The Effective Optimization Methods of Port Activity on the Basis of Algorithmic Model

The article considers the inland waterways (IW) within the international transport corridors as multiphase systems of mass service (SMS) and shows the distinction in calculation of the important indicator of system efficiency - the average total waiting time of vessel service in the serving subsystems, the application of genetic algorithms to increase the efficiency of reloading processes

Physiological aspects of high-tech refinery operators work

Work at high-tech refineries is characterized by such the main factors as complexity of workers' duties (pace, nature of mental tasks), intense static and dynamic loads, irrational work regime. It is known that the decrease in work efficiency is the result of the influence of factors of the labor process (the monotony of external stimuli, long stay in the required working position, restriction of physical activity, relative isolation and sensory insufficiency). That is caused by the development of inhibition in the cerebral cortex and weakening of excitatory process. Arrival of the signal expected is associated with the transition to intensive activities at the control panel according to a specific algorithm or the operator’s labor intensity in the long standby mode. The paper presents results of studies of the basic physiological parameters of the respiratory and cardiovascular systems of operators during 12-hour work shifts. The assessment confirmed the high “physiological cost” of the operators' work activity, myocardial hypoxia observed in the work shift process, reduced mental performance, development of fatigue, therefore, conditions for reducing the reaction rate and possible error actions of the staff in this work process organization. In addition, the probability of provoking negative changes in the health of operators and possibility of developing a number of cardiovascular diseases, including those caused by production activities, have been confirmed. There is a need to develop individual strategies to adapt to the labor process, taking into account age and professional features of the activity, as well as the development of rational shift regimes of work and rest for working on 12-hour work schedules taking into account the regular changes in the phase character of working capacity in order to optimize conditions and increase productivity

A Distant Control During the Classes of Physical Culture and Sports

В статье рассматриваются возможности контроля при обучении физической культуре в дистанционном формате. Обозначены основные проблемы и особенности дистанционного контроля.The article discusses the possibilities of control in teaching physical culture in a distance format. The main problems and features of remote control are outlined

Training of Future Specialists of Physical Culture

В данной статье рассмотрен опыт применения дистанционных образовательных технологий при подготовке будущих специалистов физической культуры.This article discusses the experience of using distance educational technologies in the preparation of future physical education specialists

The Role of the Teacher in Organization of Self-Learning by Physical Education Under Conditions of Restrictive Measures

В статье рассматриваются вопросы организации самостоятельных занятий физической культурой студентов высших учебных заведений в условиях ограничительных мероприятий.The article discusses the issues of organizing independent physical education of students of higher educational institutions in the context of restrictive measures

АНАЛИЗ КАЧЕСТВА ПОДЗАТВОРНОГО ДИЭЛЕКТРИКА МОП-СТРУКТУР ПО ВОЛЬТ-ФАРАДНЫМ ХАРАКТЕРИСТИКАМ

There were investigated the capacity-voltage characteristics of the MOS transistors, fabricated by the similar process charts, with the identical applied technological materials), however at various time (appropriately further in the text series A and series B). It was shown, that the measurements of the capacityvoltage characteristics of the MOS structures make it possible to perform the quality diagnostics of the gate dielectric. The kind and shape of the measured characteristics are determined by the value of the additional positive charge in the dielectrics and density of the fast surface states on the Si-SiO2 interface, which correlate with the surface concentration of the technological impurities, adsorbed on the surface of the wafers in process of the devices fabrication, which makes it possible to make a conclusion about the quality of the applied materials and compliance of the manufacturing process. Исследованы МОП-транзисторы методом вольт-фарадных характеристик, изготовленных в разное время, но по аналогичным технологическим маршрутам и при использовании идентичных технологических материалов. Установлено, что измерения вольтфарадных характеристик МОП-структур позволяют проводить диагностику качества подзатворного диэлектрика. Вид и форма измеренных характеристик определяются величиной дополнительного положительного заряда в объеме диэлектрика и плотностью быстрых поверхностных состояний на границе раздела Si-SiO2, которые коррелируют с поверхностной концентрацией технологических примесей, адсорбированных на поверхности пластин в процессе изготовления приборов, что позволяет сделать заключение о качестве используемых материалов и соблюдении технологических режимов.

Recovery of potential using module values of its gradient. 2

The method of the recovery of the potential on the module of its gradient under conditionof the similarity of the potential to that given as the limit of the succession of the solations of the boundary problems of Neumann for the Laplace equation that define the disturbing potential proposed in the first part is substantiated. The succession of the disturbing potential is generated by the succession of the solutions of linear integral equations of the second kind with compact operators having large cores. A correct solubility of the given kind of equations is established and the convergence of the succession of the solution of the Neumann's problems to the function unambiguously generating the desired potential is proven

Recovery of potential using module values of its gradient. 1

The history of the problem investigation is briefly described. Gravity is characterized. It is proven that no accurate boundary conditions can be deduced for any linear classical problem of the potential theory (including the problem of Stox – Molodensky for the Laplace equation) from the potential gradient module values. It is shown that the error of the transformations of the potential gradient module anomalies as harmonic functions depends on the carvature of the equipotential surfaces of the field, the amplitude of the anomalies and the measure of the domain in which the transformation is made. It is stated that the methods of processing and interpreting gravity and aeromagnetic anomalies developed on the basis of the theory of harmonic functions and successfully used in exploration geophysics may appear to be ineffective in studying the deep regional structure of the Earth. To pass through the crisis we propose a new definition of a non-linear boundary problem of recovering the attraction (or magnetic) potential in an unbounded closed domain from the values of the module of its gradient at the boundary of the domain provided the potential is similar to the given one. A method is proposed to solve the problem in a succession of the solutions of the Neumann's problems for the Laplace equation which determines the disturbing potential