- THE IMPACT OF PUBLIC–PRIVATE PARTNERSHIP (PPP) MECHANISMS ON ENTERPRISE COMPETITIVENESS IN THE IMPLEMENTATION OF GREEN TECHNOLOGIES
ERGASHEV, AXMADJON · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This article examines the enhancement of enterprise competitiveness through the implementation of green technologies, with a specific focus on Public–Private Partnership (PPP) mechanisms. The study was conducted between…
- THEORETICAL STUDY OF BENDING VIBRATIONS OF PACKET-TYPE WORKING BODIES OF TECHNOLOGICAL MACHINES WITH ACCOUNT OF INTERNAL LONGITUDINAL FORCES
ABDUVAKHIDOV, MUTAKHKHIRKHON, Mirjalolzoda, Bobirmirzo, Umarov, Akmal · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This paper presents a theoretical investigation of the dynamics of packet-type working bodies of technological machines under bending vibrations. Structural configurations with relatively short packets of disk elements…
- BENDING VIBRATIONS OF FLEXIBLE PACKET-TYPE WORKING BODIES OF TECHNOLOGICAL MACHINES
ABDUVAKHIDOV, MUTAKHKHIRKHON, Mirjalolzoda, Bobirmirzo, Umarov, Akmal · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This paper examines the patterns governing the initiation and development of bending vibrations in flexible packet-type working bodies of technological machines. The principal types of transverse forces forming the…
- ASSESSMENT OF THE CHEMICAL AND MINERALOGICAL PROPERTIES OF ROCKS FROM THE MOUNTAINOUS AREAS OF CHORTOQ DISTRICT, NAMANGAN REGION, BASED ON XRF AND FTIR METHODS
Mamaxonov, A’zam, Sultanov, Davronbek · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This article investigates the chemical and mineralogical composition of rocks from the mountainous areas of Chortoq District, Namangan Region, using modern instrumental analytical methods, namely energy-dispersive X-ray…
- EXPERIMENTAL CONSTRUCTION DEVELOPMENT OF THE DEVICE FOR CLEANING COTTON FROM SMALL IMPURITIES
Obidov, Avazbek, Khudayberdiyeva, Dilnoza, Mirzaakhmedova, Dilnoza · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
In the article, the working scheme and experimental design of the device for cleaning cotton from small impurities have been developed. In this study, the improved device was tested for its efficiency and energy…
- CRYSTALLINE STRUCTURE AND SPECTROSCOPIC ANALYSIS OF LIA ZEOLITE
Abdulxayev, Tolibjon, Oydinov, Mukhlis, Khamidov, Rakhmatullo · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
In this study, Na-A type zeolite with high crystallinity was synthesized hydrothermally from NaAlO₂ and Na₂SiO₃ precursors. The obtained Na-A zeolite was converted into Li-A zeolite through stepwise ion exchange using…
- DEVELOPMENT OF AN EFFECTIVE ANTI-CORROSION POLYMER COMPOSITION FOR OIL AND GAS TRUNK PIPELINES ON A RESOURCE-SAVING BASIS
Urinov, Abrorbek, Aslonov , Aizxon · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
Currently, the high cost of metal, as well as the harsh and often extreme operating conditions faced by oil and gas equipment in a sharply continental climate, significantly exacerbate the challenge of improving its…
- PRODUCTION OF MAGNESIUM CHLORIDE FROM MAGNESIUM-CONTAINING BRINES BY THE ISOTHERMAL METHOD AT 25 °C BASED ON THE SYSTEM 2Na⁺, Mg²⁺ ‖ SO₄²⁻, 2Cl⁻ – H₂O
Baxshilloyev, Nozim, Umirov, Farxod, Erkaev, Aktam, Kucharov, Baxrom, Maxmudov, Rafik · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This study investigates the production of magnesium chloride from magnesium-containing brines by the isothermal method at 25 °C within the quaternary system 2Na⁺, Mg²⁺ // SO₄²⁻, 2Cl⁻ – H₂O. Natural brines of the Alat…
- OPTIMIZATION OF ACID DECOMPOSITION OF WASHED CALCINED PHOSPHOCONCENTRATE USING A MIXED SECONDARY SULFURIC–EXTRACTION PHOSPHORIC ACID SYSTEM: CHEMICAL AND FTIR INVESTIGATION
Shermatov, Akramjon, Sherkuziyev, Doniyor · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This work examines the acid decomposition of washed calcined phosphoconcentrate using a mixed secondary sulfuric and extraction phosphoric acid feed (H₂SO₄:H₃PO₄ = 1:0.75) across a dosage range of 50–110 units. Products…
- OPTIMAL AMOUNTS AND CONCENTRATIONS OF CALCIUM NITRATE SOLUTION IN THE PRODUCTION OF PHOSPHATE FERTILIZERS
