POLYTECHNIC BULLETIN
Series Engeneering Studies

2025 2026 2206
METALLURGY AND MATERIALS SCIENCE
DOI: 0.65599/ENG4752
EFFECT OF THALLIUM ADDITIVES ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF TIN BABBITTE B83

Ganiev Izatullo Navruzovich, Muzafarov Khusrav Davlyatalievich, Ismonov Rustam Dovudovich, Khojanazarov Khayrullo Mahmudkhonovich

ENERGY
DOI: 10.65599/ENG6047
ASSESSMENT OF THE RELIABILITY OF EARTH FAULT PROTECTION IN 6-10 kV ELECTRICAL NETWORKS

Ramazon Abdullozoda

METALLURGY AND MATERIALS SCIENCE
DOI: 10.65599/ENG1480
Effect of Cu deposition on the surface roughness and friction coefficient of Al2O3

Khaidarov Muhsinjon Umaralievich, Cherenda Nikolay Nikolaevich, Okilov Eminjon Erkinovich

METALLURGY AND MATERIALS SCIENCE
DOI: 10.65599/ENG7005
OPTIMIZATION OF NICKEL ELECTROLYTE PURIFICATION FROM IRON USING A MIXTURE OF OLEIC ACID AND TRIETHANOLAMINE

Ilizarov Daniel Leonidovich, Kokoeva Natalia Borisovna, Martyushev Nikita Vladimirovich

METALLURGY AND MATERIALS SCIENCE
DOI: 10.65599/ENG7199
STUDY AND CONSTRUCTION OF THE PHASE DIAGRAM OF THE Al–Li–Ce TERNARY SYSTEM

Ganieva Nargis Izatulloevna, Odinazoda Haidar Odina, Rajabaliev Safomudin Saidalievich,  Shamsiddinov Amriddin Jamoliddinovich 

METALLURGY AND MATERIALS SCIENCE
DOI: 10.65599/ENG5734
STUDY OF THE TEMPERATURE FACTOR IN STAGE-BY-STAGE EXTRACTION OF Fe(III) AND Zn(II) FROM CHLORIDE SOLUTIONS

Ilizarov Daniel Leonidovich,  Kokoeva Natalia Borisovna,  Martyushev Nikita Vladimirovich

METALLURGY AND MATERIALS SCIENCE
DOI: 10.65599/ENG1224
ON THE CATALYTIC ACTIVITY OF THE ELEMENTS OF D. I. MENDELEEV’S PERIODIC SYSTEM

Juraev Tukhtasun Juraevich, Gazizova Elvira Rashitovna, Izzautulloev Muboriz Akramkhonovich

ENERGY
DOI: 10.65599/ENG1177
INTEGRATION OF SOLAR POWER PLANTS INTO THE POWER SUPPLY SYSTEM OF BASE STATIONS OF CELLULAR OPERATORS: CURRENT STATE AND PROSPECTS

Khujasaidov Jahongir Khujasaidovich, 

ENERGY
DOI: 10.65599/ENG8330
HYDRAULIC ENGINEERING STRUCTURE COMPLEX FOR RIVER RUNOFF CLEANING AND USE IN THE MINING INDUSTRY

Inoyatova Komola Lavzarovna,  Gulakhmadzoda Aminjon Abdujabbor

ENERGY
DOI: 10.65599/ENG7155
ECONOMIC AND TECHNICAL FEASIBILITY ANALYSIS OF USING STATIONARY NETWORK DIVISION TO LIMIT SHORT-CIRCUIT CURRENT LEVELS

Rahimzoda Jamshed Bobomurod,  Muqimova Nargis Rustamovna, Umaralizoda Yusuf Mahmadali, Sharipov Erkin Kurbonovich,

ENERGY
DOI: 10.65599/ENG2999
OPTIMIZATION OF OPERATING MODES OF THE HYBRID ENERGY SYSTEM OF THE MURGHOB DISTRICT OF THE REPUBLIC OF TAJIKISTAN

Diyorzoda Rustam Khakimali,  Sharifov Bohirjon Nasrulloevich, Khuvatov Farukh Nazrialoevich

ENERGY
DOI: 10.65599/ENG7202
THE EFFECT OF LOAD POWER VARIATION ON THE DISTRIBUTION OF ACTIVE POWER BETWEEN A WIND GENERATOR AND A DIESEL GENERATOR

Jalilov Rustam Abduhamidovich, 

ENERGY
DOI: 10.65599/ENG8031
ANALYSIS OF THE DEVELOPMENT OF REFINED METHODS FOR CALCULATION OF SHORTCIRCUIT CURRENTS TAKING INTO ACCOUNT A COMPLEX OF INFLUENCING FACTORS

Kayumov Alisher Gafurdzhonovich, Amonuloev Azizkhon Rezmonovich, Jaborov Manuchehr Kamolovich,  Aminov Dilshod Saidovich, Kosimov Bakhtiyor Ismatulloevich

ENERGY
DOI: 10.65599/ENG5624
RATIONALE FOR SELECTING AN OPTIMAL SITE FOR INSTALLING SMALL HYDROPOWER POWER PLANTS ON IRRIGATION CANALS

Pirova Shamsia Khotamovna, Rahimzoda (Rahimov) Firdavs Mirzoumar

ENERGY
DOI: 10.65599/ENG3129
APPLICATION OF METAHEURISTIC ALGORITHMS FOR MULTI-OBJECTIVE OPTIMIZATION OF COMPENSATING DEVICE PLACEMENT CONSIDERING RESONANCE RISKS

Habibullozoda Zikrullo Habibullo,  Jurazoda Shohin Jura,  Ismoilov Saidjon Turonovich,  Jaborov Manuchehr Kamolovich

ENERGY
DOI: 10.65599/ENG7616
OPTIMIZATION OF A HYBRID RENEWABLE ENERGY SYSTEM WITH ENERGY STORAGE

Kirgizov Alifbek Kirgizovich

ENERGY
DOI: 10.65599/ENG9951
ANALYSIS OF THE 110 KV ELECTRICAL GRID OPERATING MODES: DARKHAN – BUGANT

Bumtsend Uyangasaikhan, Ahyoev Javod Salamshoevich, Khishigbayar Ider, Dalai Amarbayasgalan

TRANSPORT
DOI: 10.65599/ENG2983
IMPROVING THE CARGO DELIVERY PROCESS AND INCREASING CARGO TRANSPORTATION EFFICIENCY USING LOGISTICS CONDITIONS IN THE REPUBLIC OF TAJIKISTAN

Safarov Khujavali, Mirzoeva Nisobegim Shonazarshoevna

CONSTRUCTION AND ARCHITECTURE
DOI: 10.65599/ENG7748
APPLICATION OF NONLINEAR LAW OF CONCRETE DEFORMATION IN LIRA- SAPR PC BASED ON RESULTS OF EXPERIMENTAL STUDIES

Mahmadiev Usmonali Murodalievich

CONSTRUCTION AND ARCHITECTURE
DOI: 10.65599/ENG2064
INFLUENCE OF CHEMICAL ADDITIVES OF PLANT RAW MATERIALS ON RHEOLOGICAL PROPERTIES OF ROAD CEMENT

Rahmatzoda Alisher Sunat