On the meteor trail spectra

Meteor radiation appears as a result of collisions between meteoroid atoms and air molecules. Depending on duration, this radiation is usually divided into the following types: radiation of the meteor head; radiation of a coma surrounding or immediately following the meteor head; radiation of a trail formed as a result of fragments lagging behind or by the afterglow; and radiation of a meteor train forming from a tail as a result of various chemical and dynamical processes. To investigate physical processes caused by each of the above types, it is necessary to obtain the corresponding experimental data. The physical processes of the radiation and the measurement of the experimental data is discussed

Motion detection in video stream based on background subtraction and target tracking

Рассматривается технология обнаружения динамических объектов на видеопоследовательностях

Singly generated quasivarieties and residuated structures

A quasivariety K of algebras has the joint embedding property (JEP) iff it is generated by a single algebra A. It is structurally complete iff the free countably generated algebra in K can serve as A. A consequence of this demand, called "passive structural completeness" (PSC), is that the nontrivial members of K all satisfy the same existential positive sentences. We prove that if K is PSC then it still has the JEP, and if it has the JEP and its nontrivial members lack trivial subalgebras, then its relatively simple members all belong to the universal class generated by one of them. Under these conditions, if K is relatively semisimple then it is generated by one K-simple algebra. It is a minimal quasivariety if, moreover, it is PSC but fails to unify some finite set of equations. We also prove that a quasivariety of finite type, with a finite nontrivial member, is PSC iff its nontrivial members have a common retract. The theory is then applied to the variety of De Morgan monoids, where we isolate the sub(quasi)varieties that are PSC and those that have the JEP, while throwing fresh light on those that are structurally complete. The results illuminate the extension lattices of intuitionistic and relevance logics

Evaluation of siltation of rivers with intensive economic development of watersheds

In regions with a high degree of agricultural development with an active development of erosion processes and the critical level of degradation of the river network to which the Middle-Russian Upland belongs, the evaluation of sedimentation for various combinations of natural and economic conditions becomes an immediate proble

Geographic Information System and Geoportal "River basins of the European Russia"

The geoinformation system (GIS) and Geoportal with open access "River basins of the European part of Russia" were introduced. The GIS includes the results of spatial analysis and modeling, in particular, the assessment of anthropogenic impact on river basins; estimates of water flow and precipitation; climatic, geomorphological and landscape zoning of the European part of Russi

Mediatization as a Factor in Increasing Interest in Modern Popular Science Media (“Science and Life” and “Popular Mechanics”)

The article is devoted to the study of multimedia tools that are used when placing content in online versions of popular science publications. The relevance of the issue is due to the need to use new convergent forms of promotion of printed publications in the field of mass communications. The novelty of the study is seen in the fact that for the first time the process of multimediaization in the popular science segment of the media is described. The role that multimedia tools play in the development of modern popular science media is shown. Particular attention is paid to topical problems of the functioning of popular science journals, possible ways to solve them, as well as, in this regard, the potential of multimedia. The content analysis and comparative research of electronic and printed versions of popular science magazines “Science and Life” and “Popular Mechanics” are presented. The question is raised about how multimedia expands the opportunities for brand promotion. On the basis of the results obtained, conclusions were formulated about the more effective use of multimedia in popular science media. The definitions of multimedia are given and the classification of the functions of multimedia elements in the publications of Internet media is proposed. It has been proven that modern popular science media does not use the entire range of multimedia elements in Internet versions, which negatively affects their popularization

METHODOLOGICAL APPROACH TO CONDUCTING CORPORATE TECHNOLOGICAL FORESIGHT AND AN EXAMPLE OF ITS USE FOR A COMPANY IN THE OIL AND GAS SECTOR OF RUSSIA

A methodological approach for conducting a technological foresight at the corporate level has been proposed. A corporate foresight based on general methodological approaches used in world practice should take into account a number of additional factors imposed by the specifics of the industry and organization in order to obtain a list of priority technologies and technological directions relevant to the company’s activities. Methodological approach is based on the concept “Markets-Trends-Technologies”. Global markets research allows us to determine key problems and trends of society evolution in economic, social, political and other arears. The transition to the corporate level is carried out by identifying trends in the company’s industry. The methodology have described in detail the methods of attracting experts to assess the power of mutual influence of trends and technologies. The results of the assessment can be used for subsequent technological mapping in scientific and technical forecasting and strategic planning