Presentation potential using in pedagogical interaction process

The given article is aimed at considering multimedia presentation potential and its influence on strengthening classroom teacher-student interaction. In the article the importance of using this kind of activity in the study process is pointed in connection with educational state policy on the one hand. On the other hand, gained students’ skills as a final result of work with presentations met employers’ demand for both parent and world labour-markets and bring competitive benefit to the candidates. Scientific novelty and results. Multimedia presentation is considered as a specific complex of classroom activities. The students are oriented on the self analysis and presentation assessment. It is shown that well-organized process of peer students’ assessment allows to simultaneously helping in solving the didactic and methodical problems. To this purpose the system of assessment criteria should be developed. It has to be clear for students for making assessment feasible and time-saving. The example of a possible variant of criteria system is described; quality of the presentations prepared by students can be defined based on such system criteria. The author also analyzed software products of the three main platforms (Windows, Linux, MacOs) which have different tools and allow to follow users’ needs for creating presentations. In the article there is a comparative table of the two most popular software development: the program Microsoft PowerPoint and the web-service Prezi for realizing the relevance of their use in the study process. Practical significance of the present article concludes in author’s suggestions of some recommendations for presentation potential use as a tool of improving pedagogical interaction process with contemporary students. Целью данной статьи является рассмотрение потенциала мультимедийной презентации и его влияния на укрепление педагогического взаимодействия между преподавателем и обучающимися во время аудиторного занятия. В статье указывается на важность использования данного вида деятельности в учебном процессе в связи с требованиями государственной образовательной политики по отношению к современной ежедневной педагогической практике. Навыки, сформированные у обучающихся в результате работы с презентациями, высоко ценятся работодателями как на отечественном, так и на зарубежном рынках труда и дают их обладателям конкурентное преимущество. Научная новизна и результаты. Учебная мультимедийная презентация рассмотрена как особый комплексный вид деятельности, в который на занятии вовлечены все обучающиеся, наделенные соответствующим функционалом и ориентированные на самостоятельный разбор, анализ и оценивание предоставляемой информации. Показано что правильно организованный процесс оценивания студентами друг друга позволяет одновременно решить несколько задач дидактического и методического характера. Однако для этого необходимо разработать систему критериев оценки презентации, которая будет прозрачна и понятна обучающимся, а процесс оценивания будет посилен и не займет много времени. Описан пример возможного варианта системы критериев, на основе которых определяется качество подготовленных студентами презентаций. Автором проанализированы программные продукты на базе трех основных платформ (Windows, Linux, MacOs), обладающие разным инструментарием и позволяющие создавать презентации с учетом потребностей пользователей. Приводится сравнение двух наиболее популярных софтверных разработок: программы Microsoft PowerPoint и веб-сервиса Prezi с точки зрения актуальности и целесообразности их использования в учебном процессе. Практическая значимость статьи состоит в предложении и описании основных оценочных категорий работы с мультимедийными презентациями на аудиторном занятии. Даны рекомендации по использованию ее ресурсов для налаживания эффективного педагогического взаимодействия с учащимис

Asymptotic analysis of operator families and applications to resonant media

We give an overview of operator-theoretic tools that have recently proved useful in the analysis of boundary-value and transmission problems for second-order partial differential equations, with a view to addressing, in particular, the asymptotic behaviour of resolvents of physically motivated parameter-dependent operator families. We demonstrate the links of this rich area, on the one hand, to functional frameworks developed by S. N. Naboko and his students, and on the other hand, to concrete applications of current interest in the physics and engineering communities.Comment: 60 pages, 2 figures; a survey of recent results in the area, see also arXiv:2010.13318, arXiv:1808.03961, arXiv:1703.06220, arXiv:1510.0336

Market restrictions on the lifting and transportation equipment production

Over the past few decades, the trends of globalization and the markets expansion have been fundamental in the Russian and world economies. Such economic structure requires a large volume and range of transportation, the storage systems presence, the transported objects distribution. Logistics centers become an integral part of the economic development both for the regions and the country as a whole. Logistics centers, in turn, need specialized equipment that allows the most efficient use of existing storage areas. Reach truck is one of the most commonly used equipment in large A and A + warehouses. The article presents the estimating market restrictions method when the equipment cost determining taking into account the characteristics of the designed facility and the main competitors represented on the market. The method peculiarity is taking into account the technical and consumer characteristics of the investigated object, their comparison with the competitors' parameters. Based on this comparison, the possible product price is determined. The proposed technique allows to optimize equipment configuration and price depending on the consumers' needs. The proposed evaluation algorithm was tested on complex technical equipment (reach truck), but it should be noted that the proposed methodology is universal and can be applied to any technical object. © Published under licence by IOP Publishing Ltd

