Actual problems of Mathematics, Physics and Mecanics
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Actual problems in modern agriculture
PROSPECTS FOR CAMEL WOOL PRODUCTION WORLDWIDE AND UZBEKISTAN’S OPPORTUNITIES IN THIS SECTOR
This article examines the current state of camel wool production and processing worldwide and evaluates the development potential of this sector in Uzbekistan. Camel wool is recognized as one of the most valuable natural fibers due to its excellent thermal insulation, softness, durability,...
3 June 2026, 22:10
INTEGRATING EMI, MULTI-SENSOR REMOTE SENSING, AND MACHINE LEARNING FOR HIGH-RESOLUTION DIAGNOSTICS OF SOIL SALINITY IN THE AMU DARYA RIVER DELTA
Soil salinity is a pervasive environmental stressor triggering land degradation in irrigated areas of arid regions, notably in the Aral Sea Basin of Central Asia. This study presents a high-resolution diagnostic approach to map soil apparent electrical conductivity (ECa) by integrating proximal...
3 June 2026, 22:09
THE EFFECT OF DIFFERENT DESIGNS OF STUDDED–SLATTED DRUMS ON THE IMPURITY SEPARATION PROCESS
This article presents the results of experimental studies on the influence of different конструктив parameters of peg-and-plank drums on the process of separating fine impurities from raw cotton. While maintaining the overall drum diameter at 400 mm, the internal shell diameters (300, 270, 240, and...
3 February 2026, 22:00
THE IMPORTANCE OF MICROCLIMATE CONTROL IN PREVENTING SELF-HEATING IN COTTON FLOWERS
The article analyzes the physical, chemical, and biological changes occurring during the storage of raw cotton. The distribution of moisture and temperature within cotton piles, as well as the influence of microbiological activity and oxidation reactions on fiber quality, are discussed in detail. A...
3 November 2025, 22:00
RESULTS OF EXPERIMENTS CONDUCTED IN A COTTON DRYER WITH COMPACTED GEOMETRIC DIMENSIONS
This article presents the results of experimental work on the rotation speed of the compacted drying drum, the height of the cotton raw material inside the drum using the paddles, and the time of cotton raw material inside the drum body on the second industrial grade cotton raw material of the...
3 October 2025, 21:50
ANALYSIS OF THE COATINGS OF PEG DRUMS FOR CLEANING COTTON FROM FINE IMPURITIES
This article presents an analysis of picker drum covers for effectively cleaning cotton from fine impurities. In traditional cleaning drums, the uniform arrangement of the spikes consistently impacts the cotton and trash, leading to decreased cleaning efficiency and potential damage to the trash....
3 September 2025, 21:50
INVERSE SCATTERING FOR THE DULLIN-GOTTWALD-HOLM EQUATION WITH A SOURCE
In this paper, the Cauchy problem for the Dullin–Gottwald–Holm equation with a source in the class of rapidly decreasing functions and a procedure is developed to construct the solution via the IST method is presented. In particular, from a physical perspective, it is analyzed that sources arise in...
3 July 2025, 21:50
EXISTENCE AND UNIQUENESS OF SOLUTIONS FOR A MIXED-TYPE PROBLEM WITH INTEGRAL GLUING CONDITIONS
This paper examines a boundary value problem for a loaded differential equation with Riemann–Liouville fractional derivatives and integral gluing conditions. By reducing the problem to a system of integral and fractional equations, conditions ensuring existence and uniqueness of the solution are...
3 July 2025, 21:50
THE IMPORTANCE OF PHYSICS-BASED MODEL SELECTION AND RESULT CALIBRATION IN SIMULATION SUB-5NM SILICON GAAFETS
This paper investigates the critical Sentaurus role of physics-based model selection and calibration in the simulation of sub-5nm silicon Gate-AllAround Field-Effect Transistors (GAAFETs) using the TCAD environment. As transistor dimensions shrink below 5nm, classical modeling approaches become...
3 July 2025, 21:50
EXTREMAL FUNCTIONS ON PARABOLIC MANIFOLDS AND REGULAR COMPACTS
This article considers parabolic Stein manifolds that admit special plurisubharmonic exhaustion functions. Using such a function, the notion of a 𝜌-polynomial is introduced. On manifolds possessing a rich family of such polynomials, we study maximal functions and regular compact sets for which...
3 July 2025, 21:50