Giyasidinov, Abduaziz, Sultonov, Bokhodir, Dedaboyeva, Mahliyo, Aliyev, Otabek · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
The effect of the quantity and concentration of calcium nitrate solutions on the qualitative parameters of fertilizer precipitates obtained on the basis of mineralized mass (MM) was studied. For laboratory…
- BONDING OF POROUS STRUCTURE AND SOIL MOISTURE RETENTION IN MODIFICATION SURFACTANTS AND POLYMERS
Shamuratova, Moxinabonu · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
In this paper, the relationship between the parameters of the porous structure and the moisture retention capacity of soils modified with a surfactant (sulfonyl) and polymer additive C9 was investigated. Water vapour…
- EXTRACTION OF THE NICKEL MICROELEMENT FROM INDUSTRIAL SECONDARY PRODUCTS USING SULFURIC ACID
Hakimova, Khurshida, Makhkamova, Dilnoza, Turayev, Zokirjon · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
In this study, waste of hydrogenation catalysts of the “Pricat 9920” grade, used in the conversion of liquid vegetable oils into semi-solid products at IDEAL OIL JSC located in the Namangan region of the Republic of…
- ADSORPTION PROPERTIES OF MODIFIED ADSORBENTS FOR DYES
Nazokat, G'aniyeva, Ochilov, Golibjon, Boymatov, Ismoiljon · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This study investigates the adsorption properties of modified adsorbents based on bentonite and gossypol resin for the removal of methylene blue (MB) from wastewater. The effects of temperature and concentration on the…
- HYDROTHERMAL SYNTHESIS OF KA (LTA-TYPE) ZEOLITE FROM ANGREN KAOLIN: STRUCTURAL, MORPHOLOGICAL, AND ADSORPTION CHARACTERIZATION
Mukhammadjonov, Mirjalol, Rakhmatkarieva, Firuza, Oydinov, Mukhlis · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This study explores Angren kaolin as a low-cost local raw material for the synthesis of KA zeolite (LTA-type). A multi-step activation process using oxalic acid was applied to remove impurities and enhance reactivity…
- THE IMPORTANCE OF USING REVERSE OSMOSIS IN TOMATO PASTE PRODUCTION
Ikromova, Yulduzxon, Ikromov, Farruxbek, Xamdamov, Anvar · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This article compares the efficiency of the traditional thermal evaporation method and the modern reverse osmosis (RO) process in the production of tomato paste. The study examines the advantages of reverse osmosis…
- COMPREHENSIVE ASSESSMENT OF QUALITY AND SAFETY INDICATORS OF MINCED MEAT SEMI-FINISHED PRODUCTS
Abdullayeva, Bufotima · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This article studies the issues of determining the quality and safety indicators of semi-finished products based on minced meat. During the study, the composition and quality parameters of the products were evaluated…
- INVESTIGATION OF ADDITIVES IN THE COMPOSITION OF MEAT CANNED PRODUCTS BASED ON TARAXACUM OFFICINALE WIGG. PLANT
Atamirzayev, Sayyora · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
In this study, the incorporation of dried leaf, root, or aqueous extract of Taraxacum officinale Wigg. into meat pâté was investigated to enhance the functional properties of the product. Taraxacum officinale Wigg. is…
- ROTATIONAL AUTO-OSCILLATIONS OF RIBBED CYLINDERS IN A PNEUMATIC PRESSURE SUPPLY SYSTEM
Komilov, Muhammadqodir, Parpiyeva, Nilufar, Kayumov, Juramirza, Parpiyev, Doniyor, Tukhtasinov, Davronbek · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
In modern textile production, improving yarn quality while increasing spinning machine speed remains challenging. The drafting system, particularly the fluted cylinders, largely determines yarn quality. Vibrations and…
- DETERMINATION OF OPTIMAL PARAMETERS OF AN ADVANCED DEVICE FOR CLEANING COTTON FROM LARGE IMPURITIES BASED ON A MATHEMATICAL MODEL
Kozokov, Saidmukhtar · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This paper presents the determination of optimal operating parameters of a cotton cleaning machine designed for the removal of large impurities, based on a mathematical modeling approach. The study focuses on modifying…
- PRACTICAL STUDY OF DETERMINING VIBRATIONS OF 5LP MACHINE IN EXPERIMENTAL RESEARCH