The working zone in the interpolar area of the Faraday balance: an approach to testing the magnetic force factor stability criterion

Due to rapid development of the scientific and applied research in magnetic control and magnetophoresis of ferro- and ferromagnetic disperse fraction of various technological, natural and industry-specific media, the Faraday method is again in high demand as it is mainly aimed at defining magnetic susceptibility of solid and heterogeneous samples of small volumes. Based on the appearing (and then measured) ponderomotive force impacting the sample, the method allows accurate determining of single particles magnetic susceptibility by using the data of the sample represented by a conglomerate of the particles of such a fraction. In addition, it is mentioned that to date there is still a great gap in the methodology of the Faraday method as there are no exact recommendations on choosing both the form of the polar pieces of the Faraday balance and the positioning of the sample (the location of the working zone) in the interpolar area. Owing to these drawbacks, the well-known and long-time used Faraday method cannot be considered substantiated to a satisfactory degree. Thus, in our point of view, the treatment of the results obtained earlier with the help of the method should be cautious. In our work, we experimentally defined and substantiated an approach to identifying a working (local) zone, viz. the zone with stable values of the magnetic force factor – the product of the field intensity and induction by its gradient. The approach features the relative phenomenological analysis and is exemplified by polar pieces of non-traditional spherical form. It has been demonstrated that in order to state the fact of mere existence of this zone (and its location) in the interpolar area, the coordinate (usually nonlinear one) characteristic of intensity or induction, which is obligatorily obtained in an experiment, should have an inflexion, which guarantees a functionally extreme view of the following coordinate characteristics both of the gradient and that of the force factor. We also established the coordinates and the length of the working zone in a specific interpolar area

Ab Initio Calculations of the Walls Shear Strength of Carbon Nanotubes

The dependence of the energy of interwall interaction in double-walled carbon nanotubes (DWNT) on the relative position of walls has been calculated using the density functional method. This dependence is used to evaluate forces that are necessary for the relative telescopic motion of walls and to calculate the shear strength of DWNT for the relative sliding of walls along the nanotube axis and for their relative rotation about this axis. The possibility of experimental verification of the obtained results is discussed.Comment: 4 pages, 1 figur

Use of a recombinant human follicle-stimulating hormone:recombinant human luteinizing hormone (r-hFSH:r-hLH) 2:1 combination for controlled ovarian stimulation during assisted reproductive technology treatment: A real-world study of routine practice in the Russian Federation

Two observational studies in the Russian Federation described patient demographics/clinical decision for treatment with recombinant human follicle-stimulating hormone:recombinant human luteinizing hormone (r-hFSH:r-hLH) 2:1 combination for ovarian stimulation (OS) during assisted reproductive technology (ART) and outcomes, respectively. The first (prospective) study enrolled 500 patients. After post-hoc regrouping to assign patients to discrete groups, 378 (75.6%) met the local Russian label for an r-hFSH:r-hLH 2:1 combination, 105 (21%) were treated according to other physician preference, and 17 (3.4%) met only the ESHRE Bologna criteria for a poor ovarian response. The clinical pregnancy rate per cycle was 30.4%. A total of 158/175 (90.3%) women achieving clinical pregnancy in the prospective study participated in the second (retrospective) study. The live birth rate per cycle was 25.8%. No new safety concerns were reported. These results support the use of the r-hFSH:r-hLH 2:1 combination in patients with a poor/suboptimal response to OS for ART treatment in the Russian Federation

Journalistic Practices of Construction Calendar Holidays: History, Person, Symbolic Meaning

В центре внимания статьи — конструирование реальности в медиадискурсе. Авторы исследуют дискурсивные практики конструирования календарных праздников (на примере Дня народного единства в России). Исследование показало, что журналисты пишут об истории и традициях праздника. Они также описывают праздничные мероприятия и цитируют поздравления официальных лиц. Авторы выявили такие важные дискурсивные практики, как придание празднику символического значения и связь исторических событий с текущей ситуацией.The article deals with the construction of reality in the media discourse. The authors research discursive practices of the construction of calendar holidays (for example, National Unity Day in Russia). The study showed that journalists write about the history and traditions of the holiday. They also describe celebratory events and quote congratulations from officials. The authors identified such important discursive practices as attributing a symbolic meaning to the holiday and the connection of historical events with the current situation