Cosmological Model of Interacting Tachyon Field

In this paper we investigate a tachyon field model in cosmology, provided its interaction with the quintessence or phantom fields.The model takes into account this interaction beyond the usual approach, in which the interaction is phenomenologically described by the energy flow between the matter components. In our model, the interaction of tachyon field with a canonical scalar field is taken into account through the interaction potential in the total Lagrangian of the system, like in the case of two or more canonical scalar fields. We obtain the different types of exact solution for the model by employing the so-called "first order formalism" procedures.Comment: 9 pages, 2 figure

Development of Independence among Future Primary School Teachers by Applying Interactive Learning Methods

The necessity to develop independence among future primary school teachers during the process of studying in higher education institutions is substantiated. The essentials of independence notion are disclosed as efforts of students aimed at reaching the goals single-handedly. The results of the ascertaining experiment on defining the level of self-organisation expertise maturity confirm the necessity to develop conscientious attitude towards the process of mastering the knowledge, expertise, skills and primary experience in professional sphere. The results of the ascertaining experiment reveal the following: 21 students from 30 second-year students (major in Primary Education) while solving a case task represented by a problem situation substantiate their solution on the basis of empirical experience, not on the theoretical knowledge. Consequently, it is relevant to train future primary school teachers to organise their own learning activity. Interactive learning methods are suggested to solve the problem of independence development among the future primary school teachers. Pedagogical conditions of efficient interactive learning forms in higher education institutions are substantiated and it launches the development mechanism for such personality feature as independence

DEVELOPMENT OF THE PARTS OF SPEECH THEORY IN RUSSIAN RUSISTICS

This paper analyzes the development of parts of speech theory in Russian rusistics within the period of the past two hundred years. The analysis allows us to consider the approaches towards the classifications based on various principles (logic, psychological, positivistic, functional, cognitive) and come up with the characteristics enabling the scholars to give non-contradictory linguistic definitions to the parts of speech, state their exact number, identify the boundaries between them and develop a system of parts of speech.This paper analyzes the development of parts of speech theory in Russian rusistics within the period of the past two hundred years. The analysis allows us to consider the approaches towards the classifications based on various principles (logic, psychological, positivistic, functional, cognitive) and come up with the characteristics enabling the scholars to give non-contradictory linguistic definitions to the parts of speech, state their exact number, identify the boundaries between them and develop a system of parts of speech.This paper analyzes the development of parts of speech theory in Russian rusistics within the period of the past two hundred years. The analysis allows us to consider the approaches towards the classifications based on various principles (logic, psychological, positivistic, functional, cognitive) and come up with the characteristics enabling the scholars to give non-contradictory linguistic definitions to the parts of speech, state their exact number, identify the boundaries between them and develop a system of parts of speech

Functional redundancy of air exchange processes in technological premises for poultry keeping

The article focuses on the problem associated with emergency power outages at poultry farms. Poultry farming is one of the key branches of agriculture underlying the implementation of the country’s food security doctrine. The trouble-free operation of the technological equipment of poultry workshops is an important and essential condition for improving the productivity and health of poultry. The article presents a method for calculating the multiplicity of air exchange, which makes it possible to determine the optimal parameters of natural ventilation to stabilize microclimatic conditions in a poultry shop in the event of an emergency in the power supply system. The analysis of infrared thermography of the poultry housing confirms the presence of thermally stressed zones and the unevenness of their distribution, which is a prerequisite for creating a model for leveling temperature fields to a physiologically comfortable level for poultry. The article proposes to consider the issue of introducing refrigeration units into the production cycle as a method of solving the issue of livestock safety if it is necessary to transfer the ventilation system to a free-convection mode. The arguments put forward in the article are focused on the impossibility of the bird’s vital activity during the transitional and warm periods, even with a short-term shutdown of the ventilation system. The creation of a temperature difference will provide a backup air exchange for the period of repair work. The analysis of electricity consumption at a poultry enterprise by month allows us to put forward a proposal to redistribute part of it to the cold storage process. The preliminary calculations carried out confirm the sufficiency of the part of the electricity allocated for the implementation of air-conditioned air exchange, with the “tunnel” type ventilation used

Methodological foundations of directional stability of a machine-tractor unit in sloping agriculture

The article describes a method for holding a tractor unit (MTA) on a slope when performing technological operations by changing the angles of the tractor wheels and the mounted machine. The variants of the MTA movement trajectories are considered, graphs of wheel deflection angles are presented, and an algorithm for calculating compensation for the total displacement of the MTA with excessive turning on the slope is presented. Calculations have shown an 11% reduction in the reaction time of the unit to changes in landscape characteristics with operational adjustment of the angle of withdrawal of the “equivalent” wheel, carried out by varying the pressure exclusively by the support and transport wheels of the mounted gun

Management of KPC-Producing Klebsiella pneumoniae Infections

Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae (KPC-KP) has become one of the most important contemporary pathogens, especially in endemic areas

The concept of technical combination of water supply systems and low-temperature air flow generation

The concept concerns the field of design and development of technical systems with an increased level of operational adaptability, in particular, the creation of air compression systems to lower its temperature before being supplied to a technological facility using water pressure in the water supply system of this facility. The innovation lies in filling the water storage tank with a water mass that simulates the operation of a liquid piston, with an increase in which air is compressed in the tank while cooling it based on the “adiabatic throttling” effect before being forced into the injection line, while the full working cycle is realized during two alternating cycles of filling the water storage tank due to hydropower with a water mass filling the capacity and electricity consumed by the pump during the period of the operating cycle. The low-temperature air flow is generated by means of a pneumatic accumulator (receiver), which is pre-filled with compressed air during the displacement of air from the working cavity of the water storage tank by a liquid piston, and then the compressed air is forced back into the upper piston space of the water storage tank in the “adiabatic expansion” mode

Modelling Tachyon Cosmology with Non-Minimal Derivative Coupling to Gravity

We study a tachyon model with non-minimal derivative coupling to gravity in the Friedmann-Robertson-Walker flat cosmology. We propose the special re-definition of the tachyon field which allows us to represent tachyon field equation formally coinciding with its usual form but with re-defined Hubble parameter. Two first integrals for the model equations are obtained that can essentially simplify both further analysis and analytical solving for the model. These integrals become the trivial identities in the case of minimal coupling. The effective energy density and pressure of the tachyon field are obtained, and the necessary condition of the possibility for this model to expand with acceleration is derived.Comment: 7 page

The current strategy was the use of neuroprotective protein diet purposes

This article provides an overview of the scientific evidences on the use of low-protein diet by patients with chronic kidney disease. Their analysis show that low-protein diet refers to the recommendations of a high lavel of conclusiveness. Low-protein diet, especially in conjunction with the reception ketoaminoacid has nephroprotective properties that allows to continue predialysis period for patients with chronic kidney disease