№ 120(6), June, 2016
Public date: 30.06.2016
Archive of journal: Articles count 112, 299 kb
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Description
The article contains a scientifically based approach to assessing and improving the reliability of DMU "Frigate" in the conditions of the Rostov region. The studied parameters for the elements with the lowest resource were: mean time between failure, mean time to repair, probability of failure, the parameter flow of failures, failure rate, actual and allowable factors of readiness. The analysis of the main faults of DMU "Frigate", identified nodes and elements, characterized by the low reliability, for which the dependences of probabilities of failure-free operation, as well as the dependence and developed the procedure for calculating the optimal duration of recovery of failed elements, to ensure acceptable availability. Statistics on major faults refuse items were collected over the three irrigation seasons from 2013 to 2015, were investigated failures due to wear of the elements for 17 irrigation machines. As a result of the research we developed mathematical apparatus of calculation and the comparative assessment of the readiness of the parks sprinklers of various farms to perform their processing functions at the same and different number of machines. We obtained the dependence for determining the allowable duration of the recovery elements that will allow you to determine the main directions of improving the reliability of DMU "Frigate" during the operational phase
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MODERN CURRENCIES COMPETITION: STRUGGLING FOR DOMINATION
Description
The article deals with competition issues between modern currencies for domination on international financial markets. Historical background of world currencies and the reasons for development and becoming dominants nowadays are analyzed. Author’s reasoning and data analysis of several currencies place in the global exchange system are given. Process of defining a currency as «reserve» is analyzed. Economic essence of SDR and Wocu is concerned. Dynamics of international savings in foreign currency reserves and share of external loans in foreign currency are analyzed in the article. Data of the survey made by A&O Research about currency domination is examined, competitiveness assessment of modern currencies is summarized
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06.00.00 Agricultural sciences
Description
The aim of the research was to study the impact of starter complete feed (CF) with different levels of crude fat on the chemical composition of muscle tissue and liver of young geese. During days 5-28 the poultry was fed CF with 5.1-8.1 % crude fat, from 29- to 60- day age – with 5.4 %. By increasing the level of crude fat in starter CF there was a trend to an increase of the phosphorus content in muscle samples of geese hip and thigh - by 4.4-9.6 %, in the liver - by 27.2-53.5 % (P≤0,05). The chest muscles of the young geese fed high-calorie CF had 2.8-6.0 % higher fat content, than that of counterparts in the first group. At the same time, there was a tendency to a decrease in the concentration of fat in the muscles of the hip and thigh - by 1.9-5.0 % (P˃0,05). Increased level of crude fat in CF did not have a negative impact on the accumulation of heavy metals in the muscle and liver of geese, the concentration of the studied elements was within the permissible level established for food products
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CULTUROLOGICAL APPROACH AS A METHODOLOGICAL BASIS OF PATRIOTIC EDUCATION OF CADETS
Description
The history of the Fatherland is a clear confirmation of the fact that in all the hard times, the patriotism of the people was and is that powerful spiritual force that lifted the Russians to fight with a strong and insidious enemy and provided so, the full and irrevocable victory. The acquisition of the phenomenon of "patriotism" status "national idea" proclaimed by Vladimir Putin pushes patriotism to the role of a leading factor of cohesion of the Russian society, the consolidation of all progressive forces in the interests of further development of democracy in our country, strengthening the economic and defensive might of the state. In this respect, the most important direction of work in universities is Patriotic upbringing of the young generation who in the near future will have to take responsibility for the country and the fate of Russia. This circumstance requires a search for and application of scientific methodological basis of the study of the phenomenon of patriotism. In this regard, the authors propose to use the cultural approach. National culture has an enormous pedagogical potential, its ability to the Patriotic education of the not yet applied at full strength. At the same time, the cultural studies approach as a methodological basis allows to enrich and diversify the process of Patriotic activities, to concentrate on effective work with the person as a Central figure of the educational work. At the same time, the teacher acts as an active participant in educational activities, becoming a partner and mentor to educate. The authors, based on analysis of works of domestic scientists, reveal the essence of culturological approach, showing its role in Patriotic education of cadets of the Maritime University
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LEADERSHIP QUALITIES AND THEIR DEVELOPMENT IN THE FUTURE LEADERS OF STATE AND MUNICIPAL STRUCTURES
19.00.00 Psychological sciences
Description
Every year leadership becomes more important personal value. A real leader must have a special approach to people, ability to motivate, to instruct staff on the correct way to exercise the administrative skills and leadership qualities. To be a good leader is not easy! First of all, you need to work constantly on ourselves. The research urgency is caused by necessity of revealing of the student's leadership abilities and their improvement. The article analyzes and prospects of development of leadership qualities of future managers – students of the management faculty of the Kuban State Agrarian University. As indicators of leadership development there were used: intellectually – creative, organizational, social and communicative. The analysis showed that the students of the faculty of management are not well developed personal qualities, that necessary for the modern Manager. In this regard, the article proposed a number of activities on the development of leadership qualities, communication and organizational skills of students. The problem is a considerable interest for the social community. Developing student's leadership qualities and the whole complex of measures on formation of effective leadership in Russia will contribute to the qualitative renewal of the country
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LOGARITHMIC LAW FOR DYNAMICAL SYSTEMS FROM QUARKS TO GALAXIES
