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Scientific-technical journal

 

The "Scientific-Technical Journal" - a peer-reviewed journal dedicated to the latest achievements in the field of applied mathematics, physics and technical sciences. The purpose of this journal is to provide researchers, scientists, doctoral students and masters with a platform for promoting, sharing and discussing new issues in this field. High-quality scientific articles are published in Uzbek, Russian or English in the following sections: fundamental sciences, mechanics, construction, energy, electrical equipment, electronic devices and information technology, chemical technology and ecology, social and economic sciences, short messages.

ISSN 2181-1350

Journal was founded in 1997. It comes out four times a year. Founders: Ferghana Polytechnic Institute, Ministry of Higher and Secondary Special Education of the Republic of Uzbekistan.

Publisher - Ferghana Politechnic Institute.

Editor-in-Chief: O’.R. Salomov, doctor of technical sciences, rector of Fer.P.I.

Executive Editor: N.Kh. Yuldashev, Life Member AASCIT, doctor of phisical-mathematical sciences, professor.

Registered by the Press and Information Department of the Ferghana Region of the Press and Information Agency of the Republic of Uzbekistan. Registration Certificate No. 63 of November 17, 1997 (re-registration No. 12-064 of February 22, 2007).

It is included in the List of peer-reviewed scientific and scientific-technical periodicals approved by the Higher Attestation Commission under the Cabinet of Ministers of the Republic of Uzbekistan, in which it is recommended to publish the main scientific results of dissertations for scientific degrees PhD and DS.

  • 02.02.00-Mechanics
  • 05.00.00-Engineering: 05.01.00, 05.02.00, 05.03.00, 05.04.00-engineering
  • 05.07.00-aviation technology
  • 05.16.00-metallurgy
  • 05.19.00-technology textile and light industry and products
  • 05.20.00-technology of mechanization and electrification of agricultural production
  • 05.20.00-transport
  • 05.23.00-construction
  • 05.25.00-information based on documents
  • 05.26.00-environmental protection and society.

See the Aims and Scope for a complete coverage of the journal.

Recent Content

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RESEARCH OF THERMAL PARAMETERS OF INSOLATION PASSIVE SOLAR HEATING SYSTEMS
I N. Kodirov, A A. Vardiyashvili, and A S. Dusyarov

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FEW INFORMATION OF ARTICLE ON THE FLEXOPHOTOVOLTAIC EFFECT IN SEMICONDUCTOR P-N-STRUCTURES
R Aliev, F Behradt, J Gulomov, М Abduvokhidov, S Aliev, and B Rashidov

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PHOTOLUMINESCENCE AND RAMAN SPECTRA OF DIAMOND MICROPOWDERS PLACED IN PHOTON TRAPS
I A. Rakhmatullaev, V S. Gorelik, R A. Muminov, O M. Tursunkulov, O F. Tukfatullin, M R. Rakhmatullaev, and A K. Kurbonov

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SMALL LEVELER WITH ROLLER
A Tukhtakuziev, M M. Ergashev, and I A. Akbarov

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ALGORITHMS FOR RECOVERY GEOPHYSICAL DATA USING BASIC SPLINES
H N. Zaynidinov, G O. Tojiboev, and M A. Kuchkarov

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ENERGY RATIOS IN THE CONTACT INTERACTION OF SHOT WITH THE HARDENED SURFACE OF MACHINE PARTS
I G. Shin, R Kh Maksudov, M R. Muminov, and Sh Sh Shukhratov

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MATHEMATICAL MODEL OF THE COLD ROLLING PROCESS
D M. Berdiyev and B M. Saydumarov

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COMPONENTS OF DEFORMATION AND FAILURE OF SYNTHETIC WOVEN TAPES
S. J. Razzakov, I. N. Abdullayev, and B. K. Raxmanov

