#4 / 2017

On the basis of the optical system of the three-dimensional video analysis of movements, parameters of corners in talocrural, knee and coxofemoral joints are studied during realization of a starting pose, a pose of a squat and a final pose when performing squat. The obtained data allow us to conclude that the regressive changes in realization of a pose of a squat at people of advanced age connected with restriction of mobility in a knee joint, to a greater extent are caused by a way of life of examinees, rather that biological laws of natural regression of motor function.

79-83.pdf

(297 Kb)

This work examines physiographic features and hydrometeorological coverage of studies of the Laba river basin, and the vertical zonation of elements of water balance. The author makes the mathematical model of norm of an annual drain of the Laba river basin and carries out complex geographic-hydrological division into districts and ecological assessment of water resources of the Laba river basin.

84-91.pdf

(432 Kb)

The current state of physical training of children and teenagers and the level of development of mass sport do not correspond to those problems which are solved by society in social and economic transformation of the country. It is necessary to change approach to physical training of school students and development of sport in educational institutions. Student teaching shows need of use in the course of physical training at school of positive experience and potential of sport. The problems of improvement of physical training of school students, strengthening health and their physical activity on the basis of accounting of level of physical development and functional state are analyzed. Also anthropometrical indicators, a condition of cardiovascular system, indicators of function of external breath of children of school age in the course of training at schools of the Republic of Adyghea are analyzed.

92-96.pdf

(331 Kb)

This work discusses the results of a research on studying and complex assessment of an ecological condition of agrolandscapes in a foothill zone of the Republic of Adyghea. Extent of manifestation of the degradation processes of soils was found during the research with the use of GIS-technologies as tool for justification and development of measures to increase stability and efficiency of agrolandscapes. Agroecological assessment of land grounds and crops on their basic needs to growth conditions is carried out, the optimum structure of sown areas is created and various types of crop rotations for farms of a foothill zone of the republic are made.

97-103.pdf

(441 Kb)

Assessment of compliance of physical readiness of students to standard requirements of Russian Sports Complex GTO is carried out. The research is conducted on the basis of Department of Physical Training of the Adyghe State University.

104-108.pdf

(297 Kb)

The article presents the results of studying subtropical culture Zizyphus jujuba Mill. in the Adyghe Branch of the Russian Research Institute of floriculture and subtropical cultures, in particular: phenological observations, resistance to stress factors and peculiarities of crop formation in these soil and climatic conditions. Varietal differences of biological features of several grades of unabi in connection with adaptation to climate conditions are given. The prospects of the given culture for gardening of a foothill zone of Adyghea are shown.

109-116.pdf

(500 Kb)

This work presents the results of researches on efficiency assessment of cereal and bean grass mixtures, productivity of which, in power and protein nutritiousness of green material, meets contemporary zootechnical requirements. Use of mineral fertilizers in standards: N34; N34+N45; N34+N75 on a background (N24 P100) in a combination with 20–25 cm plowing has provided reliable increase in productivity and quality of a harvest of studied grass mixtures.

117-122.pdf

(300 Kb)

Excuse of students from classes in physical training leads to loss of bases, value orientations on preservation of one’s own health, to negative impact of a disease on social adaptation of the personality in future professional activity. In this regard, studying extent of awareness of one’s own abilities and level of the readiness taking into account decline of students’ physical health is a relevant task.

123-128.pdf

(311 Kb)

This study is dedicated to development of ecologic and economic mechanisms of protection of agricultural lands in the Republic of Adyghea. The reasons of degradation of agricultural lands are proved.

129-131.pdf

(283 Kb)

The work is dedicated to the analysis of soils of Adyghea Republic, adjacent to the Krasnodar reservoir. The authors make the comparative analysis of a condition of these soils by chemical indicators and their dynamics

132-135.pdf

(293 Kb)

The expediency is proved of use of the agents of physiotherapy exercises aimed at the harmonious development of a musculoskeletal system, providing prophylaxis and correction of disturbances of a posture, strengthening the muscular-copular device and elimination of the available deviations in the state of health of female students of special medical group.

136-139.pdf

(292 Kb)

Mathematics

The number of invariant sets has been obtained for n-th degree polynomial vector fields on the plane, each of which consists of n–2 and only n–2 parallel invariant straight lines.

13-21.pdf

(362 Kb)

The paper describes bifurcations of a piecewise smooth vector field on the plane, in the neighborhood of a singular point of the “sewn beak” type on a line of discontinuity. In one of its semi-neighborhoods such a point is a saddle, and in the other, a point of quadratic tangency. In particular, it is shown that no more than one periodic trajectory is generated from the singular point.

22-29.pdf

(470 Kb)

We deal with comparison theorems for the multidimensional differential systems of general view which enable, basing on properties of solutions of one differential systems, predetermination of properties of solutions for other systems of the differential equations of general view.

30-35.pdf

(333 Kb)

We investigate the first boundary value problem in a nonlocal setting for the generalized Hallaire equation with fractional Riemann-Liouville derivative. Existence and uniqueness theorem is proved. An explicit representation of the regular solution is found.

36-41.pdf

(330 Kb)

Conditions are formulated and the statements on fluctuation of any correct solution of multidimensional system of the differential equations are proved.

42-53.pdf

(406 Kb)

We consider here the task about polynomial curvilinear multiplicative integrals, as well as the structure of subalgebra of second order multiplicatively integrated matrix functions.

