This article is an overview of the latest nanotechnology. Advancing the development of nanotechnology in the world due to the use of such areas as microelectronics, special materials, energy and military equipment. Given in the article data show widespread use of new nanotechnologies in various branches of engineering.
Keywords: nanotechnology, nanotubes, graphene transistors, microelectronics
The results of analysis of computational aspects of the method of obtaining the XANES spectra for Ru L2 ,3-edges by integrating the dipole transition matrix elements involving DFT. The convergence of the numerical integration procedure for the parameters used in the earlier papers, crystals as an example [Ru (NH3) 6] 3 +. More specifically, it is proved that it is possible to use a small area of integration and big enough step between points, which helps to minimize the requirements for computing power and offers the prospect of using this method for the simulation of the XANES spectra in coordinated ruthenium catalysts for splitting water research in the field of solar energy.
Keywords: RuLedge, XANES, DFT, density functional theory, X-ray absorption spectroscopy, geksoaminoruteny, Ru (NH3) 6.
In a crisis, the lack of market information, enterprise management deficiencies make weak, lacking immunity to environmental changes. Possession of full information about the market and carefully developed on the basis of this strategy becomes a kind of protection companies in any economic environment. Crisis opens visionary companies huge business prospects. He usually initiates redistribution of the market and here are the winners of which will be able to use the opportunities presented by the downturn. In these circumstances, the company purchased a flexible active marketing policy for a soft exit from the crisis or prevent it by adequate anti-crisis measures and effective management of the company.
Keywords: crisis, a symptom, panic, excitement, diagnostics, monitoring the marketing environment, anti-crisis measures.
The article describes the three main causes of marriage exactly litena production. Suggests ways to address them.
Keywords: Marriage in precision casting, a type of marriage, the reasons for marriage.
When teaching students the basics of automatic control in the food, chemical and petrochemical industries have difficulty with the lack of opportunities for experiments on real objects. This article discusses the possibility of using software modeling complex ChemCAD to study the process of rectification to simulate real object to its mathematical model, to conduct research of static and dynamic regimes, to study the characteristics of various systems of regulation processes.
Keywords: rectification, ChemCAD, simulation, simulator, automation.
The article investigates the deformation characteristics and screw piles. Presented the procedure of production models piles and preparation of test rig. Results are given trough experiments performed in the laboratory.
Keywords: screw pile, pile drilling, soil, foundation bearing capacity, settlement, testbench.
This paper considers the behavior of a hollow sphere loaded external and internal pressures. Furthermore, the cavity occurs uniformly distributed over the surface of corrosive wear, leading to an increase in the cavity volume. Solution of the problem is determined limit time corresponding to the achievement of the second invariant of the stress tensor limit value for points cavity.
Keywords: corrosion, wear, hollow ball, pressure limit, the time limit.
When constructing a model process for the site contamination suction inert materials as process equipment, we considered power unit ABZ. Evaluate the effectiveness of the basic techniques for the selection of equipment to capture pollutants and cleaning them from the air.
Keywords: asphalt plant, dust particles, pollutants, dust removal system.
In this paper, on the example of spatial mechanical and mathematical model of a residential building in an emergency Belovo Kemerovo area the opportunity to assess the actual condition of buildings and structures on the basis of geodetic observations and a series of numerical experiments. The obtained data were used to develop the methodology for assessing the technical condition of buildings and structures on the basis of monitoring.
Keywords: erratic rainfall, geodetic observations, finite element model.
The paper proposes a method for calculating the gamma - percentage fatigue life boom shovel for a set of finite volume, using the analytical method of determining the parameters of the Weibull law.
Conducted a computational experiment showed that the method allows to obtain gamma percentage fatigue life boom shovel through the transition from sample data to aggregate data.
Keywords: resource boom, excavator, aggregate, Weibull.
The effect of not repeatedly re-exposure to the compressive strength of concrete elements of expanded clay-fiber concrete. The experimental results of reinforced concrete columns after repeated unambiguous and alternating loadings. The influence of repeated loading regimes on the bearing capacity, deformation and fracture of columns. Proposed dependence of the bearing capacity of the columns on the level of repeated loadings.
Keywords: Keramzitofibrobeton, bearing capacity, crack, deformation, reinforced concrete column, mixed reinforcement.
