Quality of services of public passenger transport depends on many indexes. Reliability and regularity is important indexes of quality of public passenger transport. The example calculation of reliability is considered. Conclusions on reliability and regularity of routes are done
Keywords: quality, public passenger transport, regularity, reliability
The main models of DNA computing are self-assembly of DNA and RDNA. Disadvantages of these models are low speed perform arithmetic operations, the high probability of errors of computing, and perform the calculation with only fixed-point numbers. In article is represented method of encoding numbers by DNA strands. Numbers can be encoded by any base initially. This method does not require to translate the number into a binary number system. Each number is encoded by digit with the DNA. As compared with known methods, the proposed method uses a shorter length of DNA strands. The proposed method can increase speed encoding of numbers, improve the accuracy of the calculations and to reduce errors in the formation of the encoded data. In article is represented also the operations to perform arithmetic operations. The use of the proposed method of encoding numbers and proposed operations over DNA allows to increase speed of computation, and perform calculations not only with fixed-point numbers and floating-point numbers.
Keywords: encoding of numbers, DNA strands, operations with the DNA-chain, DNA computing
The main characteristics of the different types of landfills for disposal of solid waste consumption: buried landfills poluzaglublenny landfills and surface polygon. For each landfills for disposal of solid waste consumption the features of operation
Keywords: Solid waste consumption, buried landfills, operation, poluzaglublenny landfills, surface polygons.
Proposed an approach to calculate the inductance per unit length of twisted pair at microwave frequencies. Analytical relations to calculate the inductance per unit length of double line and twisted pair at microwave frequencies. An efficient algorithm for the approximate calculation of the inductance per unit length of twisted pair at any veins angle.
Keywords: inductance per unit length, microwave frequency, twisted pair, double line, veins angle
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.
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
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
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 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
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
Decision making in the organizational and technical systems is complicated by the risk of various events emergence in the systems with a given probability. The article describes a method for supporting decision making under risk on the basis of integration of evolutionary, multi-agent, simulation models and numerical methods. In the course of the method's work the following steps are performing: a set of alternatives solutions is formed; transition to a one-criterion alternatives evaluation is fulfilled by using linear convolution; transition to the system behavior certainty is fulfilled with the use of numerical optimization Bayes-Laplace criterion. The developed method is applied to solving the projects scheduling problem; the results agree with the problem solution that has been performed by using genetic algorithm method under certainty.
Keywords: decision making risks, multi-agent modeling, numerical methods of decisions optimization, scheduling problem, evolutionary modeling
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
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