Actual problems of Mathematics, Physics and Mecanics
Actual problems in modern technical sciences
Actual problems of Natural Sciences
Actual problems of history, philosophy and sociology
Actual problems in modern tourizm and economics
Modern problems of Philology and Linguistics
Actual problems in modern pedogogy and pshychology
Actual problems in modern agriculture
Actual problems in modern art and architecture
July
THE IMPACT OF ATTAGENUS SMIRNOVI ON CULTURAL AND DOMESTIC ASSETS: CHALLENGES AND SOLUTIONS
The study examines the destructive effects of Attagenus smirnovi (the brown carpet beetle) on both cultural heritage sites and household assets. Special attention is given to historical monuments and museum collections, where the beetle causes significant damage to organic materials such as wool,...
3 July 2025, 21:50
SYNTHESIS AND STUDY OF THE COORDINATION COMPOUND OF ZINC NITRATE WITH KETOROLAC
This article presents the synthesis and physicochemical characterization of a novel coordination compound formed from zinc nitrate and ketorolac. The compound [Zn(ket)2](NO3)2·2H2O was synthesized in a water–ethanol mixture under pH conditions of 5.5–6 and precipitated as white crystals....
3 July 2025, 21:50
SYNTHESIS AND ANALYSIS RESULTS OF THE 1,10-PHENANTHROLINETRIS(2-AMINO-5-ETHYLTHIO-1,3,4-THIADIAZOLE) COPPER(II) PERCHLORATE COMPLEX COMPOUND OBTAINED USING 2-AMINO-5-ETHYLTHIO-1,3,4-THIADIAZOLE AND 1,10-PHENANTHROLINE LIGANDS
This article presents the synthesis method and structural study of a new 1,10-phenanthroline-tris(2-amino-5-ethylthio-1,3,4- thiadiazole)copper(II)perchlorate complex formed with copper perchlorate and the ligands 2-amino-5-ethylthio-1,3,4-thiadiazole and 1,10-phenanthroline. The structure of the...
3 July 2025, 21:50
ANNEALING-INDUCED PHASE EVOLUTION AND MORPHOLOGICAL CONTROL IN RF-SPUTTERED VO2 THIN FILMS
This study investigates the influence of annealing temperature (200–500 °C) and atmosphere (air vs. oxygen) on the properties of VO2 thin films deposited by RF magnetron sputtering. XRD analysis revealed a mixed-phase composition (VO2/V2O5), with oxygen annealing promoting preferential VO2growth at...
3 July 2025, 21:50
STATISTICAL WORD IMPORTANCE MODELING FOR UZBEK TEXT SUMMARIZATION: A TF-IDF-BASED APPROACH WITH IMPROVED SENTENCE SELECTION
Summarization is a central activity in the field of Natural Language Processing that makes it possible to extract essential information from a massive amount of text with minimal preservation of key meaning. But in the case of the Uzbek language, summarization is a weak field because it is an...
3 July 2025, 21:50
DESIGN AND IMPLEMENTATION OF A MODEL AND ALGORITHM FOR PART-OF-SPEECH TAGGING IN UZBEK TEXTS USING THE CONDITIONAL RANDOM FIELDS (CRFs) APPROACH
This paper presents a part-of-speech tagging system for the Uzbek language based on the Conditional Random Fields (CRF) approach. Using a manually annotated corpus and a set of language-specific morphological and contextual features, the model was trained and evaluated through 5-fold...
3 July 2025, 21:50
SYNTHESIS AND SURFACE MORPHOLOGY STUDY OF VANADIUM OXIDE THIN FILMS
Vanadium oxide (VOx) thin films were synthesized using DC magnetron sputtering with a vanadium target prepared by spark plasma sintering (SPS) at 900 °C under Ar+H2 atmosphere. Amorphous VOx films were deposited on glass substrates and annealed in air and oxygen atmospheres at 200–500 °C to study...
3 July 2025, 21:50