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OBTAINING THE OPTIMAL COMPOSITION OF ENVIRONMENTALLY FRIENDLY MOTOR OILS FOR AGRICULTURAL
S. Kh. Ganieva, B. N. Khamidov, M. M. Mirzaeva, and B. A. Smanov

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STABILIZATION OF THE PARAMETERS OF A TWO-WAVE OPTOELECTRONIC DEVICE
O H. Kuldashov, N Umaraliev, and K M. Ergashev

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ANALYSIS OF THE IMPACT OF ELECTRIC ENERGY QUALITY INDICATORS ON THE ENERGY EFFICIENCY OF ASYNCHRONOUS MOTORS
I. X. Kholiddinov, M. E. Yulchiev, A. X. Eraliev, and I. В. Yigitaliyev

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INTERBAND ONE- AND TWO-PHOTON ABSORPTION OF POLARIZED LIGHT IN NARROW-GAP CRYSTALS
Rustam Yavkachovich Rasulov e.g., V R. Rasulov, B B. Akhmedov, and I A. Muminov

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INFLUENCE OF PARAMETERS OF NON-STANDARD MODES OF HEAT TREATMENT ON INCREASING THE WEAR RESISTANCE OF STEEL PRODUCTS
Dorob Murotovich Berdiyev DSn, Abdulaziz Abdullajanovich Yusupov head teacher, Ravshan Kobilovich Tashmatov doctoral student, Tuychi Nemat ogli Ibodullayev assistant, and Kabira Erkinovna Qurbonova head teacher

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SHAHAR SHAROITIDA AVTOMOBILLLARNI PARKOVKALASHDA INNOVATSION LOYIHALASH TIZIMI
Jamshid Abdunazarov and Zohidjon Baxtiyor o‘g‘li Abdurahmanov

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SEISMIC RESISTANCE ASSESSMENT OF THE SECONDARY SCHOOLS BUILDINGS AND RECOMMENDATIONS FOR ENSURING THEIR SEISMIC SAFETY
H S. Sagdiev, A S. Yuvmitov, Z R. Teshaboev, V A. Galiaskarov, S U. Toshpulatov, and B B. Uktamov

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PHOTOLUMINESCENCE AND RAMAN SPECTRA OF DIAMOND MICROPOWDERS PLACED IN PHOTON TRAPS
I A. Rakhmatullaev, V S. Gorelik, R A. Muminov, O M. Tursunkulov, O F. Tukfatullin, M R. Rakhmatullaev, and A K. Kurbonov

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A NEW WAY TO INCREASE EFFICIENCY SILICON PHOTOCELLS
M K. Bakhadyrkhanov, K A. Ismaylov, Z T. Kenzhaev, and S A. Tachilin

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INTERACTION OF SPIN CENTERS IN SiC WITH ACOUSTIC OSCILLATIONS
A V. Poshakinsky, G V. Astakhov, A Hernández-Mínguez, and P V. Santos

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INFLUENCE OF LIGHTING ON TENSO-SENSITIVITY OF SILICON DOPED WITH MANGANESE
A .B Kamalov, S A. Tursinbaev, Kh M. Iliyev, and M M. Shoabdurakhimova

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SELF-ORGANIZATION OF FULLERENE C60/70 MOLECULES IN SOLUTIONS AND IN THE VOLUME OF DRYING DROP
S A. Bakhramov, A M. Kokhkharov, U K. Makhmanov, and B A. Aslonov

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EFFECT OF LASER RADIATION ON PHOTOMAGNETIC MATERIALS BASED ON SILICON DOPED WITH IMPURITIES
D J. Asanov, M I. Markevich, S M. Kasymov, R A. Ametov, and A E. Otarbayev

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STUDY OF THE KINETICS OF DECOMPOSITION OF SULFUR-CONTAINING PHOSMOIC NITRIC ACID
Sh V. Rakhmanov, M M. Sobirov, R M. Nazirova, and A A. Hoshimov

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GRINDING SYSTEM CALCULATION METHOD
A V. Akhtyamov, I V. Kolmykova, and B A. Alimatov