01.00.00 Physical-mathematical sciences
Description
The article discusses various examples of dynamical systems in which the motion is determined by the logarithmic law - quark systems, hydrodynamic systems, galaxies. Set the general nature of angular motion on a hypersphere in a space of arbitrary dimension and radial movement 6D in the metric of a logarithmic potential. We investigate the 6D metric describing the case of motion with two centers of symmetry. It is shown that in such a metric exists a class of exact solutions, logarithmically dependent on the gravity center coordinates. It was established that in spiral galaxies the orbital motion is due to the logarithmic potential, which is the exact solution of the field equations of Einstein's theory of gravity. The most well-known and widespread in nature case is turbulent flow over a smooth or rough surface, in which the mean velocity depends logarithmically on the distance from the wall. We derivate the logarithmic velocity profile in turbulent flow from the NavierStokes equations. An analogy of the logarithmic velocity profile and the logarithmic law in the case of erosion of materials under impacts been proposed. In electrodynamics, Ampere's law, which describes the interaction of current-carrying conductors, is a consequence of the logarithmic dependence of the vector potential of the distance from the conductor axis. There is, however, an alternative derivation of Ampere law of the Riemann hypothesis about the currents due to the motion of charges
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LOGARITHMIC LAW AND EMERGENCE PARAMETER OF CLASSICAL AND QUANTUM SYSTEMS
01.00.00 Physical-mathematical sciences
Description
The work discusses various examples of physical systems which state is determined by the logarithmic law - quantum and classical statistical systems and relativistic motion in multidimensional spaces. It was established that the Fermi-Dirac statistics and BoseEinstein-Maxwell-Boltzmann distribution could be described by a single equation, which follows from Einstein's equations for systems with central symmetry. We have built the rate of emergence of classical and quantum systems. The interrelation between statistical and dynamic parameters in supergravity theory in spaces of arbitrary dimension was established. It is shown that the description of the motion of a large number of particles can be reduced to the problem of motion on a hypersphere. Radial motion in this model is reduced to the known distributions of quantum and classical statistics. The model of angular movement is reduced to a system of nonlinear equations describing the interaction of a test particle with sources logarithmic type. The HamiltonJacobi equation was integrated under the most general assumptions in the case of centrally-symmetric metric. The dependence of actions on the system parameters and metrics was found out. It is shown that in the case of fermions the action reaches extremum in fourdimensional space. In the case of bosons there is a local extremum of action in spaces of any dimension
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01.00.00 Physical-mathematical sciences
Description
In the article, we describe and illustrate a method of mathematical modeling in relation to process of decision-making in the conditions of risk and uncertainty on the example of building of agricultural object
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MATH DESCRIPTION OF THE PROCESS OF THE AUTOMOBILE DIAGNOSING PARAMETER CHANGE
Description
The article shows the importance of math description and grounding the function taking into account the process of changing the parameter when developing the methodology of automobile diagnosing. It is pointed out that after all the prediction error and effort depend on the choice of approximating function. The wrong choice of the function can bring to naught all the efforts to manage safety margin and other parameters of cars elements. One can find the requirements to math description and grounding the function of the parameter change. Based on the analysis of factors influencing the process of parameters change and requirements to math description of this process we have noticed that it is necessary to approximate the change (increase) of the state variable by the chance ordered function with increasing realizations. One can consider the parameter change realization both strictly and not as a monotone function ranging from zero to the limit change of the parameter. We have mentioned that the fore-quoted reasoning with the account of two groups of factors make possible to investigate the parameter change at this or that moment of work as a sum of two random values. We have made a conclusion that they usually express the link between the change rate (for instance, detail wear rate) and the readings of the material properties and functioning conditions (metal skin hardness, unit loading on the detail surface, its relative rate of movement) by the functional determined dependence got as a result of lab tests or theoretical study. In the conclusion, one can see that the analysis of the results of math description of the process of the parameter change is sufficient enough
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METHODOLOGY OF ACOUSTIC SAFETY MEASURING IN OPERATORS’ BOOTHS OF AGRICULTURAL MACHINES
Description
In this article, we have examined the methodology of acoustic measuring with the purpose to create safety conditions for the activity of agricultural machines operators, in foremost harvesters and tractors. We should underline that such studies are based on the state standards that are aimed at improving the level of comfort of the activity of the operators of tractors and harvesters and maintaining their working capacities. Therefore, there is a need for a thorough analysis of the current regulatory legislation (standards that are applied) in combination with analysis of mathematical support of measuring devices (sound level meter). Besides, there is a need for creating strict sequence of actions of the sound level meter operator (algorithm) in combination with the method of conveying information that is adapted to the experiment. At the enterprises, organizations and establishments control of the noise level at working places is checked no less than once a year. The State Standard 12.4.095-80 provides the basis for measuring, position of the control point in the booth, the frame and characteristics of measuring, mode of activity of engines and parts of harvesters, the amount of measurement samples (3 precise measurements), estimation of measurements and their correction, equipment, methods of measuring the results, temporary characteristics of measuring by the sound level meter in “slow” mode and frequency correction
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