65-69
404
30 Jun, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
This article addresses the issues of mathematical modeling of water flow velocity and pressure parameters. The theoretical basis relies on the Bernoulli and Navier–Stokes equations, while the dynamic and kinematic viscosity of water is analyzed. To determine f...
54-64
304
30 Jun, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
This paper presents the results of a comprehensive evaluation of a small-scale hybrid biogas plant for farms in Uzbekistan. The system under study includes a 0.5 m³ bioreactor, a 2 m² solar collector, and a 0.55 kW photovoltaic panel, providing thermal and ele...
32-53
265
30 Jun, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The article is devoted to the analysis and demonstration of approaches to the calculation of combined heating and cooling systems using heat pumps and renewable energy sources (RES) under the conditions of Uzbekistan. Calculation results are presented, and the...
22-31
260
30 Jun, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The geological and physical conditions of oil deposits and the results of the analysis of the current state of development of the Akdjar field are presented. Using the characteristics of oil displacement by water, the initial recoverable oil reserves are estim...
14*21
331
30 Jun, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The results of the analysis of perforation works in productive horizons are presented. It was established that the increase in well production rates after horizon perforation depends on the depletion level of recoverable oil reserves. It is shown that at the l...
113-117
399
18 Jun, 2025
TECHNICAL SCIENCES
Abstract. This article analyzes convolutional neural network (CNN) algorithms and studies their application in computer vision, in particular, in automated road recognition systems. The main focus is on the structure of the CNN architecture, its operating prin...
118-129
309
18 Jun, 2025
TECHNICAL SCIENCES
The problem of denoising speech signals is a relevant task for speech recognition systems, mobile communication devices, and voice interfaces. This study proposes a new approach that combines Self - Organizing Map (SOM) and Spectral Subtraction methods. This a...
130-137
406
18 Jun, 2025
TECHNICAL SCIENCES
Abstract. This scientific article comprehensively analyzes the technical and operational problems arising from the symmetrical and asymmetrical distribution of loads in low-voltage electrical networks. In particular, voltage drops and power losses due to uneve...
79-83
450
18 Jun, 2025
TECHNICAL SCIENCES
This article examines the issue of improving energy efficiency in electric arc furnaces (EAFs). The study focuses on the current state of controlling and regulating electrode movement, which directly affects electrical energy consumption during the electric st...
91-99
386
18 Jun, 2025
TECHNICAL SCIENCES
Abstract. Maintaining a stable microclimate in greenhouses is essential for their efficient operation. The demand for automated control systems in agriculture is steadily increasing. The main issue lies in the lack of fast, adaptive, and autonomous control, in...
100-105
346
18 Jun, 2025
TECHNICAL SCIENCES
This article provides a detailed analysis of fuzzy logic and fuzzy production rules, which play a significant role in artificial intelligence and expert systems. The author justifies the relevance of modeling fuzzy inference for decision-making processes based...
54-64
419
18 Jun, 2025
TECHNICAL SCIENCES
Abstract. This paper presents the results of a comprehensive evaluation of a small-scale hybrid biogas plant for farms in Uzbekistan. The system under study includes a 0.5 m³ bioreactor, a 2 m² solar collector, and a 0.55 kW photovoltaic panel, providing therm...
32-53
627
18 Jun, 2025
TECHNICAL SCIENCES
The article is devoted to the analysis and demonstration of approaches to the calculation of combined heating and cooling systems using heat pumps and renewable energy sources (RES) under the conditions of Uzbekistan. Calculation results are presented, and the...
22-31
494
18 Jun, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
Abstract. The geological and physical conditions of oil deposits and the results of the analysis of the current state of development of the Akd jar field are presented. Using the characteristics of oil displacement by water, the initial recoverable oil reserve...
14-21
408
18 Jun, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The results of the analysis of perforation works in productive horizons are presented. It was established that the increase in well production rates after horizon perforation depends on the depletion level of recoverable oil reserves. It is shown that at the l...
144-150
483
18 Jun, 2025
AGRICULTURAL SCIENCES
This article presents various stages of developing a classification system for agricultural grain products into healthy and mold-contaminated categories. In the first stage, methods for selecting subsets of color features of grain products are examined and tes...
65-69
548
18 Jun, 2025
TECHNICAL SCIENCES
This article addresses the issues of mathematical modeling of water flow velocity and pressure parameters. The theoretical basis relies on the Bernoulli and Navier – Stokes equations, while the dynamic and kinematic viscosity of water is analyzed. To determine...
48-53
297
29 Mar, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
Today, the problem of waste is one of the social, environmental, and energy problems not only in our country, but also in countries around the world. The article proposes a thermal scheme for a device designed for the thermal processing of municipal solid wast...
114-120
465
29 Mar, 2025
TECHNICAL SCIENCES
The structural features of polyolefins are analyzed and the mechanism of the physicochemical interaction of the components of composite polymeric materials filled with mineral, carbon - graphite and fibrous fillers is revealed. The macromolecule of polypropyle...
132-137
608
29 Mar, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
In this study, the potential for reducing the specific heat consumption of residential buildings in the Tashkent climate was examined by utilizing a solar parabolic concentrator in combination with a heated floor system. The developed mathematical model incorp...