Actual problems of Mathematics, Physics and Mecanics
Actual problems in modern technical sciences
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Actual problems of Natural Sciences
GRAIN QUALITY INDICATORS OF WINTER SOFT WHEAT
In this article, the grain quality of 21 winter soft wheat varieties at the Khorezm Experimental Station of the Scientific Research Institute of Cereals and Legumes was studied in laboratory experiments. In the soil-climatic conditions of the Khorezm region, it is possible to obtain high-quality...
3 February 2025, 21:50
ANTIBACTERIAL ACTIVITY OF ALCOHOL EXTRACTS OF ALHAGI PSEUDALHAGI
Alhagi is a genus of Old-World plants in the family Fabaceae. They are commonly called camelthorns or manna trees. There are four accepted species, which range from northern Africa and Greece through western and central Asia to India and northern China. Extracts from the above-ground part of camel...
3 February 2025, 21:50
STUDY OF THE DEPENDENCE OF THE FORCED CARBONIZATION RATE OF A LIME SYSTEM ON CARBON DIOXIDE PRESSURE
This article investigates the dependence of the forced carbonation process of lime-based raw materials on the carbon dioxide pressure. Using a laboratory special apparatus, data are presented on the forced carbonation process for producing construction materials from samples with 15% moisture...
3 February 2025, 21:50
SYNTHESIS, STRUCTURE, AND PROPERTIES OF A COMPLEX COMPOUND BASED ON Mn(II) CHLORIDE AND POTASSIUM KETOPROFEN
In this work, a new complex compound was synthesized based on manganese (II) chloride and the potassium salt of ketoprofen. The initial reagents were taken in a molar ratio of 1:4 and the formation of the complex was studied. To determine the composition, structure, and properties of the obtained...
3 February 2025, 21:50
ANTHROPOGENIC FACTORS AFFECTING THE AIR POLLUTION OF TASHKENT CITY
This article examines the impact of the industry of Tashkent city and its composition and the production of industrial products on atmospheric air pollution, in which the data of the Agency of Hydrometeorological Service on the release of pollutants into the air and the statistics committee of...
3 January 2025, 21:50
NATURAL GEOGRAPHICAL DESCRIPTION OF THE AREA WHERE ALMALIK MINE METALLURGY COMBINATION IS LOCATED
This article is dedicated to the natural geographical description of the area where the Almalik mining and metallurgical combine is located, and it contains information about the natural geographical location, geological structure, relief and climate of the area where the combine’s branches are...
3 January 2025, 21:50
DEVELOPMENT OF THE REPUBLIC’S COTTON FABRIC INDUSTRY AND IMPROVEMENT OF THE STRUCTURE OF REGIONAL CLUSTERS
The article analyzes the development of the cotton industry of the republic in recent years, the composition of regional clusters and the geographical aspects of its improvement....
3 November 2024, 21:50
STUDY OF THE CATALYTIC PROPERTIES OF SYNTHESIZED HYDROTREATING CATALYST CARRIERS
The article examines the study of the catalytic properties of synthesized hydrotreating catalysts based on carbonate-palygorskite clay. The tests of the synthesized catalysts show that the new catalyst carrier modified with carbonatepalygorskite clay for hydrotreating diesel distillate is not...
3 October 2024, 21:50
TYPES OF ANTHROPOGENIC EFFECTS AND THEIR DESCRIPTION IN UZUN DISTRICT
This article talks about the structure of geosystems, the formation of the geoecological situation, the types of anthropogenic influence affecting the geoecological situation, and the consideration of the laws of nature during the use of natural resources....
3 August 2024, 21:50
TEMPLATE SYNTHESIS OF NANOCOMPOSITE FILMS BASED ON METAL OXIDES FOR SEMICONDUCTOR SENSORS
The composition, optimal proportions and technology for the preparation of thin gaseous nanocomposite films were developed, which emit components with selective detection of natural gas in a wide range of concentrations with the participation of a template and a template based on tetroethoxysilane...
3 August 2024, 21:50