CHEMICAL ACTIVATION AND MODIFICATION OF WOOD WASTEDERIVED CARBONIZATE WITH METAL SALTS
This study addresses the optimization and simplification of the production of high-performance activated carbons by integrating chemical activation and metal complexation into a single-step process utilizing char derived from the carbonization of local wood waste. Iron(III), copper(II), and...

Actual problems in modern technical sciences / 2026 / September

Ummatov Obidjon

Volume 10 | Issue 9

3 September 2026, 22:06

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DEVELOPMENT OF A THICKENING PROCESS FOR GOLD-BEARING FLOTATION CONCENTRATES WITH CLARIFIED LIQUID RECOVERY
This article examines the scientific and practical foundations for improving the thickening of gold-bearing flotation concentrates and developing a process for producing a highly clarified overflow. Efficient solid–liquid separation, increased slurry solids concentration, and the production of a...

Actual problems in modern technical sciences / 2026 / September

Omonov Ahmat Sherali ugli, Parmonov Sarvar Toshpulatovich, Ubaydullaev Mamasidik Makhammatsolievich

Volume 10 | Issue 9

3 September 2026, 22:05

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COMPARATIVE ANALYSIS OF HIGH-PURITY SELENIUM RECOVERY TECHNOLOGIES: EFFICIENCY AND ENVIRONMENTAL ASPECTS
Selenium is a technologically important element widely used in semiconductor devices, photoelectric systems, glass production, metallurgy, and catalyst applications. Because selenium is rarely obtained from primary mineral deposits, its industrial production is mainly associated with the processing...

Actual problems in modern technical sciences / 2026 / September

Odilov Akrom Olimjonivich, Parmonov Sarvar Toshpulatovich, Ubaydullaev Mamasidik Makhammatsolievich

Volume 10 | Issue 9

3 September 2026, 22:04

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A BIG-DATA-BASED THEORETICAL AND MATHEMATICAL MODEL FOR ASSESSING AND MANAGING GROUNDWATER MONITORING IN THE ZARAFSHAN RIVER VALLEY, SAMARKAND REGION
This study proposes a theoretical and mathematical model of a BigData-based information system for monitoring and managing groundwater across six hydrogeological deposits in the Zarafshan River valley, Samarkand Region, Uzbekistan. The conventional aggregated water-balance equation is first indexed...

Actual problems in modern technical sciences / 2026 / September

Djumanov Jamoljon Hudaykulovich, Abroqulova Nazira Ibodulla qizi, Bolbekov Ma’rufjon Abdumannon o‘g‘li, Mirzoqulov Hotam Baxtiyor o‘g‘li

Volume 10 | Issue 9

3 September 2026, 22:03

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RESEARCH ON OBTAINING CALCIUM CHLORATE THROUGH COMPLEX PROCESSING OF BY-PRODUCTS OF POTASSIUM SULPHATE PRODUCTION AT LLC "SOGDA KIMYO ZAVOD"
The article studies the possibilities of obtaining calcium hypochlorite and calcium chlorate with high added value by processing calcium chloride, a secondary product formed during the production of potassium sulfate at LLC "Sogda Kimyo Zavod". The conversion process used sodium...

Actual problems in modern technical sciences / 2026 / September

Ravshanova Mehriniso Maxmud qizi, Umirov Farhod Ergashovich, Nomozova Gulmira Raxmatullayevna, Nurullaeva Dilbar Ubaydullo qizi

Volume 10 | Issue 9

3 September 2026, 22:02

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INNOVATION ACTIVITY AND SCIENTIFIC CAPACITY IN ENTREPRENEURIAL ENTITIES
This article examines the development of innovation activity and the effective use of scientific capacity by entrepreneurial entities, with particular attention to small businesses and private enterprises. In the contemporary economy, business competitiveness depends not only on financial resources...

Actual problems in modern tourizm and economics / 2026 / September

Ruzmetov Davron Ibrogimovich

Volume 10 | Issue 9

3 September 2026, 22:01

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THEORETICAL FOUNDATIONS OF THE COMPARATIVE STUDY OF SCIENCE FICTION WORKS
This article analyzes the theoretical and methodological foundations of the comparative study of the science fiction genre. The research explores the role of science fiction as a global literary phenomenon and its formation across diverse literary traditions. The study utilizes...

Modern problems of Philology and Linguistics / 2026 / September

Obidjonova Masuma Qosimjon qizi

Volume 10 | Issue 9

3 September 2026, 22:00

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MODELS AND ALGORITHMS FOR INTELLECTUAL ANALYSIS OF IoT SENSOR DATA
This article comprehensively studies modern models and algorithms for intelligent analysis of data from IoT (Internet of Things) sensors. The research used data from various types of sensors in industrial, transport, smart home and bio-health monitoring systems. Large-volume, various-format and...

Actual problems in modern technical sciences / 2025 / September

Otabek Khudjayev, Zilola Ruzmetova

Volume 9 | Issue 9

3 September 2025, 21:50

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ANALYSIS OF THE COATINGS OF PEG DRUMS FOR CLEANING COTTON FROM FINE IMPURITIES
This article presents an analysis of picker drum covers for effectively cleaning cotton from fine impurities. In traditional cleaning drums, the uniform arrangement of the spikes consistently impacts the cotton and trash, leading to decreased cleaning efficiency and potential damage to the trash....

Actual problems in modern agriculture / 2025 / September

Rajabov Ibrat Yakhshimurodovich, Rajabova Munira Anvarovna, Mukhammadieva Khosiyat Safaralievna

Volume 9 | Issue 9

3 September 2025, 21:50

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THE MAIN MORPHOLOGICAL METHODS OF WORD FORMATION IN GERMAN (USING NATURAL PHENOMENA AS EXAMPLES)
This article examines the main morphological methods of word formation in the German language, with particular focus on lexical units denoting natural phenomena. The research highlights composition, derivation, conversion, and abbreviation as the most productive processes that contribute to the...

Modern problems of Philology and Linguistics / 2025 / September

Qodirova Shohsanam Babakhan Kizi

Volume 9 | Issue 9

3 September 2025, 21:50

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