Actual problems of Mathematics, Physics and Mecanics
Actual problems in modern technical sciences
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2019
THEORETICAL AND SCIENTIFIC CONCEPTS REGARDING GEOECOLOGY
This article deals with the importance of geoecologytoday, themethodological foundations of this subject, and the emphasis onscienceinourcountry. In addition, the purpose and subject of the geoecology, the developingstylesof this subject in world practice are also described....
3 July 2019, 14:18
THE INFLUENCE OFFERTILIZER STANDARDSON THE GRAIN QUALITY OF FRESH AND PERSPECTIVE WHEAT SORTS
In this article the influence of mineral fertilizersonthewinter wheat yields is highlighted. It was determined that biometric dataofwinterwheat sorts were high when the norms of mineral fertilizers were invariantsofN200; P-120; K-120kg....
3 July 2019, 14:16
OPPORTUNITIES OF IMPROVING RESISTANCE METHODS TO TERMITSBASED ON DATA REGARDING THE IRBEHAVIOUR
This article highlights the information on termites highly distributedinnature and their bioecological features, the areal extent of their distribution, the usage of studying them in taking measures to resist them, and developingtheimprovementways of fighting against them....
3 July 2019, 14:14
DEVELOPMENT OF LINEAR MATHEMATICALMODELSOFTHETECHNOLOGICAL PROCESS OF CRUSHINGSEEDSCRUSHING
The simplified statistical linear model of the object under studyisdeveloped on the basis of experimental and statistical studies of the technological process of crushing the cottonseed of an oil extraction plant using the experimental degn method. The analysis of the homogeneity of the dispersion,...
3 July 2019, 14:11
MATHEMATICAL MODELS OF MULTI-COORDINATE ELECTROMECHATRONIC SYSTEMS OF INTELLECTUAL ROBOTS
In the article mathematic description of mechatronicmoduleinintelligent robots and robotic systems are observed. To display the structure of mechatronic modules, which consist of interrelated different electrical, magneticand meatn components, mathematic models by the help of multiplication theory...
3 July 2019, 14:10
DEVELOPMENT OF INGIBITOR COMPOSITION OF CORROSION FOR PROECTION OF STEEL ARMATURE
For over 150 years, reinforced concrete structures have been used inconstruction. A long-term study of the durability of reinforced concrete structures invarious operating conditions shows that dangerous damages caused by the development of reinforcement corrosion, which pose a threat to...
3 July 2019, 14:07
PRINCIPLES OF AUTOMATION OF PROCESS ACCOUNTING AND CONTROL DEVICES OF RAILWAY AUTOMATICS AND TELEMECHANICS
The article deals with the issues of functional support of the automated system of accounting and control of railway automation and telemechanics devices: signaling, centralization and blocking; the components of the electronic Executive part of the system are presented; the conceptual model is...
3 July 2019, 14:06
AN ANALYSIS OF THE WORK OF PASSENGERS TRAINS ON TWOZONE SECTIONS AND THEIR ALERT AUTOMATION
Company "Uzbekistan railways" has made a great contribution te safety of passenger traffic. It is expected that passenger trains will have anmber factors affecting the large passenger traffic in the coming days and wll be i te ture. That is why passenger trains require that the issuance...
3 July 2019, 14:02
DEVELOPMENT OF THE THICKENER COMPOSITION WITH LOCAL RAW-MATERIALS FOR PRINTING BLENDED FABRICS COTTON-SILK
In the following article the developed newthickener are studiedbasedon hydrolyzed acrylic emulsion (HAE), uzchitan and carbaxymethyl starchforprinting mixed fabrics cotton-silk. Investigated coloristic prop- erty printedfabrics....
3 July 2019, 14:00
STRUCTURAL FEATURES OF SOLID SOLUTIONS (InSb)1-x(Sn2)x FILMS GROWN FROM A LIQUID PHASE ON GaAs SUBSTRATES AND SOME PHOTOELECTRIC PROPERTIES OF HETEROSTRUCTURES ON THEIRBASIS
Layers of solid solutions (InSb)1-x(Sn2)x on (100) GaAsand(100) GaP substrates were grown by liquid phase epitaxy fromanindiummeltsolution. The solid solution (InSb)1-x(Sn2)x (0 ≤х≤ 0.05) had a mono-crystal structurewith the orientation (100), constant of the lattice as.s. = 6.486...
3 July 2019, 13:58