Mathematical Modeling of Thermal Conditions of Drilling Bits in Air Drilling

Djuraev R.U., Mustafayev O.B., Khatamova D.N., Khamzaev A.A.

Professor, Department of Mining and Electromechanical Engineering, Navoi State Mining Institute, Uzbekistan.

Assistant, Department of Mining and Electromechanical Engineering, Navoi State Mining Institute, Uzbekistan.

Assistant Professor, Department of Mining, Navoi State Mining Institute, Uzbekistan.

Assistant Professor, Department of Mining and Electromechanical Engineering, Navoi State Mining Institute, Uzbekistan.

Abstract

Modelling the Kinetics of Biogas Production Potential of a Closed System Digester: The Effect of Algae on Production Yield

Joy Ejayeta Abraham-Igwemoh, Ongoebi Maureen Etebu

World Bank African Center of Excellence, Centre for Oil field chemical Research, University of Port Harcourt, Port Harcourt, Nigeria

Department of Mechanical Engineering, University of Port Harcourt, Port Harcourt. Nigeria.

Abstract

The Interaction Mechanism of Fuel Lubricant Materials, Microorganisms and Anti-Microbial Additives

O.O. Mukhitdinov, A.K. Sharipov

Researchers at Turin polytechnic university in Tashkent

(Kichik halka yuli 17, Tashkent, Uzbekistan, 100095)

Abstract

Characteristics of Yarn Made from Medium Staple Cotton Fiber

Mirpolat Kulmetov, Toyirova Abdugapirovna Tursunoy, Pirmatov Pirmatovich Abdumalik, Muzaffar Tolibjonov

Department of science of textile materials, Tashkent Institute of textile and light industry, tashkent, Uzbekistan

Department of science of textile materials, Tashkent Institute of textile and light industry, tashkent, Uzbekistan

Department of Spin technology, Tashkent Institute of textile and light industry, tashkent, Uzbekistan

Department of science of textile materials, Tashkent Institute of textile and light industry, tashkent, Uzbekistan

Abstract

Mathematical Modeling of the Wear of Cutting Elements on Quarry Excavators

Djuraev R.U., Turdiyev S.A

Professor (DSc), Department of Mining Electromechanics, Navoi State Mining Institute, Republic of Uzbekistan, Navoi Region, Navoi city

Senior Lecturer, Department of Mining electromechanics, Navoi State Mining Institute, Republic of Uzbekistan, Navoi Region, Navoi city

Abstract

Reducing the operating costs when applying the optimal amine ratio at the purification unit of the Gazli gas refining plant

Mukhammad Abdurakhimov , Fazliddin Ismoilov

Head of the gathering, gas preparation and transportation department, «UZLITINEFTGAZ» joint-stock company, Tashkent, Uzbekistan

Scientific employee of the gathering, gas preparation and transportation department, «UZLITINEFTGAZ» joint-stock company, Tashkent, Uzbekistan

Abstract

Physico-Chemical Characteristics of Zinc Sulfate Produced from Zinc-Containing Concentrate of Khandiza Deposit

Jasur Makhmayorov, Zafar Khakimov, Shokir Rakhimkulov, Tulkin Shakarov, Farrukh Davlatov, Murodjon Samadiy

Deputy Director for youth work, Yangiyer branch of the Tashkent Institute of Chemical Technology, Syrdarya, Uzbekistan

Director of the Yangiyer branch of the Tashkent Institute of Chemical Technology, Syrdarya, Uzbekistan

Assistant of the Yangiyer branch of the Tashkent Institute of Chemical Technology, Syrdarya, Uzbekistan

Senior Lecturer, Department of Mining, Almalyk Branch of Tashkent State Technical University, Almalyk, Uzbekistan

Senior Lecturer, Karshi Institute of Engineering and Economics, Karshi, Uzbekistan

Deputy Director for Science and Innovation, Yangiyer branch of the Tashkent Institute of Chemical Technology, Syrdarya, Uzbekistan

Abstract

Detection of Fire with Image Processing

Swati Warade, Priyanka Satkar, Juned Mulla, Mihir Chouhan

Department of Computer Engineering, NBN Sinhgad School of Engineering, Ambegaon BK, Pune, Maharashtra 411041

Abstract

Borewell Child Rescue System

Ramesh Byali, Shahida Begum

Assistant Professor, Department of Computer Science and Engineering, PDIT, Hosapete.

Assistant Professor, Department of Computer Science and Engineering, PDIT, Hosapete

Abstract

Device for testing plush cloths for the strength of fixing the plush thread in the ground

Tashpulatova S.S., Mukimov M.M., Musayev N.M., Gulyaeva G.Kh., Musayeva M.M.

Tashkent institute of textile and light industry, Uzbekistan

Abstract

Types of Waterproofing and Initial Data for its Choice

Khamidov Basit Nabiyevich ,Urinov Abror Akhrorovich

Institute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan

Abstract

Biological Degradability of Motor Oils Significant Damage to the Environment

Bakhtiyorov Jaloliddin Sharafiddinovich , Aliyev Abror Akbarovich

Tashkent State Technical University named after I. Karimov;

Institute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan.