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FEATURES OF THE USE OF PILGRIMS FOR TOURISM IN THE FERGANA REGION
A M. Salimov, Sh F. Qosimova, and Q Q. Tursunov

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CALCULATION OF THE HUMIDITY OF MASHED ROOT VEGETABLES OBTAINED BY INSTANTANEOUS PRESSURE RELIEF
A Sh Abdullaev, X S. Nurmukhamedov, E T. Mavlonov, R J. Tojiev, and B S. Usmanov

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VARIABLE FLOW RATE FLOW ALONG A PATH IN A CLOSED INCLINED PIPELINE
B X. Abdullayev, S I. Xudayqulov, and S M. Sattorov

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CALCULATION AND DESIGN OF A SCREV PRESS FOR A FUEL BRIQUETTE
A A. Khakimov, D S. Salikhanova, and N Kh Vokhidova

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ON THE THEORY OF THE EFFECTIVE HAMILTONIAN OF CURRENT CARRIERS IN A SEMICONDUCTOR
R Ya Rasulov, B B. Akhmedov, U Raimimonova, and A Abdukholikov

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FLUTTER OF A VISCOELASTIC ROD PIVOTALLY SUPPORTED AT THE ENDS
R A. Abdikarimov, U Y. Akbarov, Sh Y. Pulatov, and M M. Mansurov

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EXCITON-POLARITON LUMINESCENCE IN CONDITIONS OF ION CHANNELING
A G. Abdukadirov, A M. Rasulov, and N Kh Yuldashev

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DEVELOPMENT OF DEVICE FOR COTTON FIBER HUMIDIFICATION
Z S. Usmanov, Kh S. Usmanov, R A. Gulyaev, and A E. Lugachev

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NATURAL RESEARCH OF UNDERGROUND CASING CONSTRUCTION BEHAVIOUR BY SEISMOBURSTING METHOD
H S. Sagdiev, I I. Safarov, B S. Rakhmanov, and E M. Yunusaliev

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MODELING OF GEOTHERMAL MICRO-GES
O X. Otakulov, S F. Ergashev, O X. Kuldashov, and U Rustamov

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DIFFERENTIAL CALCULATION METHOD OF A UNIVERSAL-MILLING TRACTOR
A A. Akhmetov, R M. Botirov, and G F. Negmanov

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EDGE ABSORPTION SPECTRA OF HEAVILY DOPED POLYCRYSTALLINE PBTE: PB AND PBTE: TE FILMS
Kh M. Sulaymonov, N Kh Yuldashev, O M. Mamatov, and D T. Mamadieva

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DIRECT AND ANALYTICAL METHOD OF FINDING ALGEBRAIC CALCULATIONS
D T. Muhamedieva, D M. Sotvoldiev, and U Khasanov

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MATHEMATICAL MODELING OF CHANGES IN THE AIR TEMPERATURE UNDER THE VENTILATION CHANNEL IN UNDERGROUND FERTILIZER STORAGE
G N. Uzakov, Sh K. Yakhshiboev, A A. Vardiyashvili, A A. Mansurov, and D N. Mamedova

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PHYSICAL AND CHEMICAL RESEARCHES OF THE RELAXOL SERIES OF CEMENT COMPOSITION WITH COMPLEX CHEMICAL ADDITIVE KDJ-3
N A. Samigov, А Т. Djalilov, M U. Karimov, Z M. Sattorov, U N. Samigov, and B Q. Mirzayev

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EXPERIMENTAL STUDY OF THE DEFORMATION PROPERTIES OF WATER-SATURATED LEATHER SEMI-FINISHED PRODUCTS
G A. Bakhadirov, T Yu Amanov, G N. Tsoy, А М. Nabiev, and M U. Musirov

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DEVELOPMENT OF A VIBRATORY VULNER MODEL WITH REGULATED PARAMETERS
R J. Tojiev, H M. Sadullaev, M D. Gerasimov, B A. Alimatov, S А. Kaskov, and A M. Olekhnovich

