- EXPERIMENTAL RESEARCH AND COMPUTER SIMULATION OF MULTI-CASCADE COMPOSITE TRANSISTORS FOR STABILIZING THE OPERATING MODE OF OUTPUT CASCADES OF RADIO ENGINEERING DEVICES
A.A Yarmukhamedov, A Zhabborov, B Turimbetov · Тошкент давлат техника университети хабарлари · 2019-06-11
Experimental results and computer simulation of multi-stage composite transistors are presented. To study the volt - ampere characteristics of multistage composite transistors, a dialogue computer simulation program…
- THE MECHANISM OF THE CONVERSIONS OF THE PRODUCTS OF THE INCOMPLETE COMBUSTION ON POLIMETALL ADSORBTIONKATALISIS- CHEMOSORBCION SYSTEM
D. N. Musaeva, Murod Eshmuhamedov · Тошкент давлат техника университети хабарлари · 2019-08-02
In article is considered possibility of the catalytic conversion and chemosorption of the products of the incomplete combustion on actuated oxides alkaline, alkaline earth and amphoteric metal and metal with connecting…
- DIAGNOSTIC AN GNOSTIC ANALYSIS OF RANDOM VIBRA SIS OF RANDOM VIBRATION RESUL TION RESULTS IN THE AVIATION GAS TURBINE ENGINES PULSE-WIDTH AUTOMATIC CON TIC CONTROL SY TROL SYSTEMS BASED ON D STEMS BASED ON DYNAMIC GRAPHS AMIC GRAPHS
G Tuganov, C Rakhimov, E Norkulov · Тошкент давлат техника университети хабарлари · 2019-08-02
Studies are often conducted to minimize the effect of vibration on equipment and its mechanisms. Since the engine is the main driving force of all technical objects, vibration is one of the factors hindering its…
- ANALYSIS OF MONI SIS OF MONITORING OF THE A ORING OF THE AT-3 AUTOTRANSFORM TRANSFORMATOR IN T OR IN TashTES MODE
Farxod Isakov · Тошкент давлат техника университети хабарлари · 2019-06-11
The article considers the results of the analysis of autotransformers operation mode monitoring. The time diagram of active load current and oil temperature of autotransformer TashTES AT-3 is established and during one…
- OBTAINING SOME THERMOD AINING SOME THERMODYNAMIC PARAMETERS CONTAINING ME AINING METACRYLATE AND ALL TE AND ALLYL GROUPS CON YL GROUPS CONTAINING IN COMPOSITION
M.I. Abdukakhkharova, A. Ismailov, U Mirzaev, Rovshan Ismailov · Тошкент давлат техника университети хабарлари · 2019-06-11
The article discusses the preparation of some thermodynamic parameters characterizing the final product of complex radical polymerization of amino alkyl acrylate derivatives containing both methacrylate and alkyl groups…
- APPROXIMATION MODEL OF A T TION MODEL OF A TYPICAL MECH YPICAL MECHANICAL OBJEC ANICAL OBJECT WITH DISTRIBUTED PARAMETERS
Andrey Anatolievich Verlan, M.V. Sagatov, D. K. Karimova, U.S. Fayzullaev · Тошкент давлат техника университети хабарлари · 2019-06-11
. The article discusses the method of approximation transformations for the study of a typical mechanical object with distributed parameters. A mathematical description of an object with distributed parameters, which is…
- ANALYSIS AND TRENDS IN THE DEVEL SIS AND TRENDS IN THE DEVELOPMENT OF MODELS FOR T OF MODELS FOR STUDYING THERM YING THERMAL PHYSICAL PROPER SICAL PROPERTIES OF SOLID AND TIES OF SOLID AND DISPERSE SUBSTANCES
A. A. Abdurakhmanov, Aziz Rashidov, M Мakhmudjanov · Тошкент давлат техника университети хабарлари · 2019-06-11
- PROBLEMS OF THE EFFICIENCY OF FIBER OPTIC COMMUNICATION LINES
K Dadamatova, Anatoly Nazarov, Наталія Дмитрівна Герасименко · Тошкент давлат техника университети хабарлари · 2019-08-02
The article presents the results of solving the problem of attenuation of an optical signal in fiber-optic communication lines. Widely used modern technical solutions of intermediate amplification-regenerative nodes of…
