In this paper we study the dynamics of the local atomic structure of new nanostructured condensed material for for rechargeable current sources on the basis of 15mas.%V2O5/Fe/LiF nanocomposite within charge-discharge cycle on the basis of X-ray diffraction (XRD), X-ray absorption spectroscopy (XANES) and of computer simulation. The analysis of the experimental data obtained during the first charge cycle reveals the transformation of iron to more than 50% of iron fluoride (II) , Li ions intercalate into the structure of amorphous V2O5 forming LiVO2 compound.

Keywords: diversification of management, production diversification, financial and economic purposes of a diversification, technological purposes of ensuring flexibility of production

The paper is devoted to developing an approach to solving the problem of structure identification of layered minerals of the kaolinite group by the Rietveld method. The calculations of the intensity of the diffracted X-ray radiation are performed for the koalinit samples obtained from different fields. Qualitative agreement between calculated and experimental results has managed the solution of the identification problem for the kaolinite unit cell Glukhovtsy deposit. The obtained results indicate the possibility of identifying the features of the crystal structure of layered minerals by direct calculation of diffraction patterns.

Keywords: layered minerals, crystal structure, group of koalinit, diffractogram, X-rays, Voigt function, phase composition

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

Research results of roundwood with the bark as a subject of labour in the process of barking are provided in the article. The numerical values of such physical and mechanical properties of the bark like conditional shear tensile strength of the bark at cambial layer are ascertained.

Keywords: Woodwork, bark, timber, barking, physical and mechanical properties

  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 the algorithm of construction of development not linear surfaces is de-scribed. The algorithm is realised on technology ObjectARX for AutoCAD. It has allowed to integrate algorithm in AutoCAD. The developed algorithms can be used in various technical problems where there is a necessity of construction of development of surfaces.

Keywords: nonlinear surface, surface development, triangulation method

  The paper covers the development of geometry-based skeletal animation algorithms for deforming 3D models. Linear Blend Skinning technique being widely used, much attention is given to the method description and its shortcomings. The paper gives wide coverage to the state of the art in geometry-based skeletal animation algorithms. 

Keywords: skeletal animation, skinning, geometry-based algorithms, character animation

  Methods of mathematical (geometric) modeling are often used in the current research of multivariate processes and their optimization tasks combined with traditional mathematical methods of experiment planning. This simulation is carried out by methods of descriptive geometry, its practical values a graphical representation of the functional relationships of the quality from factors and parameters that define a process with number of variables more than three. Definition’s algorithms of the optimization based on the Radishchev drawingin the article are given to ensure the visibility of images and solve certain technical problems. The graphical model of the process optimization of joining parts of garments was constructed.

Keywords: Technological process, optimization, modeling, descriptive geometry, multidimensional space, Radischev drawing, hyperplane, hypersurface, algorithm, factors, parameters

This article proves that the parameter that determines the energy the washing process is G-factor. The authors propose a mathematical tool defining dependencies technical performance of G-factor. It is an indicator of the effectiveness of the optimization of technical solutions of embodiment washing-squeezing machines and the basis for the fundamental analysis of typical designs.

Keywords: washing-squeezing machines, mathematical modeling, G-factor, energy efficiency, optimization solutions.

The problem of interaction of mutually perpendicular magnetic fields in superconductors is considered. Possibility of use of a nonlinear susceptibility of superconductors for measurement of a magnetic field is shown, the assessment of sensitivity of the cryogenic probe magnetometer is carried out.

Keywords: superconductor, magnetometer, SQUID, cryotron, the crossed magnetic fields, non-linear magnetic, cryogenic probe

Performed calculations of angles of the astronomical refraction in different ways and made a comparative analysis of the results of a calculation. Provides recommendations for the use of any means in different contexts.

Keywords: Astronomical refraction, the Hour angle, Anti-aircraft distance, atmosphere, Pulkovo table.

In work the scheme of regulation of a dynamic level of a liquid which can be used in systems of oil extracting with the purpose of increase of efficiency of their work is offered. The scheme of a regulator of the level consisting of proportional and integrated discrete elements that has allowed to reduce a static mistake is described and on the basis of to raise efficiency of regulation of a dynamic level. Modelling process of work of the offered scheme of regulation is lead, results are analysed and recommendations on parameters of a regulator are developed. Procedure of use of the offered scheme also for the control of a degree not fillings the pump is described.

Keywords: The scheme of regulation of a dynamic level of a liquid, is proportional-integrated regulator of a level, regulation of a dynamic level of a liquid in a chink, not filling the pump.

Combined method which allows analyzing parameters of the nanoscale atomic and electronic structure of materials relying on three different methods (x-ray absorption spectroscopy (XAFS), x-ray diffraction (XRD) and Raman spectroscopy) was developed. The method was applied for the study of nickel oxide nanoparticles, which serve as an efficient catalyst for the artificial photosynthesis process. 

Keywords: solar energy, artificial photosynthesis, NiO, Raman, x-ray diffraction, XAFS

  The importance of domestic competitive machinery market entry is shown in the paper. It is shown that the domestic competitive machinery, which provides complex harvesting of round and fuel wood, market entry is the important direction in solving the problem of wood consumers market development in the capacity of biological fuel. 

Keywords: wood fuel, preparation, consumers, market