118-127
328
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
. Currently, one of the problems facing the Uzbekistan Railways JSC is that trains being accepted into the station from the lack of empty station tracks are waiting in front of the entrance traffic lights or at neighboring stations. As a result, the number of ...
110-117
302
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
Currently, in world practice, scientific research and design work is being carried out on the development and creation of passive solar heating systems. If the heat storage wall of a passive solar heating system consists of a perforated heat storage wall, then...
103-109
355
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
Despite the presence of large rivers such as Amudarya and Syrdarya, water distribution problems in Uzbekistan are aggravated by the large demand for water from agriculture and the drying up of the Aral Sea. The shift to growing water-intensive crops further de...
96-102
387
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The article provides information on a method for determining friction forces in disc tensioners of a sewing machine. This article presents calculation schemes for the implementation of plate and spring structures, graphs of the dependence of the friction force...
89-95
347
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
Under conditions of steady motion, the resulting pressure losses due to friction along the length cause a number of characteristic features of the movement of a real gas compared to the movement of incompressible liquids through pipes. At the same time, the ph...
75-81
422
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
Today, there are several types of photovoltaic cells on the commercial market, and their efficiency in natural conditions varies depending on climatic factors. Taking into account that the weather conditions of different regions are different, there is a probl...
30-37
314
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
Improving the technology for extracting platinum group metals from technogenic waste of the metallurgical industry, including conducting a number of studies in the following priority areas: creating a methodological basis for improving the technology for extra...
23-29
383
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
This article presents a detailed analysis of the potential for integrating digital innovations to improve oil extraction rates from reservoirs. The process of increasing oil recovery from reservoirs, or EOR, is defined as strategic intervention in a reservoir ...
15-22
335
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The causes of spoilage and deterioration of minerals extracted from the Tepaquton mining complex are systematically analyzed and the main causes of spoilage and deterioration are identified. In addition, reasonable proposals for reducing degradation and failur...
7-14
347
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
Problems with fluid accumulation at the bottom arise during the operation of gas and gas condensate wells. Since the number of fields that have passed the final stage of development is constantly growing, the problem of removing well fluid is becoming increasi...
42-49
362
16 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The global transition to renewable energy sources has led to a dramatic increase in research and development in solar energy technologies. Among them, flat solar water heating collectors are attracting a lot of attention due to their potential to improve energ...
7-16
340
16 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
Today, due to the increase of hard-to-extract natural gas reserves in the world, as a result of the liquefaction of productive layers, the cases of the decrease in the flow rate of wells are increasing year by year. When using gas and gas condensate wells, liq...
45-52
312
14 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
Using a solar simulator, a photoelectric-thermal system integrated into an open-loop air building with a working fluid was experimentally investigated. Options for building-integrated photovoltaic/thermal systems and systems using polycrystalline silicon photo...
107-112
314
14 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The use of solar photovoltaic devices is becoming increasingly important in stabilizing energy security and solving environmental problems. Particular attention is paid to the scientific substantiation of factors affecting the efficiency of solar photovoltaic ...
7-16
287
14 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
128-135
304
07 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The problem of increasing its economic efficiency based on the establishment of a fruit and vegetable cluster cooperation system in current agricultural practice is the economic efficiency of fruit and vegetable cooperation, taking into account their wide use ...
69-76
289
07 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The main task of the design of earthen channels is to calculate the dimensions of the stable channel shape in which irreversible deformation of the channel cross-section does not occur. This article provides information on calculating the hydraulic parameters ...
29-36
282
07 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
. In the world, there are strong trends in the use of renewable energy sources (RES) in the creation of energy-efficient systems of management of heat and fuel-energy resources.In this article, by utilizing the heat of secondary energy sources (wastewater) of ...
113-119
263
05 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The fact that the world's energy resources are declining and their prices are regularly rising shows the importance of using energy efficient technologies for their rational use in the future. The authors analyzed the results of scientific research on the effi...
91-101
307
03 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
In modern conditions of intensive increasing the electricity consumption in all spheresof human activity, limited hydrocarbon fuel reserves, as well as the severity of environmentalproblems in the energy sector require the development and implementation of mor...