- SIMULATION OF A TRAINED TRAINED NEURAL NETWORK OF A FUZZY L FUZZY LOGIC REGUL OGIC REGULATION SY TION SYSTEM BASED ON THE CO STEM BASED ON THE COTTON DRYING PROCESS
S.T. Yunusova · Тошкент давлат техника университети хабарлари · 2019-08-02
The article discusses the modeling of a fuzzy-logical system of regulation of the process of drying of raw cotton. The tasks of overcoming uncertainties arising in the process of operation of technological units at the…
- OBTAINING SOME THERMOD AINING SOME THERMODYNAMIC PARAMETERS CONTAINING ME AINING METACRYLATE AND ALL TE AND ALLYL GROUPS CON YL GROUPS CONTAINING IN COMPOSITION
Kh Akhmedov, Zh.M. Bekpulatov, G. K. Solijonova, N.Z. Sharifova · Тошкент давлат техника университети хабарлари · 2019-06-11
The article discusses the results of studying the material composition and the development of technology for processing gold-bearing sulfide ore samples. The material composition of the ore samples was studied by…
- ANALYSIS OF TECHNOL SIS OF TECHNOLOGICAL POSSIBILI OGICAL POSSIBILITIES OF FERRIC TIES OF FERRIC RECOVERY BY NON-CONVEN Y NON-CONVENTIONAL REDUCING A AL REDUCING AGENTS
P Khayrullaev, U Farmanov · Тошкент давлат техника университети хабарлари · 2019-08-02
The article discusses the results of the analysis of the technological possibilities of iron recovery of iron-containing concentrate by non-traditional restorers. The restoration of iron from its oxide compounds by…
- OBTAINING SOME THERMODYNAMIC PARAMETERS CONTAINING METACRYLATE AND ALLYL GROUPS CONTAINING IN COMPOSITION
M.I. Abdukakhkharova, А. И. Исмаилов, U Mirzaev, Rovshan Ismailov · Тошкент давлат техника университети хабарлари · 2019-01-01
- INFLUENCE OF THE NATURE OF THE GRIND ON TOUGHNESS OF THE PAPER
N Atakhanova, З. Р. Галимова, K Babahanova · Тошкент давлат техника университети хабарлари · 2019-06-11
Influence of the nature of the grind is considered In article on mechanical characteristic of the paper on base cotton with different percent accompaniment of the wheat cellulose. The Known that process of the milling…
- STUDYING OF THE MATERIAL COMPOSITION AND DEVELOPMENT OF THE TECHNOLOGY OF PROCESSING OF GOLD-CONTAINING SULFIDE SAMPLES OF ONE OF THE DEPOSITS OF THE REPUBLIC UZBEKISTAN
Kh Akhmedov, Zh.M. Bekpulatov, G. K. Solijonova, N.Z. Sharifova · Тошкент давлат техника университети хабарлари · 2019-01-01
- THE CORROSION STABILITY INCREASE OF ADHERING COATING UNDER THE PROCESS OF ELECTROCHEMICAL MECHANISM
С. М. Турабджанов, M Lee, Umida Ziyamukhamedova, G Miradullaeva · Тошкент давлат техника университети хабарлари · 2019-12-12
The article discusses the development of organomineral materials for the protection of metal parts of technological machines and structures operating mainly under the influence of an electrochemical environment. A…
- RESEARCH OF TECHNICAL PROPERTIES OF SILICON CONTAINING ANTIPYRENS FOR PRACTICAL APPLICATION IN THE PRODUCTION OF WATER-DISPERSION COATINGS
М. А. Курбанова, D Khamidova, Abduhafiz Tillaev, A. V. Lityaga · Тошкент давлат техника университети хабарлари · 2019-09-18
In the modern world, widely used water-borne paints and varnishes form coatings with high resistance to the action of water and chemicals, good electrical insulation, physico-mechanical and decorative properties…
- DETERMINATION OF PROBABILITY - TEMPORARY CHARACTERISTICS OF COMMUNICATION CHANNELS WHEN TRANSMITTING PRIORITY AND NON-PRIORITY DATA.
