Actual problems of Mathematics, Physics and Mecanics
Actual problems in modern technical sciences
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Actual problems of Mathematics, Physics and Mecanics
SOLUTION OF SYSTEMS OF LOGIC EQUATIONS IN RECOGNITION TASKS
In logical recognition systems, logical methods are used to construct the recognition algorithms based on discrete analysis and propositional calculus based on it. In the general case, the logical method of recognition provides for the presence of logical connections expressed through a system of...
3 December 2019, 01:36
SOME LOCAL PROBLEMS FOR THE PARABOLIC-HYPERBOLIC TYPE EQUATION INVOLVING A RIEMANN–LIOUVILLE FRACTIONAL DIFFERENTIAL OPERATOR
In this work, we study the boundary-value problems for a third-order mixed type loaded equation with fractional differential operator. Using method of integral equations, a unique solvability of the formulated problem has been proved....
3 November 2019, 23:50
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 THEIR BASIS
Layers of solid solutions (InSb)1-x(Sn2)x on (100) GaAs and (100) GaP substrates were grown by liquid phase epitaxy from an indium melt solution. The solid solution (InSb)1-x(Sn2)x (0 х 0.05) had a mono-crystal structure with the orientation (100), constant of the lattice as.s. = 6.486 Å and the...
3 August 2019, 15:41
EXPERIMENTAL INVESTIGATION OF THE THERMOPHYSICAL CHARACTERISTICS OF THE MELATIC MEAT
This article presents some results of experimental studiesofthethermophysical characteristics of melon pulp. The thermophysical characteristicsofthe pulp of melons of different varieties in the temperature range from20º to70ºСare determined. It has been established that thermal...
3 July 2019, 14:25
THE BENEFITSOF UTILIZING VIRTUAL EDUCATIONAL TECHNOLOGIES IN THE DEVELOPMENT OF STUDENTS’ SKILLS IN MICROBIOLOGY
The article discusses the benefits and prospects of virtual teachingtechnologies in the development of necessary learners’ skills in microbiology....
3 July 2019, 14:24
THE IMPORTANCEOF PICTIA IN PURIFYING RNNING WTER. ( i the example of Andijan city, Uzbekistan)
In current article the methods of purifying of sewage grey water plantswithpistia telezorovid are given. The methods of efficient ways of analyzinginlaboratoryconditions are highlighted. The chemical and physical features of pistiaplantaregiven....
3 July 2019, 14:22
CONTINUOUS, YEAR ROUND USE OF IRRIGATED LANDS IN SOUTHERN ZONE OF UZBEKISTAN
The paper indicates scientifically substantiated continuous, year-rounduseof irrigated lands in Surkhan-Sherabad valley, southern zone of Uzbekistan. In research, scientifically substantiated production agrotechnology of cropsinoneagricultural system were investigated, where the crops were grownas...
3 July 2019, 14:20
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
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