54-59.pdf

(316 Kb)

Physics

The asymptotic expressions for generalized Bessel functions of two variables for large values of index and arguments of the functions are obtained by the stationary phase method. The expressions obtained are used to derive the spectral-angular distribution of radiation of an undulator with a sinusoidal magnetic field.

60-63.pdf

(317 Kb)

The work examines an exciton-photon interaction in the ferromagnetic semiconductor EuO. The detailed analysis of the Lorentz model is made. The necessary conditions for the formation of polaritons in the semiconductor EuO are shown.

64-66.pdf

(344 Kb)

The aim of the given work was to form a self-organized model of nonlinear dynamic on the basis of the regarded algorithm, which would allow us to discover the mechanism of reconstruction of inclusive distribution, characterizing economic structure of the society. The proposed stochastic model of reconstruction of inclusive distribution, characterizing economic structure of the society, specifies the conditions for reaching one or other economic structure of the society. The factor of equal share, or in other words the principle of economic democracy, which is central to the understanding the essence and the investment attraction of financial economic mechanism, consists in the fact that for the first time there appears an opportunity to implement such investment policy, when benefits become principally safe for the national budget. Under such economic mathematical paradigm of the investment policy of the state, which is based only on the necessity and sufficiency of the fulfillment of equity conditions, the so-called balance equation, whose solution depending on the value of the basic parameters of the given investment project determines the value of “safe” tax concessions, made available to the investor by the state, gets immediately clear semantic content and mathematic appearance. These tax concessions are in fact safe for the national budget, because the given taxes liabilities and the investor’s losses are non-planned additional sources of profit incomes into the national budget of the country. This rule of equity is regarded as the basis algorithm, and the economic mathematical model of the determination of the optimal amount of tax concessions for investment projects, which provides for zero losses of expected digital tax receipt into the state budget, is formed on its base.

67-73.pdf

(397 Kb)

The inverse problem for the electromagnetic field of a point charge is considered using the example of a charge moving along a circle. Since this inverse problem has two solutions, it is interesting to find which of these solutions has a physical meaning. The electric and magnetic fields are calculated on the axis of the circle along which the charge moves. Under the assumption that these quantities are given, solutions of the inverse problem are found, namely, two different laws of motion of a charge that produces the given electromagnetic field. One of these solutions corresponds to the motion along the circle, while the second one has no physical meaning.

74-78.pdf

(349 Kb)

Technical Sciences

The Internet of Thing (IoT) is a new step to evolutions of the modern Internet where any physical object (in terms of the Internet of things – thing) equipped with computing and communication opportunities can be effectively integrated at the different levels into the Internet. The Smart Grids (SG) which are considered as the most critical infrastructures, are defined as the classical power supply systems complemented with large-scale ICT and integration of renewable energy can be considered as the biggest network IoT. The SG will include billions of smart objects /things: smart meters, smart devices, sensors, drives of cars, etc. in addition to several communication infrastructures whether public (most often) or private. Nevertheless, safety is considered as one of the most important factors of a delay of fast and large-scale introduction and expansion of the Internet of Things and Smart Grids. This article investigates problems and tasks of Smart Grids based on the Internet of Things and defines the main security services which need to be taken into account dealing with safety of SG.

140-147.pdf

(375 Kb)

The work provides comparison of mass and energy indicators of electric machine converters with increased frequency and shows the benefits of synchronous-asynchronous frequency converter compared to other types of electric machine converters.

148-153.pdf

(390 Kb)

The paper deals with the issues associated with the commissioning of a special Squid mode (ssl-bump), recommendations are given for Administrators with a low level of training in installation and configuration of special Squid mode (ssl-bump) on Ubuntu 12.04 TLS, and preparation of the proxy server to install antivirus protection and traffic analyzers.

154-159.pdf

(304 Kb)

This work presents a short review of the existing DBMS addings to store spatial data and the most popular software products of GIS creation. The author provides reasons for creation of his own software module and the description of its functional capabilities.

160-164.pdf

(745 Kb)

This paper discusses the technology of creating a software application that can evaluate the possibility of using non-traditional renewable energy sources in the energy system of an individual consumer. The list of implemented functions, the structure and algorithm of this application is described in this paper.

165-170.pdf

(678 Kb)

The paper presents a mirror function and gives a definition of its extremum. The use of the theory of the mirror function to minimize the volume (of material) of the truss, satisfying the strength conditions, is described.

171-174.pdf

(310 Kb)

Studies were conducted on the basis of production sites of the Adyghe Research Institute of Agriculture in 2015–2016 and 2016–2017 agricultural years. The task was set to detect correlations between the normalized vegetative NDVI index, surface area of the vegetation capable to implement photosynthesis functions and the content of a chlorophyll in plants. Also studies were made on correlative relationship between winter wheat productivity, the NDVI indexes, chlorophyll photosynthetic potential and vegetative photosynthetic potential. The best results of prediction of winter wheat productivity have been obtained for vegetative photosynthetic potential index.

175-180.pdf

(379 Kb)

The article presents a technique for estimating the average zone speed of freight trains, including the construction of a predictive model based on a multifactorial linear regression model. The adequacy and accuracy of the model obtained is calculated, and the results of the experimental verification of the proposed methodology are resented in this paper.

181-186.pdf

(351 Kb)

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