Actual problems of Mathematics, Physics and Mecanics
Actual problems in modern technical sciences
Actual problems of Natural Sciences
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Actual problems in modern technical sciences
INFORMATION MODEL OF THE THREE-STAGE RISK MANAGEMENT SYSTEM OF CUSTOMS AUTHORITIES
The paper considers the tasks of improving the risk management system in the customs authorities of the Republic of Uzbekistan. The structure has been researched and a three-level customs risk management system has been developed. The "soft" and "hard" components of the risk...
3 December 2022, 21:50
COMBINATION ABILITY OF PARENTAL FORMS AND INHERITANCE OF F2 AND F3 HYBRIDS ACCORDING TO THE DENSITY OF WOOD OF THE MAIN STEM IN COTTON
The article presents the results of research on the study of the nature of inheritance by the density of wood of the main stem of cotton in hybrids F1, F2 and F3....
3 November 2022, 21:50
PROTEIN CONTENT OF WOOD OF THE MAIN STEM IN COTTON
In these studies, we set the task of studying the inheritance of wood protein content in the system of topcross crossing and giving recommendations on the use of the analyzed lines for practical breeding....
3 November 2022, 21:50
INVESTIGATION OF LOCAL RESISTANCE AND AIR VELOCITY IN NARROWING PIPES FOR THE TRANSPORT OF FIBROUS MATERIALS
In this article, based on the results of theoretical and practical studies, local resistances are determined in the zones of narrowing of pneumatic transport air ducts, and the change in air speed is presented in graphical form....
3 November 2022, 21:50
ANALYSIS OF METHODS FOR SURFACE HARDENING OF TOOL MATERIALS
A variety of existing methods for modifying the surface of tool materials can be divided into four groups: surface heat treatment; chemical-thermal treatment; coating synthesis; combined hardening. Heat treatment leads to a change in the structure of the material and an improvement in surface...
3 November 2022, 21:50
PRINCIPLES OF DEVELOPMENT OF CITY BUS SCHEDULE
The article analyzes the criteria for the development of the route bus schedule....
3 November 2022, 21:50
PROSPECTS FOR USE OF ELECTROMAGNETIC DUMP TRUCKS IN QUARIES
During the years of independence, large-scale measures were launched in our republic aimed at achieving the maximum efficiency of excavatorautomobile complexes, improving and theoretically calculating the mountain-climatic and organizational conditions of a particular mining enterprise, moving a...
3 October 2022, 21:50
ANALYSIS OF TECHNICAL SOLUTIONS FOR THE PRODUCTION OF MULTIFUNCTIONAL MACHINES
In the world, especially in the USA, Germany, Sweden, Japan, South Korea, China, Russia, Ukraine, Belarus and other developed countries, special attention is paid to the development of hydraulic systems of tractors and mobile machines in the field of road facilities. construction and agriculture....
3 October 2022, 21:50
CURRENT STATUS OF PROBLEMS AND ISSUES IN RESEARCH AND DEVELOPMENT OF EFFECTIVE ENGINEERING MODIFIED COMPOSITE MATERIALS AND COATINGS
The article provides a literature review of studies that the best physical, mechanical and tribotechnical properties when interacting with raw cotton have composite thermosetting polymeric materials filled with organomineral fillers, which is associated with improved contact interaction conditions...
3 October 2022, 21:50
EXTRACTION OF IRON FROM COPPER SMELTER WASTE
The article presents the results of research on the technology of extraction of ferrous metals from concentrator waste. Accordingly, based on the analysis of local and foreign literature on the processing of concentrators, the classical pyrometallurgical and hydrometallurgical technologies for the...
3 October 2022, 21:50