67-72
227
03 Aug, 2026
TECHNICAL SCIENCES
Abstract. An analysis was conducted on the global increase in demand for electrical energy and the prospects for electricity generation, particularly in the field of hydropower. The use of micro-hydropower plants (micro-HPPs) and the factors affecting the effi...
142-148
179
25 Jul, 2026
AGRICULTURAL SCIENCES
This article investigates the impact of various planting systems and densities on the leaf formation dynamics of sweet potato grown in open fields and under film mulch in Uzbekistan. The research results indicate that the film mulch cultivation system accelera...
127-136
193
25 Jul, 2026
TECHNICAL SCIENCES
Reliable prediction of channel bed deformation is essential for the hydraulic design, rehabilitation, and operation of irrigation canals with weakly cohesive beds. However, the presence of both suspended sediment and a small proportion of cohesive material com...
119-126
173
25 Jul, 2026
TECHNICAL SCIENCES
This study presents a comprehensive three-dimensional coupled numerical model for a solar-driven desalination device incorporating a capillary-structured porous membrane (CPM). The governing equations - encompassing conjugate heat transfer, capillary-driven ma...
83-88
221
25 Jul, 2026
TECHNICAL SCIENCES
In tasks of identifying relationships between technological parameters of automated control objects, the capabilities of neural networks are used. One of the important problems considered in such identification tasks is the choice of the neural network archite...
71-76
189
25 Jul, 2026
TECHNICAL SCIENCES
This paper presents the theoretical framework and practical computational methods for estimating bed-load and suspended-load sediment transport rates in a trapezoidal open channel with asymmetric side slopes (m 1 ≠ m 2 ) on non-cohesive granular beds. Four cla...
65-70
186
25 Jul, 2026
TECHNICAL SCIENCES
This paper presents an improved numerical method for calculating water hammer in pressurized pipelines under conditions of flow discontinuity and volumetric cavitation. The physical nature of the water hammer phenomenon is analyzed, and the main factors affect...
24-30
227
25 Jul, 2026
TECHNICAL SCIENCES
Abstract. Cotton processing waste (husks and stalks) in Uzbekistan represents a significant renewable raw material for lignin production, the basis of thermo- and salt-resistant drilling fluid reagents. The choice of lignin extraction method affects its purity...
49-57
201
25 Jul, 2026
TECHNICAL SCIENCES
This article mathematically models the stationary and unsteady behavior of fluid flow in channels with variable cross-sections. The study considers the problem of determining unsteady flow parameters based on the method of small disturbances, Gurevich – Haskin...
16-22
391
09 Jun, 2026
GEOLOGICAL AND MINERALOGICAL SCIENCES
The paper presents the results of studying the fracturing and reservoir properties of rocks based on well logging data. Standard well logging methods (WLM – acoustic, neutron - gamma, gamma - gamma density, electrical and induction logging) were used to determ...
146-150
1341
30 Mar, 2026
AGRICULTURAL SCIENCES
This article presents the results of field experiments conducted during 2024 – 2025 to evaluate the effects of irrigation methods and mineral fertilization rates on the growth, development, and yield of winter wheat. The study compared sprinkler irrigation and...
140-145
1286
30 Mar, 2026
TECHNICAL SCIENCES
This article analyzes the theoretical foundations, technological approaches, and practical effectiveness of using energy-efficient materials in construction processes. Enhancing energy efficiency, minimizing heat loss, lowering the operational costs of buildin...
133-139
1017
30 Mar, 2026
TECHNICAL SCIENCES
The article analyzes issues related to improving the operational reliability of centrifugal pumps widely used in the mining industry. It has been established that the primary causes of failures in pumping equipment operating in hydrotransport systems are hydro...
125-132
1141
30 Mar, 2026
TECHNICAL SCIENCES
The article presents ideas on installing bushings made of rubber with elastic elements in the bearing housings of the roller mechanism of the belt conveyor, which provide a smooth rotational movement. In addition, methods for developing and calculating a resou...
108-115
926
30 Mar, 2026
TECHNICAL SCIENCES
This paper explores methods for analyzing automatic control systems (ACS) and optimizing controller parameters using the Python programming language. A third-order dynamic model of a heat exchanger is adopted as the research object. The study presents algorith...
78-86
1020
30 Mar, 2026
TECHNICAL SCIENCES
This paper presents the development of an automatic fruit sorting system based on color characteristics using an Arduino microcontroller and a TCS230 color sensor. The proposed system is designed to detect external color features of fruits in real time, proces...
72-77
818
30 Mar, 2026
TECHNICAL SCIENCES
In this study, the physico-mechanical and thermal properties of polyethylene modified with zinc terephthalate were studied. The use of modifiers in the production of polymer composite materials allows for a significant improvement in the operational properties...
65-71
581
30 Mar, 2026
TECHNICAL SCIENCES
An accident (a breach) in a dam or reservoir dyke causes a large mass of water to be compressed and displaced through the breach, dramatically increasing the flow velocity and its dynamic impact on the dam bottom and reservoir basin. This results in the breach...
57-64
894
30 Mar, 2026
TECHNICAL SCIENCES
This article examines the problem of determining hydraulically stable cross-sections for open channels. The potential of using the shear stress method to ensure the scour resistance of the channel bed and banks is analyzed. The shear stress method is based on ...
47-56
740
30 Mar, 2026
TECHNICAL SCIENCES
The article is devoted to the analytical calculation of the main parameters and dimensions of a pneumatic-hydraulic damper of hydraulic shock with pressure reduction, installed at the beginning of a pressure pipeline to reduce the emergency consequences of the...