POLYTECHNIC BULLETIN
Series Engeneering Studies
ISSN 2520-2227

2025 2026
TRANSPORT
DOI: 10.65599/SIAR9043
ASSESSMENT OF THE QUALITY OF PASSENGER TRANSPORT SERVICE IN THE CITY OF DUSHANBE BY THE METHOD OF CONCORDANCE COEFFICIENT

Saidzoda Firdavs Hamro, Jalilov Umarjon Jamilovich

TRANSPORT
DOI: 10.65599/VRBY3757
STANDARDIZATION AS A KEY ELEMENT IN THE DEVELOPMENT OF TAJIKISTAN'S LOGISTICS SYSTEM: STRATEGIES TOWARD STANDARDS – A SYSTEMIC APPROACH TO DEVELOPMENT

Salomzoda Rahmiddin Salom, Boboev Muhammadjon Jurakhonovich

TRANSPORT
DOI: 10.65599/ASFK1883
DEVELOPMENT OF A ROAD ASSET MANAGEMENT SYSTEM (RAMS) BASED ON DIGITAL TECHNOLOGIES AND ARTIFICIAL INTELLIGENCE

Mirzozoda Sukhrob Begmat, Mirzoev Faridun Suhrobovich

TRANSPORT
DOI: 10.65599/LYPL8060
USE OF INNOVATIVE METHOD FOR THE DEVELOPMENT OF TRANSPORT INFRASTRUCTURE OF THE REPUBLIC OF TAJIKISTAN

Davlatzoda Kiyomiddin

TRANSPORT
DOI: 10.65599/UJEU4043
A COMPLEX ALUMINUM LUBRICANT FOR THE DRIVE UNITS OF MODERN MACHINES AND MECHANISMS

Yunusov Mansur Yusufovich, Sharifov Sharif Nurovich, Kholikzoda Muslihiddin Salohiddin, Niyozov Odil Satorovich

TRANSPORT
DOI: 10.65599/ZTMV3653
TASKS FOR IMPROVING THE CONDITION OF PUBLIC ROADS IN THE MOUNTAINOUS CONDITIONS Of TAJIKISTAN

Mirzozoda Sukhrob Begmat, Sodikov Jamshid Ibrokhim ugli, Mirzoev Faridun Suhrobovich

ENERGY
DOI: 10.65599/HYZM5412
REVIEW OF RESEARCH ON THE CALCULATION OF RESONANCE IN ELECTRICAL NETWORKS

Habibullozoda Zikrullo Habibullo

TRANSPORT
DOI: 10.65599/GCOK1719
RELIABILITY AND OPERABILITY OF THE VEHICLE'S BRAKING SYSTEM WHEN DRIVING ON INCLINES

Davlatshoev Rashid Asankhonovich

CHEMICAL TECHNOLOGY
DOI: 10.65599/TNYT6975
BASIC METHODS OF PREPARATION AND PHYSICO-CHEMICAL PROPERTIES OF POLYCOMPONENT CATALYSTS

Idizoda Makhmadrizvon, Saidzoda Bahriddin Said

CHEMICAL TECHNOLOGY
DOI: 10.65599/ILFP8681
FORMATION OF CHEMICAL COMPOSITION OF UNDERGROUND WATER AND TECHNOLOGY OF DISINFECTION USING COAGULANTS

Kodirov Anvar Saidkulovich, Tolibzoda Umeda Olim, Nazhmudinova Farzona Ismayulloevna, Shaymuradov Firdavs Inoyatovich, Rakhimov Ilkhomiddin  Mirzoevich 

CHEMICAL TECHNOLOGY
DOI: 10.65599/LXGA3581
DEVELOPMENT OF AN ENERGY-EFFICIENT TECHNOLOGY FOR SEPARATION OF THE MULTICOMPONENT AQUEOUS SULFATE SYSTEM K₂SO₄ – CaSO₄ – Al₂(SO₄)₃ – H₂O BASED ON TEMPERATURE-INDUCED CRYSTALLIZATION

