Additive technologies that allow creating volume objects of different complexity are becoming popular in different industries. There is an increase in the scale of introduction of 3D printing technologies in the construction industry, including in the production of ceramic products. With the help of modern additive technologies, different models, products and designs are created. They can be complex and can be made from different materials. Experts are wondering what the future holds for additive technologies in construction, as well as in ceramic production, as these technologies can save resources, reduce the time of the technological process and form complex shapes. The article presents an analytical review of the global application of additive technologies in construction, as well as in the manufacture of ceramic products. The advantages and disadvantages, the possibilities of 3D printing are considered. The creation of ceramic three-dimensional products is still a rare area of additive technologies that requires research. The production of ceramic products, superior to other materials in terms of high temperature strength, hardness, chemical and thermal resistance, has a high potential for the use of additive technologies. The types of construction 3D printers and raw materials for them are analyzed. The results of a study of the properties of clay raw materials of the Sannikovsky, Namtsyrsky and Kangalassky deposits of the Republic of Sakha (Yakutia) are presented.
The article presents the results of the intermediate stage of the research conducted within the framework of the project of the Russian Foundation for Basic Research No. 19-29-14030 ”Cognitive models and algorithms for the formation of digital competence of a teacher in the conditions of digitalization of general education”. The project is aimed at improving the effectiveness of the teacher’s activities in the context of digitalization of education by developing the digital competence of the teacher through the introduction of cognitive models and algorithms for evaluating the digital competencies of teachers and making decisions on the design or adjustment of professional development programs. The current state of the problem of professional and personal development of teachers in the context of digitalization of education, their digital competence, approaches to the identification of digital competencies and their assessment is studied, conceptual approaches to the identification of digital competencies of teachers are defined and the main indicators of their assessment are developed. At the second stage (2021), a structural model of the organization of professional development of teachers is being developed, taking into account the requirements of digitalization of general education on the basis of a competence-based approach. There is also the task of developing a cognitive model of the advanced training program (ATP), which allows us to take into account the strength of the links between the studied modules and digital competencies based on the application of an algorithm for assessing the significance of disciplines. The results of this work are proposed for discussion in this article.
Electrical circuits of reactive power compensation on the basis of thyristor control circuits in the power supply system of oil refineries are considered. The main advantages, advantages over traditional reactive power compensation systems and directions of introduction into the power supply system of modern production are formulated.
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