Sh Karimov · Тошкент давлат техника университети хабарлари · 2019-09-18
The article discusses the issues of finding the main indicators of the quality of the communication channel in computer networks when transmitting priority and non-priority data at different frame lengths. To solve this…
- CERTIFICATION OF VEGETABLE OILS AND QUALITY CONTROL IN THE TECHNOLOGICAL PROCESS OF PRODUCTION
CH Bekmurotov · Тошкент давлат техника университети хабарлари · 2019-12-12
The article reviewed the certification and quality control of the technological process for the production of vegetable oil. There is a procedure for packaging, quality control of products, determination of quality…
- DEVELOPMENT OF CORRELATION AND REGRESSION MODELS OF ELECTRIC ENERGY INDICATORS OF THE EQUIPMENT WITH CONTINUOUS NATURE OF PRODUCTION
I U Rakhmonov, Numon N. Niyozov, K Li · Тошкент давлат техника университети хабарлари · 2019-12-12
The article presents an analysis of the use of correlation-regression analysis, which is based on the methods of mathematical statistics and probability theory in the study of the power consumption of enterprises with…
- OPTIMIZATION OF MODES OF ELECTR POWER SYSTEMS BY GENETIC ALGOROTHMS
Behzod Pulatov · Тошкент давлат техника университети хабарлари · 2019-09-18
In article discusses issues for solving optimization problems based on the use of genetic algorithms. To date, the genetic use algorithm for solving various problems. Which includes the shortest path search…
- THE APPLICATION OF LSM FOR LONG-TERM FORECASTING OF SPECIFIC FUEL CONSUMPTION BY THE ENERGY SYSTEM OF UZBEKISTAN
Denis Losev · Тошкент давлат техника университети хабарлари · 2019-09-18
The article considers the possibility of using the least squares method (LSM) for long-term forecasting of the parameters of the regime of electric power systems. There is presented least squares method for predicting…
- PROBABILISTIC-STATISTICAL METHODS FOR DETERMINING THE ADSORPTION PEAK DESCRIBED BY THE GAUSS FUNCTION
G.Sh Abidova, Niyaz M. Aminov, O Аvdyakovа · Тошкент давлат техника университети хабарлари · 2019-09-18
The paper reports probability-statistical methods of determination of adsorption peak described by the Gaussian function. The following are presented: diagram of peak determination on excess adsorption functions…
- EFFECT OF IN T OF INTERMEDI TERMEDIATE CONNEC TE CONNECTIONS ON THE TIONS ON THE GENERATOR`S ST OR`S STATIC STABILITY
Safar Shernazarov · Тошкент давлат техника университети хабарлари · 2019-06-11
This article provides the influence of the active, inductive capacitive load on the static stability of synchronous generators and compiled the angular characteristics of the generator power at various loads. When a…
- OPTIMIZATION OF COLOR PERCEPTION PROCESS IN THE PRINT PRODUCT BY THE STEEP CLIMBING METHOD BY BOX-WILSON
Ulbosin Eshbaeva, Illarion Shin, Anvar Djalilov · Тошкент давлат техника университети хабарлари · 2019-08-02
In the article is discussed the optimization of color perception process of printed products by the method of steep climbing in Box-Wilson. There are presented results of experiment planning and statistical modeling of…
- APPROXIMATION MODEL OF A TYPICAL MECHANICAL OBJECT WITH DISTRIBUTED PARAMETERS
Andriy Verlan, M.V. Sagatov, D. K. Karimova, U.S. Fayzullaev · Тошкент давлат техника университети хабарлари · 2019-01-01
- KINETICS OFPYRROLE FORM TICS OFPYRROLE FORMATIONFROM A TIONFROM ACETYLENE, AMMONIA AND AMINES
U. Shokirov, Sadritdin Turabjanov, Rakhimova, F Badriddinova · Тошкент давлат техника университети хабарлари · 2019-08-02
The research findings of the pyrrole formation from acetylene, ammonia and amines varying catalysts and reaction conditions have been studied in the work. The cadmium catalysts developed by us selectively lead to…
- DEVELOPMENT OF A HIGH-SPEED ALGORITM OF NEUROLOGICAL CONCLUSION
Isamiddin Siddikov, D Yadgarova · Тошкент давлат техника университети хабарлари · 2019-06-11
One of the ways to increase the efficiency of the process of managing continuous dynamic objects is to develop new or improve existing control systems based on modern methods involving the achievements of information…
- CALCULATION OF TEMPERATURE OF ROUTINE WATER COOLED IN IRRIGATED LAYERS