Abstract

Environmental Interests in Used Oil Recycling

Aliyev Abror Akbarovich , Bakhtiyorov Jaloliddin Sharafiddinovich

Institute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan;

Tashkent State Technical University named after I. Karimov.

Abstract

Solubility in the NaClO3-N (OHC2H4)3∙NH4SCN-H2O system

Mamirov I. G., Zakirov B. S., Kucharov B. Kh., Matbabaeva N.N

Associate Professor, Fergana Polytechnic Institute, Fergana, Uzbekistan

Professor of the Institute of General and Inorganic Chemistry, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan

Professor of the Institute of General and Inorganic Chemistry, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan

Assistant at the Fergana Polytechnic Institute, Fergana, Uzbekistan

Abstract

Photomagnetic Converter

Onarkulov Karimberdi Egamberdievich, Naymanboyev Rakhmonali, Yuldashev Shoxjaxon Abrorovich, Yuldashev Abror Abduvositovich

Professor, Fergana State University

Associate professor, Fergana branch of TUIT

Doctoral student, Fergana State University

Teacher, Fergana State University

Abstract

Optimizing the state of the power system by taking into account the losses in the network by calculating their output

T.Sh.Gayibov, K.M.Reymov, B.A.Uzakov

Doctor Professor (DSc), Department of “Electric Power Stations, Networks and Systems”, Tashkent State Technical University, Tashkent, Uzbekistan

Assistant Professor (PhD), department of “Power Energy” Karakalpak State University, Nukus, Uzbekistan

Senior teacher, department of “Power Energy” Karakalpak State University, Nukus, Uzbekistan

Abstract

Analysis of the Losses Incurred During the Collection and Preparation of Oil and Gas Fields

Habibullayev Saidaziz Shokhsuvarovich, Norqulov Shokhbozbek Samandar o’g’li

Associate professor - Tashkent State Technical University Named After Islam Karimov, Republic of Uzbekistan, Tashkent city

Assistant -Tashkent State Technical University Named After Islam Karimov, Republic of Uzbekistan,Tashkent city

Abstract

Mechanical Activation of Low-Grade Phosphorites by Acid Salt and PhysicoChemical Investigation of Obtained Samples

Oljaev Dilshod., Nurmurodov Tulkin., Tursunova Iroda., Khurramov Navruzbek., Erkaev Aktam

Basic doctoral student, Navoi branch of the Academy of Sciences of the Republic of Uzbekistan, Navoi, Uzbekistan

Professor, Navoi State Mining Institute, Navoi, Uzbekistan

Associate Professor, Navoi State Mining Institute, Navoi, Uzbekistan

Doctor of Technical Sciences, Tashkent Institute of Chemical Technology, Tashkent, Uzbekistan

Abstract

Structurants Based on Water-Soluble Surfactants for Fixing Mobile Sands and Soils of the Drained Bottom of the Aral Sea

Kuldasheva, Sh.A., Abdurahimov D.X., Mamayusupov S.T., Djurakulova A.K., Choriyeva N.B.

Professor, DSc, AS RUz "Institute of General and Inorganic Chemistry", Tashkent, Uzbekistan

Junior researcher, AS RUz "Institute of General and Inorganic Chemistry”, Tashkent, Uzbekistan

Junior researcher, AS RUz "Institute of General and Inorganic Chemistry", Tashkent, Uzbekistan

Magister, Termez State University, Termez, Uzbekistan

Magister, Termez State University, Termez, Uzbekistan

Abstract

Applications of Nonlinear Electrical Circuits for Control and Energy Efficiency Improvement Electromagnetic Vibration Exciters

Olimjon TOIROV*, Malika KHALIKOVA

* Doctor of Technical Sciences, Professor, Head of the Department of Electrical machines, Tashkent State Technical University, Tashkent, Uzbekistan and Doctor of Technical Sciences, Professor, Chief Researcher of Institute of Energy Problems of the Academy of Sciences of the Republic of Uzbekistan

Tashkent branch of National Research Nuclear University Moscow Engineering Physics Institute, senior lecturer, Tashkent Uzbekistan

Abstract

Method for Accounting for Saturation Nonlinearities of a Magnetic Core of a Bare-Pole Synchronous Machine Using a Mathematical Model

Olimjon TOIROV*, Aziza KHALBUTAEVA

* Doctor of Technical Sciences, Professor, Head of the Department of Electrical machines, Tashkent State Technical University, Tashkent, Uzbekistan and Doctor of Technical Sciences, Professor, Chief Researcher of Institute of Energy Problems of the Academy of Sciences of the Republic of Uzbekistan

Senior Lecturer of the Department of Electrical machines, Tashkent State Technical University, Tashkent, Uzbekistan

Abstract

Study of the Sorption Capacity of SILICA GEL CSL and ZEOLITE CaA

Safarov Jasur, Khayitov Ruslan

Candidate of basic doctorate at Bukhara Engineering-Technological Institute

Doctor of technical sciences (DSc), professor of “Oil refining technology” Department of Bukhara Engineering-Technological Institute

Abstract

Colloidal-Chemical Characteristics of Intercalated Aluminosilicates

Mamataliev Nozim

Institute of General and Inorganic Chemistry, Uzbekistan, Tashkent

Abstract