Muкhtorov Parviz Alimahmadovich, Usmonov Muhammadsalim Bozorovich, Umarali Safarali, Kurbonova Hanifa, Kholov Kholmahmad Isroilovich

CHEMICAL TECHNOLOGY
DOI: 10.65599/WLMF4181
PROCESSING OF SULFIDE COPPER ARSENIC CONCENTRATES BY LOW-TEMPERATURE CHLORINATION ROASTING

Rahimzoda Hayot Shifoqul, Eshov Bakhtier Badalovich, Badalov Abdulkhair Badalovich, Osimi Okil, Kodirov Abdurashid

METALLURGY AND MATERIALS SCIENCE
DOI: 10.65599/WQWT3300
STUDY OF OXIDATION OF LEAD BABBITTE B(PbSb15Sn10) WITH GALLIUM IN THE SOLID STATE

Khojanazarov Khayrullo Mahmudkhonovich, Ganiev Izatullo Navruzovich, Saidov Shohin Khudoydodovich, Ismonov Rustam Dovudovich

METALLURGY AND MATERIALS SCIENCE
DOI: 10.65599/RGYA9173
SELECTION OF MATERIALS TO ENSURE HIGH-QUALITY ENGINEERING PRODUCTS

Gulov Salomidin Sadridinovich, Aliev Jamshed Nasridinovich

METALLURGY AND MATERIALS SCIENCE
DOI: 10.65599/JLQE5655
THE EFFECT OF CADMIUM ON THE ELECTRICAL CONDUCTIVITY OF CATHODE COPPER GRADE M00

Akramov Muhammad Bozorovich, Zubaydov Saidahmad, Qodirov Anvar Saidkulovich, Norkulov Kholtura Olimshoevich, Anvarov  Jahongir Muminjonovich

METALLURGY AND MATERIALS SCIENCE
DOI: 10.65599/DEKN8624
ON IMPROVEMENT OF THE METHODOLOGY FOR STUDYING ACOUSTIC DAMPING PROPERTIES OF METALS AND ALLOYS

Odinazoda Bozorali Nemat, Khakdodov Makhmudzhon Makhmadsharifovich, Haqdod Mahmadsharif Mahmud

METALLURGY AND MATERIALS SCIENCE
DOI: 10.65599/MVMJ8019
CATALYTIC MECHANISM OF SOME REACTIONS OF BENZENE AND THEIR INTERPRETATION ACCORDING TO THE CRYSTAL-CHEMICAL THEORY OF HEREDITY IN INORGANIC NATURE

Juraev Tukhtasun Juraevich, Gazizova Elvira Rashitovna, Toshev Mansur Tolibjonovich, Izzautulloev Muboriz Akramkhonovich

ENERGY
DOI: 10.65599/ZQGA1574
VORTEX HEAT GENERATOR WITH A U-SHAPED RESONATOR FOR OBTAINING THERMAL ENERGY UNDER CAVITATION CONDITIONS

Azizov Rustam Ochildievich, Stolyarenko Gennady Stepanovich, Vasireddy Nageswararao

ENERGY
DOI: 10.65599/DNRR5058
APPLICATION OF THE WEIBULL DISTRIBUTION AND ALTERNATIVE MODELS FOR ESTIMATING WIND ENERGY POTENTIAL

Usmonzoda Nilufar Ilkhom, Abdulakhat Lakimovich Kadyrov

ENERGY
DOI: _
INFLUENCE OF SOLAR INSOLATION VARIABILITY ON THE EFFICIENCY OF PHOTOVOLTAIC SYSTEMS IN THE CONDITIONS OF SOUTHERN TAJIKISTAN

Makhsumov Ilkhom Burkhonovich, Isozoda Dilovarshoh Tarik, Davlatzoda Abufazl Nusratullo

Tajik Power Engineering Institute