Том 11 № 1 (2026): Scientific and Technical Journal Namangan Institute of Engineering and Technology

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DOI: https://doi.org/10.61151/stjniet.v11i1

Опубликован: 2026-06-23

OPTIMAL AMOUNTS AND CONCENTRATIONS OF CALCIUM NITRATE SOLUTION IN THE PRODUCTION OF PHOSPHATE FERTILIZERS

Abduaziz Giyasidinov, Bokhodir Sultonov, Mahliyo Dedaboyeva, Otabek Aliyev

186-194
- 186-194 (English)
DETERMINATION OF OPTIMAL PARAMETERS OF AN ADVANCED DEVICE FOR CLEANING COTTON FROM LARGE IMPURITIES BASED ON A MATHEMATICAL MODEL

Saidmukhtar Kozokov

26-37
- 26-37 (English)
ROTATIONAL AUTO-OSCILLATIONS OF RIBBED CYLINDERS IN A PNEUMATIC PRESSURE SUPPLY SYSTEM

Muhammadqodir Komilov, Nilufar Parpiyeva, Juramirza Kayumov, Doniyor Parpiyev, Davronbek Tukhtasinov

3-13
- 3-13 (English)
INVESTIGATION OF ADDITIVES IN THE COMPOSITION OF MEAT CANNED PRODUCTS BASED ON TARAXACUM OFFICINALE WIGG. PLANT

Sayyora Atamirzayev

93-99
- 93-99 (English)
COMPREHENSIVE ASSESSMENT OF QUALITY AND SAFETY INDICATORS OF MINCED MEAT SEMI-FINISHED PRODUCTS

Bufotima Abdullayeva

100-104
- 100-104 (English)
THE IMPORTANCE OF USING REVERSE OSMOSIS IN TOMATO PASTE PRODUCTION

Yulduzxon Ikromova, Farruxbek Ikromov, Anvar Xamdamov

105-110
- 105-110 (English)
HYDROTHERMAL SYNTHESIS OF KA (LTA-TYPE) ZEOLITE FROM ANGREN KAOLIN: STRUCTURAL, MORPHOLOGICAL, AND ADSORPTION CHARACTERIZATION

Mirjalol Mukhammadjonov, Firuza Rakhmatkarieva, Mukhlis Oydinov

117-127
- 117-127 (English)
ADSORPTION PROPERTIES OF MODIFIED ADSORBENTS FOR DYES

G'aniyeva Nazokat, Golibjon Ochilov, Ismoiljon Boymatov

176-179
- 176-179 (English)
EXTRACTION OF THE NICKEL MICROELEMENT FROM INDUSTRIAL SECONDARY PRODUCTS USING SULFURIC ACID

Khurshida Hakimova, Dilnoza Makhkamova, Zokirjon Turayev

166-175
- 166-175 (English)
BONDING OF POROUS STRUCTURE AND SOIL MOISTURE RETENTION IN MODIFICATION SURFACTANTS AND POLYMERS

Moxinabonu Shamuratova

180-185
- 180-185 (English)
PRACTICAL STUDY OF DETERMINING VIBRATIONS OF 5LP MACHINE IN EXPERIMENTAL RESEARCH

Asilbek Mirzaumidov, Davronbek Xabibullayev

20-25
- 20-25 (English)
OPTIMIZATION OF ACID DECOMPOSITION OF WASHED CALCINED PHOSPHOCONCENTRATE USING A MIXED SECONDARY SULFURIC–EXTRACTION PHOSPHORIC ACID SYSTEM: CHEMICAL AND FTIR INVESTIGATION

Akramjon Shermatov, Doniyor Sherkuziyev

195-201
- 195-201 (English)
PRODUCTION OF MAGNESIUM CHLORIDE FROM MAGNESIUM-CONTAINING BRINES BY THE ISOTHERMAL METHOD AT 25 °C BASED ON THE SYSTEM 2Na⁺, Mg²⁺ ‖ SO₄²⁻, 2Cl⁻ – H₂O

Nozim Baxshilloyev, Farxod Umirov, Aktam Erkaev, Baxrom Kucharov, Rafik Maxmudov

202-208
- 202-208 (English)
DEVELOPMENT OF AN EFFECTIVE ANTI-CORROSION POLYMER COMPOSITION FOR OIL AND GAS TRUNK PIPELINES ON A RESOURCE-SAVING BASIS

Abrorbek Urinov, Aizxon Aslonov

209-215
- 209-215 (English)
CRYSTALLINE STRUCTURE AND SPECTROSCOPIC ANALYSIS OF LIA ZEOLITE

Tolibjon Abdulxayev, Mukhlis Oydinov, Rakhmatullo Khamidov

216-223
- 216-223 (English)
EXPERIMENTAL CONSTRUCTION DEVELOPMENT OF THE DEVICE FOR CLEANING COTTON FROM SMALL IMPURITIES

Avazbek Obidov, Dilnoza Khudayberdiyeva, Dilnoza Mirzaakhmedova

247-256
- 247-256 (English)
ASSESSMENT OF THE CHEMICAL AND MINERALOGICAL PROPERTIES OF ROCKS FROM THE MOUNTAINOUS AREAS OF CHORTOQ DISTRICT, NAMANGAN REGION, BASED ON XRF AND FTIR METHODS