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STUDY OF THE PROCESS OF OBTAINING CALCIUM SOLUTIONS OF DISTILLER LIQUID PURIFIED
O S. Bobokulova, H Ch Mirzakulov, R R. Tozhiev, I I. Usmanov, and Z N. Mamadjanov

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DEVICE FOR REMOTE CONTROL OF COTTON-RAW MOISTURE
M M. Mukhitdinov, G O. Kuldashov, O Kh Kuldashov, and Z Y. Mamasodikova

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INVESTIGATION OF GEOMETRIC CONDITIONS IN TWO-ROLL MODULES
Sh R. Xurramov, F S. Xolto’raev, and F Z. Qurbonova

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OPTIMIZATION OF THE STRUCTURE OF CEMENT CONCRETE WITH ACTIVATED LIQUID MEDIUM
N I. Goncharova, Z A. Abobakirova, M Turopov, and Sh A. Suyunov

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MODIFIED SLAG-ALKALINEBINDERS
Ag A. Mukhamedbaev, Kh Kh Kamilov, and A A. Tulaganov

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DRYING GLASS FEED STOCK IN DRUM DRIER FOR MANUFACTURING GLASS PRODUCTS
R J. Tojiev, A A. Axunboev, R X. Mirsharipov, and N Abdukadirov

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PROSPECTS FOR THE USE OF VEGETABLE OILS AS LUBRICANTS AND FUELS
B N. Khamidov, B Kh Ubaidullaev, M M. Mirzaeva, S Kh Ganieva, and B A. Smanov

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CALCULATION OF MODE HELIO-LIVESTOCK PREMISES WITH PRESCRIBED HEAT ACCUMULATOR
N S. Kholmirzaev, Sh Kh Ergashev, G G. Khalimov, and B E. Khayriddinov

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FEATURES OF GEOMETRIC CONDITIONS IN TWO-ROLL MODULES WITH ONE DRIVE ROLLER
Sh R. Xurramov, F S. Xolturaev, and F Z. Qurbonova

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MATHEMATICAL MODELING OF GAS-DYNAMICS PROCESSES OCCURING IN DISCRETLY POWERED CARRYING GAS BUFFER
Ye D. Chertov, O A. Nosov, B A. Alimatov, Ye S. Tkachenko, and S M. Tolstolutskiy

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THE SPECTRAL CHARACTERISTICS OF CdTe:Ag PHOTOELECTRICAL FILMS IN THE AREAS OWN AND IMPURITE ABSORPTION
M F. Axmadjonov, O M. Mamatov, O R. Nurmatov, T I. Rahmonov, and N Kh Yuldashev

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COORDINATE-SENSITIVE DETECTORS BASED ON THE AL-AGE-PSI-AU HETEROJUNCTION STRUCTURES
Yo K. Toshmurodov, Z F. Beknazarova, A K. Saymbetov, and J H. Ravshanov

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MODELING OF THE HEATING PROCESSES, MELTING OF MATERIALS ON A BIG SUNNY FURNACE
M S. Рaizullakhanov, Sh D. Рaiziev, and S Kh Suleimanov

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THE RESEARCH OF CHARGEER CARRIER LIFETIME IN DOPING WITH SILLION AND SILVER IMPURITY
A R. Sattiev, S Zaynabidinov, Sh Mahkamov, M Yu Tashmetov, M N. Erdonov, H M. Holmedov, and S S. Sabirov

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VINYL ACETATE POLYMERS AND SOME ASPECTS OF VINYL ACETATE POLYMERIZATION
F F. Hoshimov, O G’ Abdullaev, and S M. Sobirov

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INTERACTIVE SEGMENTATION OF IMAGES BY THE METHOD OF THE THEORY OF GRAPHS
A S. Vinogradov, Ye B. Tashmanov, and Ye V. Gluxov

