153 research outputs found
Motivation in personnel management of a trading enterprise
Purpose: Investigating the problems of personnel motivation efficiency as one of the most significant factors of the success of an enterprise at the present stage of development of the Russian economy, the authors consider expedient to consider the theory and practice of the personnel motivation system in a commercial enterprise. Design: General scientific (analysis, synthesis, comparison), and special methods of research (economic and statistical, balance sheet, design-calculation and other), document analysis, questioning, and others were used during the study. Findings: The authors revealed that the trading company should focus on the development of a system of motivation in two directions: the improvement of material motivation of staff and the improvement of non-material motivation of staff. Improving the proposed system of staff motivation will allow the company to create a favorable atmosphere in the team, increasing turnover. Practical implications: The obtained results can be used by the head of the enterprise when developing plans to improve the management system and increase investment attractiveness. Originality: This article analyzes the theoretical foundations of motivation in personnel management. Given the organizational and economic characteristics of the trading enterprise, identified the existing system of motivation in the enterprise.peer-reviewe
RATIONAL ALTITUDE STRUCTURE FOR PLACING THE WIND EQUIPMENT IN THE CONDITIONS OF UKRAINE
Purpose. For wind observations special wind equipment is used, which should be placed at a certain height above the ground for a relatively short period of time. Such equipment can be transferred from one region to ano-ther. Therefore, the main purpose of the studies outlined in the publication is the selection and justification of the construction of a mobile altitude structure for the placement of wind equipment in the natural and climatic conditions of Ukraine. Methodology. To achieve this purpose, first we chose the type of altitude structure from the existing ones. Next, we determined the nature of the effect of natural and climatic loads on these structures in accordance with the norms of Ukraine. After this, we performed a numerical analysis of the work of altitude structures by the finite element method on the basis of the Lira software. Also, an economic evaluation of the expediency of using altitude structures of a certain type was made, taking into account the lease of the land plot for their location. Findings. According to the results of the conducted studies, it should be noted that for the conditions of Ukraine a steel tower is the most rational mobile altitude structure for placing wind equipment for a relatively small interval of time. In comparison with a steel mast of a similar height, the total cost of its installation and operation is lower. The X-cross brace for steel towers from 50 to 60 m in height is more rational than the K-brace. Herewith, its usage decreases the construction cost almost by half. Taking into account the possibility of transportation, the separation of the steel tower into assembly units of 8-10 m in length is the most effective. Originality. The authors proposed the method for estimating the economic efficiency of choosing a mobile altitude structure depending on the natural and climatic conditions of the terrain. In accordance with this method, the most rational type of altitude structure is determined taking into account its mobility. Practical value. Application of the proposed approaches and the solutions allows reducing the time required for calculations in design practice and also more reasonably approaching the choice of design solutions for altitude structures
Analysis of bow-tie antenna properties for brain microwave radiometry
В работе приведены результаты исследования одной из конструкций вибраторных антенн-аппликаторов, применяемых для контактных неинвазивных измерений собственного электромагнитного излучения головного мозга. Исследования проведены с помощью численного моделирования (гибридным методом конечных элементов и методом моментов), реализованного в программном пакете FEKO Suite 7.0. В этой среде была построена модель тканей головы человека и выполнена оптимизация антенны. В качестве критериев оптимизации выбраны: минимальный коэффициент отражения и максимальная напряженность электрического поля на глубине 50 мм. Рассчитаны частотные зависимости коэффициента отражения и мощности, сосредоточенной в различных тканях. Определено распределение плотности мощности в структуре. По полученным результатам сделан вывод, что антенна, оптимизированная по максимальной напряженности поля, обеспечивает прием большей доли мощности с внутренних слоев мозга.In this work, the results of a study on bow-tie antenna for contact noninvasive measurements of self-radiation of a human brain are presented. The investigation was carried out using numerical modeling (hybrid finite elements method and method of moments) by employing FEKO Suite 7.0. In this software the design of human head model was analyzed and the antenna optimization was conducted. The optimization goals are to minimize the reflection coefficient and maximize the electric field at a depth of 50 mm. The frequency dependencies of reflection coefficient and power collected from different tissues were calculated. The power density distribution was defined in the structure. It was found that the antenna, which was optimized in order to maximize electric field strength, provides better reception of energy from deep brain layers
The investigation of the pervasion of an electromagnetic wave through human skin with sucface discontinuity in the form of pore
В данной работе рассмотрены особенности прохождения электромагнитной волны с частотой 2,4 ГГц через кожу человека с неоднородностями в виде пор. Оценена величина напряженности электрического поля под неоднородностью для различных материалов заполнения поры кожи. Определено распределение напряженности электрического поля в сечении модели при прохождении электромагнитной энергии через пору. По полученным результатам сделан вывод, что участки кожи, содержащие неоднородности в виде пор, лучше пропускают электромагнитное излучение на частоте 2,4 ГГц чем участки кожи без неоднородностей.In this paper, the features of the pervasion of electromagnetic waves on a 2.4 GHz frequency in the model of human skin with discontinuity in the form of pore is considered. The electric field distribution under the pore for different materials filling the pore was found. The distribution of the electric field in the cross section of the model with electromagnetic energy passing through the pore was obtained. By the results obtained it was concluded that skin with pores better transmits electromagnetic radiation at a frequency of 2.4 GHz than the skin without any discontinuities
Strategic planning in the sphere of education in regions
The article is devoted to problems of strategic planning in education. Special attention is paid to the formation of regional education development programs. The article considers the main provisions of the strategic program for the development of the education system at the municipal level as a key position for the formation of a unified educational space. The authors’ analysis of such programs has shown that such programs are often devoid of consistency and are not consistent with the development programs of the leading branches of knowledge and the economy of the region. Based on the legal framework, scientific articles, and the experience of the regions the authors propose a model for the formation of regional strategic planning documents in the field of education, based on the principle of a triple helix of interaction between the state, educational organizations and business. The educational space planned according to this model will differ not only in a new organizational format designed to coordinate the path of education and training, but will also serve as a consolidation of resources from all three sources
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