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

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

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

Published: 2026-06-23

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

Abduaziz Giyasidinov, Sultonov Bokhodir , Dedaboyeva Mahliyo, Aliyev Otabek

186-194
- 186-194
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
ROTATIONAL AUTO-OSCILLATIONS OF RIBBED CYLINDERS IN A PNEUMATIC PRESSURE SUPPLY SYSTEM

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

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

Sayyora Atamirzayev

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

Bufotima Abdullayeva

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

Yulduzxon Ikromova, Farruxbek Ikromov , Anvar Xamdamov

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

Mirjalol Mukhammadjonov, Rakhmatkarieva Firuza, Oydinov Mukhlis

117-127
- 117-127
ADSORPTION PROPERTIES OF MODIFIED ADSORBENTS FOR DYES

G'aniyeva Nazokat, Ochilov Golibjon, Boymatov Ismoiljon

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

Khurshida Hakimova, Makhkamova Dilnoza, Turayev Zokirjon

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

Moxinabonu Shamuratova

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

Asilbek Mirzaumidov, Xabibullayev Davronbek

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

Akramjon Shermatov, Sherkuziyev Doniyor

195-201
- 195-201
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, Umirov , Erkaev Aktam, Kucharov Baxrom, Maxmudov Rafik

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

Abrorbek Urinov, Aslonov

209-215
- 209-215
CRYSTALLINE STRUCTURE AND SPECTROSCOPIC ANALYSIS OF LIA ZEOLITE

Tolibjon Abdulxayev, Oydinov , Khamidov Rakhmatullo

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

Avazbek Obidov, Khudayberdiyeva Dilnoza, Mirzaakhmedova Dilnoza

247-256
- 247-256
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, Sultanov Davronbek

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

MUTAKHKHIRKHON ABDUVAKHIDOV, Mirjalolzoda Bobirmirzo, Umarov Akmal

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

MUTAKHKHIRKHON ABDUVAKHIDOV, Mirjalolzoda Bobirmirzo, Umarov Akmal

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

AXMADJON ERGASHEV

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

Gulnoza Aliyeva, Kanoatov Xayrullo

73-82
- 73-82
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
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
UDC: 681.5:621.7:66.017 Operational Characteristics of Centrifugal Pumps in the Mining Industry.

Shahlo Pardayeva, Erkinovich

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

Gulhayo Akramova

52-58
- 52-58
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, Abdulhokimovna, Abdulkasimovich, Qurvnaliyevich

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

Акмалжон Исмадиёров

147-152
- 147-152
ADSORPTION ACTIVITY OF BENTONITE CLAYS TOWARD DYES

Акмалжон Исмадиёров

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

Javlonbek Mamanazirov, Shavkat Mamatkulov

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

Ominaxon Eshonxo'jaeva, Kimyo International University in Tashkent, Pofessor

140-146
- 140-146
NITRO-CARBOXYMETHYLINULIN SYNTHESIS

Soxibjon Egamberdiyev

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

Zebuniso Mamaxanova

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

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

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

Mamura Abdurazzoqova

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

Mirazam Meliboyev, Ismanova

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

Mukhammad Zakhiriddin Zaynobiddinov, Ravshanov Suvonkul, Abdullayeva Feruza

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

Asilbek Mirzaumidov

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

Yakutkhan Yakubjanova

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

mirodil janayev

111-116
- 111-116