Actual problems of Mathematics, Physics and Mecanics
Actual problems in modern technical sciences
Actual problems of Natural Sciences
Actual problems of history, philosophy and sociology
Actual problems in modern tourizm and economics
Modern problems of Philology and Linguistics
Actual problems in modern pedogogy and pshychology
Actual problems in modern agriculture
Actual problems in modern art and architecture
October
WISE USE OF NATURAL RESOURCES IN SUSTAINABLE DEVELOPMENT OF AGRICULTURE
This article examines the ways of rational use of natural resources in the sustainable development of the republic's agricultural network. In particular, the attitude to land and water resources is scientifically substantiated. It is analyzed that the land resource is the main means of...
3 October 2024, 21:50
STUDY OF THE CATALYTIC PROPERTIES OF SYNTHESIZED HYDROTREATING CATALYST CARRIERS
The article examines the study of the catalytic properties of synthesized hydrotreating catalysts based on carbonate-palygorskite clay. The tests of the synthesized catalysts show that the new catalyst carrier modified with carbonatepalygorskite clay for hydrotreating diesel distillate is not...
3 October 2024, 21:50
NEUTRALIZATION OF THE HARMFUL EFFECTS OF IMPURITIES IN FOUNDRY MAGNALIAS
The influence of impurities with different sizes and number densities on the evolution of the microstructure and mechanical properties of alloys with different Mg contents has been studied. Phase analysis showed that in the studied alloys, in addition to crystals of a complex alloy solid solution...
3 October 2024, 21:50
COLD PLASMA SYSTEMS: PRINCIPLES AND APPLICATIONS
Nonthermal plasma technology has emerged as a versatile tool for environmental remediation, energy conversion, and chemical processing due to its ability to generate reactive species at low bulk gas temperatures. One of the most promising advancements in this field is the integration of nonthermal...
3 October 2024, 21:50
PROBLEMS AND PROSPECTS FOR THE USE OF CONCENTRATED ENERGY PLANTS WITH PHOTOCONVERTERS
The efficiency of solar energy conversion using semiconductor elements is being developed in the following areas: increasing the efficiency of photovoltaic cells through the search for new materials and methods of their processing; use of solar energy concentrators; development of solar orientation...
3 October 2024, 21:50
CHANGES IN THE ELECTROPHYSICAL PROPERTIES OF THE SEMICONDUCTOR-DIELECTRIC BOUNDARY REGION UNDER THE INFLUENCE OF AN EXTERNAL FIELD AND ITS EFFECT ON THE CHARACTERISTICS OF FIELD-EFFECT TRANSISTORS
In this article, it is theoretically analyzed that when there are surface states and there is no external voltage, the energy zones of the semiconductor are bent, that is, there is an electric field introduced at the border of the semiconductor-dielectric separation. The presence of such a field...
3 October 2024, 21:50
TWO-DIMENSIONAL TRANSIENT HEAT TRANSFER PROBLEMS FOR INHOMOGENEOUS BODIES SIMULATED USING FEM
The process of heat transfer in a plate of inhomogeneous material is investigated in the article, based on the solution of a two-dimensional problem of heat conduction by the finite element method. Straight-sided finite elements are used to solve the plane problem of heat conduction. Basic...
3 October 2024, 21:50
OPTIMIZING AXIAL ABSORPTION IN END-SIDE PUMPED SOLAR LASERS
One of key problems in directly solar pumped solid-state lasers is thermal management. It can significantly degrade solar laser output characteristic. In this respect, we investigated the potential of composite active media to optimize absorption distribution using simulation models in end-side...
3 October 2024, 21:50