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THE DISPERSION AND PHOTOLUMINESCENCE SPECTRUM OF MIXED EXCITONS AT CRITICAL DAMPING VALUES
B J. Ahmadaliev, M F. Akhmadjonov, O R. Nurmatov, N Kh Yuldashev, О М. Маmаtоv, H E. Muxammadyakubov, and S R. Urmonov

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IMPROVING THE EFFICIENCY OF OPERATION OF REFRIGERATED TRANSPORT
J R. Kobulov, D I. Ilesaliev, and J S. Barotov

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ADVANTAGES AND PECULIARITIES OF USING FIBER-OPTIC COMMUNICATION LINES
Yu V. Pisetskiy, S S. Dusmatov, and O S. Olimova

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PROPERTIES OF CONCRETE WITH POLYMER ADDITIVES - WASTES PRODUCTS
N I. Goncharova, B K. Raxmanov, B K. Mirzaev, and F .O Xusainovа

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EFFECTIVE SOLAR ELEMENST ON THE BASIS OF Si
B M. Mamadaliev, X E. Muxammadyoqubov, J Ergashev, and N Kh Yuldashev

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OPTIC SPECTRAL MEMORY IN MEMBRANEOUS ULTRAOF CRYSTAL HETEROSTRUCTURE p- CdTe - SiO2 – Si
N E. Alimov, K A. Botirov, S M. Otajonov, V O. Xomidov, and S S. Shermatov

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CORIOLIS MIXING OF ROTATIONAL STATES OF POSITIVE PARITY 158,160GD
P N. Usmanov, S S. Sabirov, Kh N. Bozorov, and E K. Yusupov

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CLUSTER MODELS: STRUCTURAL, MORPHOLOGICAL AND THERMODYNAMIC PROPERTIES OF BI-METALLIC PARTICLES
M Hou, A A. Dzhurakhalov, A M. Rasulov, G Hautier, P Moskovkin, T Van Hoof, V Kharlamov, and E E. Zhurkin

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PROCESSING OF CALCIUM NITRATE GRANULATED CALCIUM SALTPETER
Z Usmonova, S Boyturaev, A Soadatov, A G’oyipov, and Z Dehkanov

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PHYSICAL AND CHEMICAL RESEARCH OF CEMENT COMPOSITION WITH SUPERPLASTICIZER OF NEW GENERATION OF SDJ-1 SERIES
N A. Samigov, A T. Djalilov, M U. Karimov, Dj S. Zakirov, and S R. Majidov

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MODELING OF THE HYDRAULIC BLOW IN BUILDING COMPLEX
F X. Nishonov and S I. Xadaykulov

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CLIMATE CHANGE IMPACT ON AGRICULTURE IN CENTRAL ASIA
S Musayev, I Musaev, G Musaeva, and K Xakimova

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INVESTIGATION OF SMALL ANGLE ION SCATTERING FROM THE INP(001)
U O. Kutliev, M K. Kurbanov, M K. Karimov, I U. Tangriberganov, and K Otaboeva

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HYDRAULIC RESISTANCE IN THE PIPING PUMPS SUCTION
M Mamajonov, B M. Shakirov, and A M. Mamajonov

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HIGH-STRENGTH PORTLAND CEMENT, MODIFIED WITH CHEMICAL WAST
U A. Yokubov, T A. Atakuziev, O V. Triulina, and S Z. Mirzaev

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MODERN ALGORITHMS OF RECOGNIZING SYMBOLS
Z B. Mingliqulov, D M. Sotvoldiev, and M U. Norinov

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ABOUT INFLUENCE ON FILM-FORMING NEAR-SURFACE HYDRATION OF CEMENT INTO CONCRETE
I M. Mahamataliev, J R. Turgunbaeva, and F Sh Ruzmetov

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QUALITY ASSESSMENT OF CLOTHES FABRICS
O A. Ortikov, S S. Rakhimkhodjaev, N M. Musaev, and Z F. Valieva