Mirzaumidov, Asilbek, Xabibullayev, Davronbek · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This article considers the issues of experimental research of the oscilloscope and strain gauge (strain-resistor measuring system) correction of vibrations during the operation of the 5LP linter machine. The efficient…
- 0000-0001-5491-2417 LAWS OF MICELLE FORMATION IN AQUEOUS SOLUTIONS OF AZOMETHINES BASED ON MONOETHANOLAMINE AND ACETALDEHYDE
janayev, mirodil · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This paper investigates the micellization behavior of azomethine compounds synthesized from monoethanolamine (MEA) and acetaldehyde (AA) in aqueous solutions at different molar ratios (1:0.5, 1:1, 1:2, 1:4). The…
- MILK-BASED REFRESHING BEVERAGES: CLASSIFICATION, NUTRITIONAL BENEFITS AND COMPARATIVE ADVANTAGES OVER OTHER BEVERAGE TYPES
Yakubjanova, Yakutkhan · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
Milk-based refreshing beverages represent an important category of functional food products due to their high nutritional value, natural composition, and beneficial physiological effects. This paper provides a…
- INTEGRATED MULTI-TRACK LASER SURFACE HARDENING OF GEARS AND ROTATING COMPONENTS: THERMAL FIELD CONTROL AND RESIDUAL STRESS ENGINEERING
Mirzaumidov, Asilbek · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
A complete scientific and engineering analysis of multi-track laser surface hardening, commonly for gears and rotating mechanical elements subject to high contact stresses, is presented in this study. Traditional, bulk…
- INVESTIGATION OF THE CHEMICAL COMPOSITION, STRUCTURE, AND FUNCTIONAL–TECHNOLOGICAL PROPERTIES OF THE SECONDARY PRODUCT “GLUTEN” FROM KOKAND SPIRIT JSC
Zaynobiddinov, Mukhammad Zakhiriddin, Ravshanov, Suvonkul, Abdullayeva, Feruza · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This article investigates the chemical composition, structure, and functional–technological properties of the secondary product “Gluten” produced at the Kokand Spirit JSC enterprise. The study was conducted using a…
- PHYSICO-CHEMICAL ANALYSIS METHODS IN COMBINED DRYING OF TOPINAMBUR RAW MATERIALS
Meliboyev, Mirazam, Ismanova, Azima · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
The article presents methods for the physico-chemical analysis of the composition of topinambur tubers. In this study, combined drying methods, including sublimation (freeze-drying) and convective techniques, were used…
- DEGRADATION OF PECTIN AND STARCH IN SWEET SORGHUM STEM JUICE USING ENZYMES
Abdurazzoqova, Mamura · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
The article examines the chemical properties of sweet sorghum stem juice. Given the high carbohydrate content in the juice, the aim of the study is to break down the polysaccharides it contains into glucose. The…
- COMPREHENSIVE ASSESSMENT OF LINEAR DIMENSIONS, PHYSICAL-MECHANICAL AND CHEMICAL PROPERTIES OF COTTON SEEDS OF FOREIGN AND LOCAL VARIETIES
Abdurahimov, Ahror, Tashmuratov, Asatullo, Kuzibekov, Sardor, Ochilova, Sadoqat, Toshmuratov, Mirakhmad · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
In this article, the oil content, linear dimensions, as well as the physical-mechanical and chemical properties of cotton seeds of foreign and local varieties were comprehensively studied. During the research, the…
- BIOMECHANICAL PRINCIPLES OF SPORTSWEAR DESIGN FOR KAYAK SLALOM ATHLETES
Mamaxanova, Zebuniso · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This article analyzes the biomechanical characteristics of double-bladed paddling in kayak slalom and defines the theoretical requirements for sportswear design adapted to these movements. The study is based on a…
- STUDY OF THE EFFICIENCY OF USING CRYOPROTECTORS ON THE RHEOLOGY OF THE TEST
Aliyeva, Gulnoza, Kanoatov, Xayrullo · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
One of the ways to improve the efficiency of the process of long-term storage of bakery products is the use of freezing of bakery semi-finished products and / or finished products . The aim of the study was to study the…
- 0000-0001-5491-2417 FEATURES OF CATIONIC PECTIN SYNTHESIS AND PROPERTIES
