69-75
192
07 Sep, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The work investigated the influence of ion implantation and subsequent annealing on the parameters of energy bands, emission properties, as well as on the depth (λ) of the escape of true secondary electrons. It has been shown that the depth of escape of truly ...
55-62
228
07 Sep, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
Hydrogen is of great interest as a carrier of clean energy in the global transition to renewable energy sources. Uzbekistan is distinguished by its high solar radiation; therefore, it offers a wide opportunity in the production of hydrogen from solar energy. I...
48-54
228
07 Sep, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
This article highlights the main theoretical and practical issues of calculating general erosion processes in cohesive soil channels. The dynamics of flow saturation with particles and its dependence on flow velocity, sediment concentration, and the physical p...
43-47
234
07 Sep, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The agrotechnical and energy performance of the ripper plough for non-tillage depends largely on the relative position of the roller and the last working body with an inclined rack. The purpose of the study is to substantiate the longitudinal distance between ...
36-42
234
07 Sep, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The basis of the system approach to safety management is the definition of the tasks of each element included in this system, the connections and interactions between them, as well as system analysis. The methods of system and system analysis, the Deming cycle...
28-35
224
07 Sep, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
This article considers the problems related to the operation of photovoltaic panels in hot and dry regions. Brief analysis of the work of previous studies in this area. The simplified calculation of the reduction of the operating parameters of the photovoltaic...
19-27
299
07 Sep, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The article examines key aspects of the development and design of outdoor swimming pools taking into account modern engineering solutions and environmental requirements. Particular attention is paid to the choice of location, construction materials, safety sys...
7-13
196
15 Aug, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The geological and physical conditions of the multi-layer gas condensate field Urga are presented. Using the material balance method, the drainable gas reserves were estimated. Low efficiency of field development was established based on a comparison of reserv...
79-83
182
30 Jun, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
This article analyzes the issue of enhancing energy efficiency in electric arc furnaces (EAF). The study focuses on the current state of controlling and regulating electrode movement, which directly affects electrical energy consumption during the electric ste...
70-78
199
30 Jun, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
This article presents a newly developed method for theoretically calculating the annual power output of a stationary 810 kW grid-connected photovoltaic power plant located in the Kashkadarya region, known for its hot and dry climate. The results derived from t...
65-69
289
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
203
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
157
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
164
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
248
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...
7-13
181
30 Jun, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The article describes the results of the study of neotectonic movements of the Surkhandarya depression. New (1: 200,000 scale) maps of the thickness of Neogene-Quaternary deposits, a schematic map of rupture faults active in modern times were compiled. Along w...
113-117
273
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
198
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
285
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...
106-112
245
18 Jun, 2025
TECHNICAL SCIENCES
Abstract. The article presents the content and features of the bubble method algorithm for ordering of elements of a one-dimensional array in ascending order, in which the process of elements ordering is performed by sequentially comparing every two adjacent a...