Sensitive element of CO sensor was created by pulsed laser deposition and it was integrated in device of surface acoustic waves (SAW). Photoluminescence was used to control of oxygen-related defects of ZnO nanorod arrays. It is shown that the deficiency of oxygen in zinc oxide nanorods can be increased by change in temperature synthesis of nanorods of 850 to 915 ° C with a high argon pressure, and control of the deficiency of oxygen by increasing the ratio of the intensity of radiation in the visible region of the luminescence intensity in the ultraviolet region of the spectrum can help to increase the sensitivity of CO.
Keywords: ZnO nanorods, photoluminescence, CO sensor
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
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
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
In article it is shown that the state in the functions, first of all on rendering of public services, becomes a direct factor of production and in this part turns into an integrated component of limited production resources. At the same time, inconsistent decrease in efficiency of expenses of the consolidated budget of the Russian Federation on nation-wide questions and on national economy is observed.
Keywords: the state services, non-market sector, gross internal product, expenses of the consolidated budget, national economy
In article questions of high efficiency of expenses of the consolidated budget of the Russian Federation on education and health care that is reflected in high communication of these indicators and indicators of volume of gross domestic product are considered. Need of priority development of the state services in these directions locates.
Keywords: the state services, gross internal product, expenses of the consolidated budget, education, health care
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
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
To improve the effectiveness of the operation of rotary machines for cutting small trees and bushes upgraded its construction. This made it possible to improve the performance, reliability and durability of the machine, and the quality of cut shredding trees and shrubs.
Keywords: grinding, shrubs, small timber, rotary machine, cutting
The article highlights the problem of effective interaction between international and local firms in accepting region. The author investigates motives and factors of foreign direct investments, describes the ways foreign investor and local companies interact, underline the importance of well thought-out investment policy for regional economy growth.
Keywords: foreign direct investments, the way of interaction, accepting region, international company
After accession of Russia into the WTO the tasks related to the development of infrastructure have been sharpen. With the growing volume of cargo traffic and the lack of opportunity for the extensive development of the port infrastructure, the alternative of building the dry port can be only feasible, although explicitly the most expensive. Due to this reason the method of gradual development of the dry port which provides significant economic efficiency was addressed in the article.
Keywords: dry ports, net present value, the efficiency of the investments
The numerical algorithm consists of in determination of a minimum of some functional, defined in the area containing in advance unknown interface. The unknown interface is obtained from a minimization condition of the functional together with unknown functions. The problem for plane area dares a method of grids.
Keywords: algorithm, functional, minimum, genetic algorithm, grid, function, area, interface
We have shown co-method of automation of supply process of waste materials, using a queuing system. The article represents on the supply-procurement manufactory by procurement, processing and sale of waste materials.
Keywords: analysis, automation, efficiency, manufacture, queuing system, waste materials
The facts allowing scientifically are analyzed - to prove participation of a town-planning science with a view of accommodation of military force in territory of the state, and in particular the St.-Petersburg agglomeration. Also problems in town-planning maintenance of agglomeration to defense are stated.
Keywords: urban agglomerations, city, armed forces, defense, territory
Structural changes in cumulative labor displace the purposes of social development and generate understanding of that the economy exists for the person, and people – the main value of modern society. The evolution of the term tracked in article the sociolabor relations, consideration of elements, levels and the purposes of the sociolabor relations, the characteristic of types of regulation of the sociolabor relations and an assessment of system of the sociolabor relations of Russia allowed to add definitions of the sociolabor relations by concept «the human capital» and to define system of the sociolabor relations of market economy as a complex of relationship concerning development and effective use of the human capital.
Keywords: Sociolabor relations, hired worker, employer, work, human capital
Article covers problems of development and formation of social infrastructure on an example of priority branch of health care of the Rostov region.
Keywords: region, social infrastructure, health care, level of security, problem
In article the information system of the MANAGEMENT information system is represented as the three-level model constructed by a principle of cascade maintenance. Problems of delays of the supply with information, formations arising at the expense of delays and data transmission are considered. The mathematical model of system intended for optimization of maintenance on parameter of delays, on the basis of priorities of processes of formation and an information transfer is developed.
Keywords: Sirotkin A.V. information supply, information service delay
The method of estimating of generator frequencies for radio-electronic devices based on coupling treatment of formed signal phases is considered. The correlations setting the correspondence of potentially achieved accuracy of frequency estimations for each generator to their number and parameter values are presented.
Keywords: generator, frequency estimation, function of maximum likelihood estimation, estimation of dispersion
In article features of the market of realtor services, its structure are considered. Stages of development of the market of realtor services in Russia, problems of this market are allocated. The largest participants of the market of realtor services in Russia, and also the directions of their development are considered.
Keywords: Realtor services, market of realtor services, development stages, professional participants of the market, multilisting
The rapidly growing information space combined area networks creates new needs for management, reporting, and especially in the search for data. On the first place there is the criterion of relevance, which allows for its correct use to increase the efficiency of information retrieval. There is a fairly large number of schemes and models for solving search problems, one of which is the BM25.
Keywords: genetic algorithm, information retrieval, modification BM25
Proposed to use a sensor based on surface acoustic wave (SAW), which represents a delay line with unidirectional interdigital transducers (IDT) for measuring the pressure in the liquid. Reflective IDT loaded by series connected inductor and two capacities. One of these capacities - this trimmer, and another - a membrane capacitor whose capacitance depends on the pressure. When the pressure changes of the membrane capacitance capacitor, which changes the reflectivity of the reflective IDT. The magnitude of changes in this ratio determines the pressure applied to the membrane capacity.
Keywords: Sensor, pressure, surface acoustic wave, pulse answer, liquid
Article describes actual problems of personal navigation in portable scientific document set representation. Proposed algorithm for ranking document graph paths based on machine learning, described algorithm analysis and most probable navigation context parts.
Keywords: Document set navigation, machine learning, navigation context, scientific data visualization
Considers and researches dimensional stability advanced base polyimide materials for high-density PCB.
Keywords: Printed circuit boards, flexible printed circuit boards, flex-rigid printed circuit boards, foil dielectric materials, polyimide foil materials
In article questions of modeling of priority management by formation of information streams in information systems with the centralized source of data with use of the mechanism of sockets are considered. This question is staticized in connection with necessity of optimum control of information processes in the automated control systems. Management is based on change of priorities of forming processes, depending on ranks of clients. On the basis of an experimental material the analytical dependences establishing the relations of parameters and criteria of management are received.
Keywords: a process priority, a delay of information service, an information stream
Article is devoted to definition of the main preconditions of insufficient efficiency of public administration. It is shown that the majority of the Russian regions has the investment rating characterized by the lowered potential together with moderate risk. Process of extensive building of the sphere of the state services, being accompanied decrease in its social and economic efficiency at the same time takes place.
Keywords: public administration, state services, investment rating, expenses of the budgetary system, gross internal product