ON THE NEGATIVE ORDER MATRIX MODIFIED KORTEWEG-DE VRIES EQUATION WITH A SOURCE
In this paper, we integrate the negative order matrix modified Korteweg-de Vries (KdV) equation with a self-consistent source in the class of rapidly decreasing functions. We derive the temporal dependence of the scattering data of the Dirac operator....

Actual problems of Mathematics, Physics and Mecanics / 2025 / June

Atanazarova Shoira Erkinovna

Volume 9 | Issue 6

3 June 2025, 21:50

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THE STRUCTURE OF THE INDUSTRIAL SECTOR OF THE LOWER AMU DARYA, THE STATE OF USE OF EXISTING OPPORTUNITIES
The article describes natural and economic resources, as well as the industrial structure of the Lower Amu Darya River economic region, which provide opportunities for the development of industrial production....

Actual problems in modern tourizm and economics / 2025 / June

Komilova Fotima Mahmudovna, Ruzmetov Dilshod Ruzimboyevich

Volume 9 | Issue 6

3 June 2025, 21:50

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THE IMPORTANCE OF DISCURSIVE COMPETENCE IN TEACHING ENGLISH TO NON-PHILOLOGICAL STUDENTS, PARTICULARLY THOSE IN THE FIELD OF PHYSICAL EDUCATION
This article explores the essence and significance of discursive competence from a scientific and methodological perspective, with particular emphasis on non-philological students, especially those studying physical education. By developing discursive competence, students acquire the ability to...

Modern problems of Philology and Linguistics / 2025 / June

Muazzamkhon Adakhamova

Volume 9 | Issue 6

3 June 2025, 21:50

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INCREASING THE EFFICIENCY OF SOLAR PANELS USING A MICROCONTROLLER
This article discusses how to increase the efficiency of solar panels using microcontrollers. During the research, an innovative method of using sensors, microcontrollers and automatic control systems was proposed to increase the efficiency of solar panels....

Actual problems in modern technical sciences / 2025 / June

Sadulla Abdullayev

Volume 9 | Issue 6

3 June 2025, 21:50

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SUMMARIZATION AND KEYWORD EXTRACTION OF UZBEK TEXTS USING STATISTICAL AND NEURAL METHODS
This paper investigates statistical and neural approaches for automatic text summarization and keyword extraction in the Uzbek language. Traditional techniques like TF-IDF and Non-negative Matrix Factorization (NMF) are applied for identifying key terms and latent topics. Additionally, deep...

Actual problems in modern technical sciences / 2025 / June

Aripov Mersaid Mirsidikovich, Bekchanov Shukurla Kurbanbayevich

Volume 9 | Issue 6

3 June 2025, 21:50

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CAPACITIVE SENSOR SYSTEM FOR MEASURING MOISTURE CONTENT IN TRANSFORMER OIL
The efficiency and long-term stability of electrical transformers are directly related to the quality of their oil. Transformer oil possesses insulating and cooling properties, and its contamination with moisture reduces dielectric strength and increases the risk of short circuits. Therefore,...

Actual problems in modern technical sciences / 2025 / June

Sadulla Abdullayev

Volume 9 | Issue 6

3 June 2025, 21:50

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CHEMICAL ENRICHMENT OF TUNGSTEN CAKES OF WASTE STORAGE AREAS JSC UZBEKISTAN TECHNOLOGICAL METALS COMBINE
In the process of chemical processing, technologies for dissolving tungsten cake with the participation of nitric acid are being considered. This process is implemented from the point of view of introducing the most correct and environmentally friendly solutions, as well as waste-free production...

Actual problems in modern technical sciences / 2025 / June

Parmonov Sarvar, Parmonov G‘ayrat

Volume 9 | Issue 6

3 June 2025, 21:50

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THE SIGNIFICANCE OF ARCHITECTURAL MONUMENTS IN THE TASHKENT REGION
In the work, the cultural and historical recreational and tourist resources of the Tashkent region were first classified, then their distribution and location in river basins and their terraces were studied. Differences in the distribution of cultural and historical recreational and tourist...

Actual problems of Natural Sciences / 2025 / June

Azimova Dilshoda Azimovna

Volume 9 | Issue 6

3 June 2025, 21:50

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IMMOBILIZATION MECHANISM AND SPECTROSCOPIC ANALYSIS OF THE ORGANIC REAGENT ERIOCHROME BLACK T ON A FIBROIN SUPPORT
This article analyzes the optimal conditions for the immobilization of Eriochrome Black T salt onto fibroin fiber derived from local silk waste, its chemical bonding mechanism, and its characterization through IR analysis, diffuse reflectance spectroscopy, and absorption properties. It was...

Actual problems of Natural Sciences / 2025 / June

Samandarova Saribibi Farxodovna, Boltayeva Muhabbat Matnazarovna, Ashirov Mansur Allanazarovich, Smanova Zulayho Asanaliyevna

Volume 9 | Issue 6

3 June 2025, 21:50

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THE EFFECT OF VARIOUS FACTORS ON THE REACTION YIELD OF BENZOYL CHLORIDE WITH SOME 5-SUBSTITUTED AMINO-1,3,4-THIODIAZOLINE-2-THIONES
The reaction of 5-substituted amino-1,3,4-thiodiazoline-2-thiones with benzoyl chloride was studied. The effects of factors such as solvent type, base type, temperature, and time on the reaction conditions have been analysed. According to the experimental results, reactions in the presence of...

Actual problems of Natural Sciences / 2025 / June

Razzokberdiev Nurbek, Ataniyazov Otaniyoz Nurullaevich, Polvonov Khudaybergan Quzievich

Volume 9 | Issue 6

3 June 2025, 21:50

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