of classification of consumer goods, «Innovative product», «New product», «standard product», the methodological approach to the management of sales, the Mechanism of management of sales

  • Modified gravity method in placement the distribution of port terminals rail transport technological systems

    The features of the port transport and technological systems from the point of choosing the location of the distribution terminal, as the damper areas on the directions of export cargo. The authors propose a modification values of the coefficient of proportionality fractional power function the gravitational model and introduced the term "measure transport gravity" to evaluate options for placement of distribution terminals in the transport network.

    Keywords: Port rail transport technology system, cargo traffic, distribution terminal, graph theory, a modified gravity model, a measure of the transport of gravitation factor saturation network connections

  • Thermoactivation current spectroscopy of electrically active centres in epitaxial monocrystalline films of (TmBi)3(FeGa)5O12:Ca2+ ferrite-garnet

    The spectra of thermally stimulated conduction currents (TSCC) in (TmBi)3(FeGa)5O12:Ca2+ ferrite-garnet films have been investigated with the purpose to reveal electrically active centres. The samples were fabricated by liquid phase epitaxy (LPE) from melt solution on the Gd3Ga5O12substrates with the crystallographic orientation (111) with the use of Bi-containing flux (without Pb). Increasing the concentration of Ca2+ions in the films were realised by increasing the concentration of CaO in the melt solution. The obtained films contained Ca2+ ions from 0,03 f.u to 0,1 f.u. With the help of standard thermoactivation current spectroscopy the spectra of the initial samples and samples subjected to ultraviolet radiation and negative corona discharge were obtained. The characteristic parameters of electrically active defects were calculated.

    Keywords: thermally induced electrical current, ferrite garnet films, electrically active centres, deep-level capture, charge compensation, Ca- doping, ТСТП-spectra, temperature position

  • Socio-psychological mechanisms of formation of corporate culture of students in higher educational establishments

      This article discusses some of the social and psychological mechanisms of formation of corporate culture, developing in the process of interpersonal interaction of teachers and students of the University. The need to examine corporate culture of higher education gives the opportunity to all participants in the educational process to identify themselves with the institution of higher education to successfully adapt to the social norms and values of the University. It shapes standards of behavior and responsibility for their implementation, as well as having a great influence both on the individual and the University as an organization and society at large. Corporate culture provides more efficient activity of the University, and its main purpose is to participate in shaping the future of skilled professionals.

    Keywords: corporate culture, interpersonal communication, adaptation, extroversion, introversion, neuroticism

  • The properties of the products of gravel crushing recycled concrete as inert aggregate concrete mixtures

    Study the properties of rubble, produced by crushing recycled concrete. Secondary crushing of concrete products in the mass contains 20% of the grains gravel fraction 20-40 mm and 40-50% of the fraction 5-20 mm. The resulting rubble is the brand for divisibility 300-600, and its abrasion is within the A2-A4. Both indices increase with increasing grain size. To assess the grain shape of rubble offered index φs, which is the ratio of grain surface rubble to the surface of the cube of equal volume.

    Keywords: concrete, crushing, gravel, crushability, wearability

  • Competitiveness evaluating and analysis for different compressed air drying methods

    Evaluating of the compressed air drying competitive methods for wagon depots are given in the article. The criteria for evaluating of each method are defined. The considered compressed air drying competitive methods profiles are built. The wet condensation ability effectiveness increase ways are defined.

    Keywords: Compressed air drying, Competitive profiles, Wagon depot, Expert estimation

  • The analysis of on-line transaction processing systems’ model with replication of database fragments designed by using principles the cloud environment

      The model of on-line transaction processing system architecture constructed by a principle of cloud structure is considered. The mathematical model of OLTP-system as the queuing system is offered. Results of modeling and their analysis are led.