The article offers a general gradient methods for all-adaptive method. With the help of an experimental environment was developed by a comparative analysis of gradient methods of finding the minimum. As a result of experiments, it was found that the adaptive method for approaching to a minimum minimal number of iterations. Thus encouraged to use this method in the optimization of the error function, artificial neural network training.
Keywords: neural networks, gradient methods, teaching methods, analysis of optimization techniques.
The work investigated the cathode intercalation process alkali metal platinum under the influence of the alternating pulse current of aqueous and non-aqueous solutions containing alkali metal cations. By means of the method of pulse chronopotentiometry found that processes taking place at the platinum cathode polarization in water (neutral and alkaline) and in non-aqueous electrolytes include electrochemical adsorption and intercalation of solvent molecules into the adsorption layer of alkali metal ions. When this surface is oxidized in the intercalation platinum milder than pure platinum.
Keywords: Cathodic intercalation, the intercalation capacity, platinum.
The proposed technique author improvement of data processing reduces costs for the purchase of servers and networking equipment. Described cloud models will enhance the reliability of IT resources and contribute to the flexibility of the IT infrastructure.
Keywords: cloud computing, data processing, security of IT resources, the cloud properties, types of computing server.
The article examines the construction of control plans and priorities ranks of information procedures for the implementation of the optimal information management in an automated information system. Constitute the basis for planning the hash ranks and priorities of both the subjects and objects of information interaction. The optimization process is provided by a choice of grades and corresponding control plans that define the extreme values of the objective function of the system.
Keywords: rank, priority, plan, information services, information procedure.
Based machine adaptation developed an algorithm that adaptively adjust the parameters of the membership function of design data. Adjustment parameters of the membership function is proposed based on the analysis of the reaction of the designer on the query results. This approach allows you to adjust power supplies design solutions to the corresponding values of logical variables based on subjective opinions of experts consecutive. The presence of a mechanism of adaptation helps to reduce the impact of one-off, drop out of the general concept, opinions.
Keywords: automatic adaptation fuzzy data correction.
The questions devoted to the study of influence of mass textile articles vibroaktivnosti drum type washing machine with a horizontal axis of rotation at a centrifugal spinning. Feature of research is accounting change in mass production during the spin cycle when calculating the amplitude of transverse vibrations, including during acceleration and passing the resonance zone. The object of investigation used a modern model of household washing machine. Initial operating parameters were varied, based on the actual values for the machines of this type. In a paper on the study the graphs, the analysis of the data obtained. The results can be used to study the dynamics of washing machines to improve their vibration isolation systems.
Keywords: Washing machines, dynamics, vibration amplitude, the influence of mass products.
In this paper, we describe fully all the stages of plastic forms. The advantages of using "Pentelast-710." Due to its ease of use, environmental, security, diversity of products offered, two-component silicone rubber is a promising structural material.
Keywords: "Pentelast-710" Viksint U-18, platemaking technology.
Proposed a mechanism for determining risk management strategies of labor protection, using the principle of ALARA (as low as reasonably achievable). This approach implies the maximum possible risk reduction achieved by actually available, but often limited resources of the enterprise. Results of risk control, including the choice of variability between conservation (abolition), decrease (prevention) or the transfer of risk.
Keywords: risk, risk management, risk control, health and safety.
The article discusses the advantages and disadvantages of the use of information technologies in education, the development of the individual's role in connection with the transformation of modern society, a new type of teacher preparation. Analyzes bearing on the state of higher education and innovation in educational practice.
Keywords: information society informatization of education, information technology.
Development and improvement of local markets zernoprodovolstvennyh mining areas, as well as regional transaction sector agro-industrial complex of the Eastern Donbass centers contribute to the formation of institutional modernization of the regional economy. To identify the political, economic, social and technological factors in the external macro-environment that may significantly affect the business, structuring and formulation of the organization's strategy is an important analysis of institutional and market coordinates held in accessible form PEST-analysis.
Keywords: region, local market, the institutional environment, PEST-analysis, macro environment, trade, protectionism, state support.
Offered graphic-analytical method of estimating loss on heat transfer in tubes on the basis of experiments Myuraura.
Keywords: pipe, heat transfer product, pressure, speed, complex configuration.
The article describes the risk management model of labor protection, which allows to analyze the magnitude and risk management decisions aimed at its reduction to an extent corresponding to an acceptable risk.
Mathematical description of the model takes into account the limited resources available for the implementation of labor protection measures, as well as the interests of all stakeholders.
Keywords: risk, risk management, health and safety, the mathematical model.