THE IMPACT OF CHANNEL GEOMETRY ON SELF-HEATING TEMPERATURE IN 10 nm GAAFET
This paper investigates the impact of channel geometry on the selfheating temperature of a 10 nm gate-length GaAs-based gate-all-around fieldeffect transistor (GAAFET). The study is conducted using numerical simulations in the Sentaurus TCAD environment. While maintaining a constant channel...

Actual problems in modern technical sciences / 2025 / December

Abdikarimov Xidoyat Egamberganovich, Abdikarimov Azamat Egamberganovich

Volume 9 | Issue 12

3 December 2025, 22:00

MECHANISMS FOR CONTROLLING THE I-V CHARACTERISTICS OF HETEROJUNCTION DIODES UNDER THE INFLUENCE OF A MAGNETIC FIELD
This article examines the mechanisms for controlling the currentvoltage characteristics of heterodiodes under the influence of a magnetic field. It is shown that the decrease or increase in the current carrier density depends on the Lorentz force. The height of the potential barrier changes under...

Actual problems in modern technical sciences / 2025 / December

Majidova Gulnoza Nurmukhamedovna

Volume 9 | Issue 12

3 December 2025, 22:00

FORMATION ENERGY AND PHASE STABILITY OF A SOLID SOLUTION OF MOLECULAR SUBSTITUTION BASED ON Si AND GaP
The integration of III–V semiconductors into silicon technology remains one of the key challenges for the development of efficient silicon-based optoelectronic devices. In this work, the thermodynamic stability and phase stability of a continuous solid solution (Si₂)₁₋ₓ(GaP)ₓ formed via molecular...

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

Amin Saidov, Shahzod Masharipov, Umida Asatova, Shukrullo Usmonov, Zuhra Raxmonova

Volume 9 | Issue 12

3 December 2025, 22:00

ANALYSIS OF VIBRATION FACTORS AFFECTING THE WORKING BODY OF TECHNOLOGICAL EQUIPMENT
The article examines the influences consider the effects of disruptive elements present during the cutting vibration of the machines’ executive bodies. The patterns of change in the motion trajectory of the billet’s rotating section’s instant center are examined. are shown in the drawing direction...

Actual problems in modern technical sciences / 2025 / December

Asatillaev Yuldashali Malikovich

Volume 9 | Issue 12

3 December 2025, 22:00

ANALYSIS OF THE INFLUENCE OF PARTICLE SIZE, THE AMOUNT OF WOLFRAMATE, HYDROCARBONATE, AND SODIUM HYDROXIDE IN THE SOLUTION, AS WELL AS THE DENSITY OF THE BODY DURING THE SELECTION OF WOLFRAM CAKES
This article provides an in-depth analysis of the factors affecting the selective dissolution of tungsten cakes in sodium carbonate solution - particle size, soda solution concentration, sodium tungstate and bicarbonate content, and bulk density. According to the experimental results, it was found...

Actual problems in modern technical sciences / 2025 / December

Khalikulov Utkir Mirzakamolovich, Parmonov Gayrat Makhmatkulovich

Volume 9 | Issue 12

3 December 2025, 22:00

ELECTROLYTIC PROCESSING OF WC–Co BASED HARD ALLOY WASTE
This study investigates the efficiency of electrochemical (electrolytic) processing for the selective recovery of tungsten and cobalt from WC–Co hardalloy scrap. A comprehensive literature review reveals that conventional pyrometallurgical routes suffer from high energy consumption, toxic gas...

Actual problems in modern technical sciences / 2025 / December

Hakimov Firuz Yo‘ldoshovich

Volume 9 | Issue 12

3 December 2025, 22:00

ANALYSIS OF STUDIES OF THE IMPACT OF THE MINING INDUSTRY ON THE ENVIRONMENT ABROAD
This article provides an analysis of research conducted abroad on the impact of the mining industry on the environment. Since the mining industry is an important link in the economy of each country and also has a great influence on changes in the state of the environment, it is necessary to study...

Actual problems of Natural Sciences / 2025 / December

Okhunjonova Dildora Komiljon Kizi

Volume 9 | Issue 12

3 December 2025, 22:00

SCREENING OF PANCREATIC LIPASE INHIBITORS OF ENDOPHYTIC FUNGI OF MEDICINAL PLANTS INUZBEKISTAN
According to the latest statistical reports from the World Health Organization (WHO), 13% of the world's population is obese. The most effective therapeutic approach for treating obesity is the inhibition of pancreatic lipase (PL). In the process of researching new PL inhibitors, we screened...

Actual problems of Natural Sciences / 2025 / December

Yoldosheva Maftuna Mengbutaevna

Volume 9 | Issue 12

3 December 2025, 22:00

DIGITAL CHANGES IN THE HANDICRAFT SECTOR AND THEIR IMPACT ON THE SERVICES MARKET
This article examines the ongoing digital transformation within Uzbekistan’s handicraft sector and its influence on the structure, accessibility, and commercialization of craft services. The study analyzes how the shift from traditional offline channels—local markets, fairs, and personal...

Actual problems in modern tourizm and economics / 2025 / December

Akramova Gulnora Abduvaxidovna

Volume 9 | Issue 12

3 December 2025, 22:00

IMPROVEMENT OF MANAGEMENT MECHANISMS FOR MARKETING OF EDUCATIONAL SERVICES IN NON-STATE HIGHER EDUCATIONAL INSTITUTIONS
The article studies the issues of improving the mechanisms for managing the marketing of educational services in non-state higher educational institutions. The study analyzes existing marketing mechanisms, assesses their effectiveness and identifies shortcomings. On this basis, mechanisms for...

Actual problems in modern tourizm and economics / 2025 / December

Yuldashov Isomiddin Sidikovich

Volume 9 | Issue 12

3 December 2025, 22:00