    Keywords: On-line transaction processing system, Cloud architecture, Distributed database, Queuing system

  • A new approach to provide web accessibility for the blind users based on the enhance of navigational characteristics of web pages

    Most of web pages of the Web are inaccessible for the blind users. And the main reason is a lack of the semantics at the source code (technical) level of web pages and absence of the navigational components. In this work we propose a new web page representation---multiaxial navigation model---representing web documents in the form convinient for the blind users. Moreover, we present methodology for the navigation on the model proposed, that ensure an efficiency of user mobility. Automatic transformation of a web page into the multiaxial navigation model and navigation means are realized in the Blindzilla prototype. An efficiency of the proposed concepts is proven experimentally regarding contemporary screen readers, such as JAWS, Window-Eyes, and Fire Vox.

    Keywords: web accessibility, navigation, web page, web technologies

  • Development of defensive infrastructure in the St. Petersburg agglomeration

      Describes the status of defense infrastructure of Saint-Petersburg agglomeration, in the transport, engineering and social, and proposed the ways of its perspective development.

    Keywords: urban agglomerations, city, frame, transport, defense, defense infrastructure

  • The use of software and hardware solutions to the complex problems of the operational monitoring and determination of residual life of water conveyance facilities

    Software and hardware solution for the operational monitoring of the technical state of water conveyance structures designed to determine the various parameters of defects and damages, as well as of the forecast period the residual life of their members. It can be used to estimate the geometric parameters of each defect, namely - the location, depth, width, height, and operational evaluation of residual life - namely, predicting the total number of cycles of freezing and thawing, as the last for the period of operation, and the remaining to loss of bearing capacity of concrete elements water conveyance structures, and complex influence of several factors on the reliability of the plant and the most characteristic of them is abrasion, leaching processes and the degree of wear on sites with different hydraulic characteristics. Software and hardware solution can be equipped with various combinations of frames, copies the form of water conveyance structures.

    Keywords: the hydraulic engineering constructions which are water carrying out channels, nondestructive control methods, a residual resource, modeling, and a technical condition

  • Cognitive approach to the research of geopolitical processes in world regions and cognitive modeling of their development (On the example of the Black – Caspian Region)

      The article is devoted to the problem of the research of geopolitical processes on the world regions’ scale under present-day conditions. The article substantiates the necessity of their analysis with the help of the cognitive approach as an effective means of cognition of the interconnections and interrelationships within the complicated systems. With that aim in view the specifics and the stages of the cognitive modeling are given thorough analysis in the article. This type of modeling is adapted to the analysis of geopolitical dynamics on the regional/sub regional level taking into consideration its aptitudes to make prognostic scenarios of the development of the situation. The possibilities of the cognitive modeling of geopolitical processes are illustrated on the example of the situation in three sub regions constituting one (big) the Black Sea – Caspian region.

    Keywords: World regions, geopolitical processes, modeling of the complicated systems, modeling of the geopolitical processes, cognitive modeling, the program’s system of the cognitive modeling, the Black Sea – Caspian Region, the Black Sea sub region, the Caucasus

  • To the problem of use of economic-mathematical modeling in management and scheduling of the vertically integrated structures

      The peculiarities of models, methods and algorithms for planning and materials management in multi-tier, geographically distributed transportation and manufacturing systems. Show the direction of the development of theory in this area.

    Keywords: algorithms, vertically-integrated structure, models, planning, management

  • Determination of the area of the central projection of the family of visible segments of the controlled object

      The article deals with finding of the area of the central projection of the family of visible segments of a last set of sides of the controlled object. We offer to represent the central projection of the controlled object which is reflected on the camera's sensor, as a set of convex polygons in order to accelerate finding of the total area.

    Keywords: polygons‘segments, cameras’ field of view, an algorithm for finding of polygon’s area

  • Mathematical modelling of processes in the channel of the MHD-device with the conical axisymmetric channel

    Work is devoted mathematical modelling of processes in the channel of the MHD-device with the conical axisymmetric form of a channel. The assumptions accepted at modelling are formulated. The mathematical description of a prototype system with usage of known laws of electrodynamics is conducted. The equations of components of density of current, a magnetic field and electromagnetic forces in the conical part of the channel of the observed device are defined. Adequacy of the developed model is confirm by results of computer simulation of processes in the channel of the device. Deductions about applicability of results of the given work are presented.

    Keywords: MHD-device, conical axisymmetric channel, density of current in the channel, mathematical model, electromagnetic forces