A’zam Mamaxonov, Davronbek Sultanov

257-270
- 257-270 (English)
BENDING VIBRATIONS OF FLEXIBLE PACKET-TYPE WORKING BODIES OF TECHNOLOGICAL MACHINES

MUTAKHKHIRKHON ABDUVAKHIDOV, Bobirmirzo Mirjalolzoda, Akmal Umarov

271-277
- 271-277 (English)
THEORETICAL STUDY OF BENDING VIBRATIONS OF PACKET-TYPE WORKING BODIES OF TECHNOLOGICAL MACHINES WITH ACCOUNT OF INTERNAL LONGITUDINAL FORCES

MUTAKHKHIRKHON ABDUVAKHIDOV, Bobirmirzo Mirjalolzoda, Akmal Umarov

278-282
- 278-282 (English)
THE IMPACT OF PUBLIC–PRIVATE PARTNERSHIP (PPP) MECHANISMS ON ENTERPRISE COMPETITIVENESS IN THE IMPLEMENTATION OF GREEN TECHNOLOGIES

AXMADJON ERGASHEV

283-291
- 283-291 (English)
STUDY OF THE EFFICIENCY OF USING CRYOPROTECTORS ON THE RHEOLOGY OF THE TEST

Gulnoza Aliyeva, Xayrullo Kanoatov

73-82
- 73-82 (English)
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.

Javsurbek Xazratkulov

46-51
- 46-51 (English)
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

saidikrom azamov

224-230
- 224-230 (English)
UDC: 681.5:621.7:66.017 Operational Characteristics of Centrifugal Pumps in the Mining Industry.

Shahlo Pardayeva, Umidjon Kayumov

231-239
- 231-239 (English)
UDK: 66-913 Grain cold conditioning device and technological solution

Gulhayo Akramova

52-58
- 52-58 (English)
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.

Malikaxon Yusupova, Maxfora Mamadjonova , Sahibjon Egamberdiev , Iqboljon Abduvohidov

134-139
- 134-139 (English)
SYNTHESIS OF SURFACTANTS BASED ON FATTY ACIDS AND THEIR SPECTRAL ANALYSIS

Акмалжон Исмадиёров

147-152
- 147-152 (English)
ADSORPTION ACTIVITY OF BENTONITE CLAYS TOWARD DYES

Акмалжон Исмадиёров

153-165
- 153-165 (English)
UDK 544.6:621.35 Investigating MXene Material For Evolution Reaction in Water Splitting

Javlonbek Mamanazirov, Shavkat Mamatkulov

240-246
- 240-246 (English)
0000-0001-5491-2417 FEATURES OF CATIONIC PECTIN SYNTHESIS AND PROPERTIES

Ominaxon Eshonxo'jaeva, Dilbar Mirzarakhmetova

140-146
- 140-146 (English)
NITRO-CARBOXYMETHYLINULIN SYNTHESIS

Soxibjon Egamberdiyev

128-133
- 128-133 (English)
BIOMECHANICAL PRINCIPLES OF SPORTSWEAR DESIGN FOR KAYAK SLALOM ATHLETES

Zebuniso Mamaxanova

38-45
- 38-45 (English)
COMPREHENSIVE ASSESSMENT OF LINEAR DIMENSIONS, PHYSICAL-MECHANICAL AND CHEMICAL PROPERTIES OF COTTON SEEDS OF FOREIGN AND LOCAL VARIETIES

Ahror Abdurahimov, Asatullo Tashmuratov, Sardor Kuzibekov, Sadoqat Ochilova, Mirakhmad Toshmuratov

63-68
- 63-68 (English)
DEGRADATION OF PECTIN AND STARCH IN SWEET SORGHUM STEM JUICE USING ENZYMES

Mamura Abdurazzoqova

83-86
- 83-86 (English)
PHYSICO-CHEMICAL ANALYSIS METHODS IN COMBINED DRYING OF TOPINAMBUR RAW MATERIALS

Mirazam Meliboyev, Azima Ismanova

87-92
- 87-92 (English)
INVESTIGATION OF THE CHEMICAL COMPOSITION, STRUCTURE, AND FUNCTIONAL–TECHNOLOGICAL PROPERTIES OF THE SECONDARY PRODUCT “GLUTEN” FROM KOKAND SPIRIT JSC

Mukhammad Zakhiriddin Zaynobiddinov, Suvonkul Ravshanov, Feruza Abdullayeva

59-62
- 59-62 (English)
INTEGRATED MULTI-TRACK LASER SURFACE HARDENING OF GEARS AND ROTATING COMPONENTS: THERMAL FIELD CONTROL AND RESIDUAL STRESS ENGINEERING

Asilbek Mirzaumidov

14-19
- 14-19 (English)
MILK-BASED REFRESHING BEVERAGES: CLASSIFICATION, NUTRITIONAL BENEFITS AND COMPARATIVE ADVANTAGES OVER OTHER BEVERAGE TYPES

Yakutkhan Yakubjanova

69-72
- 69-72 (English)
0000-0001-5491-2417 LAWS OF MICELLE FORMATION IN AQUEOUS SOLUTIONS OF AZOMETHINES BASED ON MONOETHANOLAMINE AND ACETALDEHYDE

mirodil janayev

111-116
- 111-116 (English)