Eshonxo'jaeva, Ominaxon, Mirzarakhmetova , Dilbar · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
Many polymer compounds carrying ionogenic functional groups in monomer units are used in various fields of practical activity. Due to their ability to ionize in solutions, such polymers exhibit pronounced…
- UDK 544.6:621.35 Investigating MXene Material For Evolution Reaction in Water Splitting
Mamanazirov, Javlonbek, Mamatkulov, Shavkat · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
We report a MXene-based hierarchical electrode architecture specifically engineered to address these challenges for alkaline OER. A Ti₃C₂Tₓ MXene/Nickel Foam (MXene/NF) electrode is fabricated via a simple immersion…
- ADSORPTION ACTIVITY OF BENTONITE CLAYS TOWARD DYES
Исмадиёров, Акмалжон · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This study examines the adsorption activity of bentonite clays toward various synthetic dyes in aqueous solutions. Bentonite, a naturally occurring aluminosilicate material with a layered structure and high specific…
- SYNTHESIS OF SURFACTANTS BASED ON FATTY ACIDS AND THEIR SPECTRAL ANALYSIS
Исмадиёров, Акмалжон · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This study investigates the synthesis of surfactants based on higher fatty acids and their physicochemical characterization. Natural and synthetic fatty acids with different hydrocarbon chain lengths were used as raw…
- UDK 678.02.678.6 STUDY OF THE PROCESS OF AMINOLYSIS OF SECONDARY POLYETHYLENETEREPHALATE WITH MONOETHANOLAMINE WITHOUT THE PARTICIPATION OF A CATALYST AND ANALYSIS OF THE OBTAINED PRODUCT.
Yusupova, Malikaxon, Mamadjonova , Maxfora, Egamberdiev , Sahibjon, Abduvohidov, Iqboljon · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
In this study, secondary polyethylene terephthalate (PET), an industrial waste, and monoethanolamine were treated in a ratio of 1:2.5 without the presence of a catalyst. The aminolysis process was carried out stepwise…
- UDK: 66-913 Grain cold conditioning device and technological solution
Akramova, Gulhayo · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
Maqolada donni sovuq holda konditsionerlash usuli o'rganiladi. O'tkazilgan tadqiqotda donni intensiv namlash, ya'ni sovuq holda konditsionerlash usullaridan foydalangan holda qurilma ishlab chiqildi. Olingan ma'lumotlar…
- UDC: 681.5:621.7:66.017 Operational Characteristics of Centrifugal Pumps in the Mining Industry.
Pardayeva, Shahlo, Kayumov, Umidjon · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
Pump stations at mining industry enterprises represent a critical infrastructure component that ensures the continuous and reliable operation of technological processes. Their efficient performance plays a decisive role…
- The global transition, of solar IMPROVEMENT OF METHODS FOR INCREASING THE ENERGY EFFICIENCY INDICATORS OF AN OFF-GRID SOLAR PHOTOVOLTAIC SYSTEM: IMPROVEMENT OF METHODS FOR INCREASING THE ENERGY EFFICIENCY INDICATORS OF AN OFF-GRID SOLAR PHOTOVOLTAIC SYSTEM
azamov, saidikrom · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
Globally, renewable energy sources are increasingly being utilized to supply consumers with reliable, high-quality, and continuous electrical power. In our country, special attention is given to ensuring uninterrupted…
- 636.085.55(075.8) USE OF NON-TRADITIONAL RAW MATERIALS IN THE PRODUCTION OF FISH FEED: new fish product waste, water temperature, hydrolysate, formulations, innovative approaches, compound feeds.
Xazratkulov, Javsurbek · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
In this scientific work, the scientific and practical foundations of using non-traditional raw materials as an alternative to fish meal in the composition of compound feeds intended for various age groups of cyprinid…
- NITRO-CARBOXYMETHYLINULIN SYNTHESIS
Egamberdiyev, Soxibjon · Наманган муҳандисликтехнология институти илмийтехника журнали · 2026-03-30
This work presents data on the nitration of inulin ether with a nitrating mixture. The influence of the nitrating mixture concentration and the molar ratio of nitric acid on the composition of nitro-Na-CMI was studied…