CLIMATE DYNAMICS OF THE MIRZACHUL REGION: A KÖPPEN–GEIGER CLASSIFICATION ANALYSIS (1901–1930 VS. 2070–2090)
The Mirzachul region in central Uzbekistan, historically known as the “Hungry Steppe,” represents one of the largest irrigated agricultural landscapes in Central Asia and is highly sensitive to climate change. This study applies the Köppen–Geiger classification to compare the historical climate...

Actual problems of Natural Sciences / 2025 / September

Shaxzoda Muxtorova

Volume 9 | Issue 9

3 September 2025, 21:50

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MATERIALS ON THE FAUNA OF SHIELD BUGS (PENTATOMIDAE) OF CENTRAL–EASTERN RESERVES OF THE REPUBLIC OF UZBEKISTAN
This article presents information on Pentatomidae species found in the reserves of Central-Eastern Uzbekistan in the first decade of June 2025....

Actual problems of Natural Sciences / 2025 / September

Iskandarov Abdulla, Kholmatov Bakhtiyor, Abdullaeva Makhbuba, Ollaberganova Mavluda

Volume 9 | Issue 9

3 September 2025, 21:50

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STRUCTURE AND CHEMICAL PROPERTIES OF PETROLEUM POLYMER RESINS DERIVED FROM SECONDARY PRODUCTS OF THE PYROLYSIS PROCESS
In this study, petroleum polymer resins (TAR) were obtained from the secondary products of the pyrolysis process using a partially oxidative pyrolysis method. The chemical composition and structural properties of the resins were thoroughly investigated. The pyrolysis was conducted at temperatures...

Actual problems of Natural Sciences / 2025 / September

Ziyadullayev Anvar Egamberdiyevich, Nuriddinov Jonibek Fozil Ugli, Nurmanov Suvonqul Erxonovich

Volume 9 | Issue 9

3 September 2025, 21:50

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NUMERICAL CALCULATION OF OPTIMAL DURATION AND TEMPERATURE OF DIFFUSION OF IMPURITY ATOMS OF SULFUR AND MANGANESE
The paper presents a numerical method of the diffusion process whereas duration and temperature conditions of the diffusion could be set finetuned in advance. Impurity atoms of sulfur and the transition element manganese in single-crystal silicon were selected as objects of study. Sulfur and...

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

Utamuradova Sharifa Bekmuradovna, Mavlyanov Abdulaziz Shavkatovich, Uteniyazova Aysara Begmuratovna, Matchonov Khusniddin Jamoladdinovich

Volume 9 | Issue 8

3 August 2025, 21:50

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STUDY OF THE PROCESSES OF TEMPERATURE MIGRATION OF IRON EXOATOM ON THE SURFACE OF FULLERENE C60 BY MOLECULAR DYNAMICS METHODS
The paper studies the dynamic process of migration of iron exoatom on the surface of free fullerene C60 using molecular dynamics methods (LAMMPS). It is found that pronounced migration of iron exoatom occurs at temperatures above 1000K. At a temperature of 1100K, jumps of the exoatom are mainly...

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

Alyabev Danila, Yadgarov Ishmumin, Zoirov Navruz

Volume 9 | Issue 8

3 August 2025, 21:50

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THE IMPORTANCE OF PHYSICAL MODELS IN SIMULATING DEGRADATION EFFECTS IN GaN NANOWIRE FETS
This article explores the critical role of physical models in simulating degradation effects in GaN nanowire field-effect transistors (NW-FETs). With the rapid advancement of nanoscale device technology, accurate prediction of electrical and radio-frequency (RF) characteristics under stress...

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

Abdikarimov Azamat Egamberganovich, Aminov Doniyorbek Rashidovich

Volume 9 | Issue 8

3 August 2025, 21:50

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HISTORY OF RISHTON POTTERY SCHOOL
This article provides information about the history of the Rishton pottery school, one of the Central Asian pottery schools, the craftsman who worked there, and the ceramic products produced in the region today. It also discusses the reasons for the development of Rishton pottery today....

Actual problems of history, philosophy and sociology / 2025 / August

Yuldasheva Muslima Ma’murovna

Volume 9 | Issue 8

3 August 2025, 21:50

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CENTRAL ASIAN CERAMIC CRAFTSMANSHIP TREASURES AND THEIR SIGNIFICANCE
This article provides information about the treatises, which are considered the main source of Central Asian crafts, in particular the treatise on pottery, its content, essence, and the attitude of craftsmen to the treatises in different periods. It also discusses the Rishton pottery in the Fergana...

Actual problems of history, philosophy and sociology / 2025 / August

Yuldasheva Muslima Ma’murovna

Volume 9 | Issue 8

3 August 2025, 21:50

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GENDER-SPECIFIC APPROACHES IN THE MEDIA
This article analyzes the characteristics of the communicative and information space being formed in modern society, the role of the media (mass media), and their role in the formation and transformation of gender stereotypes. From the perspective of media linguistics, scientific interpretations of...

Modern problems of Philology and Linguistics / 2025 / August

Aliyeva Gyulshan Hamzayevna

Volume 9 | Issue 8

3 August 2025, 21:50

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LINGUOCULTURAL FEATURES OF LEXICAL UNITS IN KHOREZM FOLK TALES
This article explores the linguistic and cultural characteristics of lexical units found in Khorezm folk tales, particularly those featuring the character “Apandi.” The analysis focuses on dialectal expressions specific to the Khorezm region, examining them through phonetic, morphological,...

Modern problems of Philology and Linguistics / 2025 / August

Sultanova Jayrona Doniyor Kizi

Volume 9 | Issue 8

3 August 2025, 21:50

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