Nizomjon Usmonov, Sh Sanayev, Z.A. Yusupov · Тошкент давлат техника университети хабарлари · 2019-09-18
The article describes the developed mathematical model, algorithm and program for calculating the process of cooling the water leaving the evaporative cooler and the final temperature of humid air. The compilation of a…
- DECOMPOSITIONAL METHOD FOR MODELLING AND STUDYING PULSE-WID PULSE-WIDTH AUTOMATIC CON TIC CONTROL SY TROL SYSTEMS BASED ON STEMS BASED ON DYNAMIC GRAPHS
A Kadirov, D Kadirova, А. Д. Назаров · Тошкент давлат техника университети хабарлари · 2019-06-11
Systems with pulse-width modulation are essentially non-linear automatic control systems. The complexity factors of pulse-width systems include multivariable, the multirate nature of the pulse-width modulators work, and…
- PHYSICO-CHEMICAL PROPERTIES OF PHOSPHATE CATION-EXCHANGE RESIN
Umida Sharipova, Khayrulla Pulatov, Rano Nazirova, Б. Ш. Кедельбаев · Тошкент давлат техника университети хабарлари · 2019-12-12
There are investigated sorption and desorption characteristics of phosphate cation-exchange resin among metals: copper, nickel, cobalt, an uranyl-ion depending on pH-environment, the ionic form of cation-exchange resin…
- FACTORS DETERMINING THE CHANGE OF HELIUM CONCENTRATION IN UNDERGROUND WATERS OF UZBEKISTAN AND THE ACCORDING TERRITORIES
M Zakirov, Inobat Agzamova, N. G. Mavlyanova · Тошкент давлат техника университети хабарлари · 2019-12-12
The article presents the results of the analysis of long-term regime observations of change in the concentrations of groundwater of Uzbekistan and adjacent territories. Based on these observations, the main factors…
- ANALYSIS OF TRANSITION PROCESSES IN POWER SYSTEMS WITH HYDROENERGETIC ISTALLATIONS
Obid Nurmatov, Sardorbek Matkarimov · Тошкент давлат техника университети хабарлари · 2019-12-12
This article is presented an overview of hydro mechanical and electromechanical processes. Little attention was paid to the study of these two areas at the same time. The two directions above are the results of a…
- ANALYSIS OF THE USE OF THE ME SIS OF THE USE OF THE METHOD OF H THOD OF HYDROECOL YDROECOLOGICAL MONITORING IN ORDER T ORING IN ORDER TO IMPRO O IMPROVE THE ECOL VE THE ECOLOGICAL CONDITION OF THE HYDROTECHNICAL CONSTRUCTIONS OF UZBEKISTAN
Dong Di, Aydar Nasrulin · Тошкент давлат техника университети хабарлари · 2019-08-02
The article discusses the experience of using the methodology the hydroecological monitoring technique to obtain the results of the analysis of the ecological conditions of hydraulic structures in Uzbekistan. - The…
- PROBABILISTIC CHARACTERISTICS OF PROCESSES IN MODELS OF THE OPERATION OF ROW CROP CULTIVATOR AGGREGATES
Feruza Alimova, Bekzod Primkulov · Тошкент давлат техника университети хабарлари · 2019-09-18
The main agrotechnical requirements for cultivators working between rows are as follows: uniform of rows loosening between rows (stability of depth of loosening), complete destruction of weeds in spacings and rows…
- METHODS FOR RESEARCHING THE LOCALIZATION AND DELOCALIZATION OF CARRIERS IN YBA2CU3O6+X FILMS
Q Bobomurodov, J Razakov, S Bobomurodov, R Shokirov · Тошкент давлат техника университети хабарлари · 2019-12-12
The results of the study of optical absorption of metal films YBa2Cu3O6+x when passing through the film direct current to 100 mA are presented. Analysis of the data indicates that the relationship between absorption and…
- SOLUTION OF THE PROBLEM OF FUEL COMBINATION IN MAINTENANCE
B Tulaev, H. A. Viarshyna, Jakhongir Mirzaabdullaev, J Khakimov · Тошкент давлат техника университети хабарлари · 2019-06-11
In article, the solution of problem of the combined use of fuel in operation is considered. It is shown that during the operation of the gasoline automobile engine the requirement to octane number of fuel changes…
- METHOD FOR PRIMARY PROCESSING OF HERE SILKWORM COCOONS BY USING INFRARED RADIATION AND ELASTIC WAVES
J Safarov, Shakhnoza Sultanova, D Samandarov · Тошкент давлат техника университети хабарлари · 2019-06-11
The article discusses the results of an experimental study of the primary processing of silkworm cocoons. In the laboratory of the department of Tashkent State Technical University a full-scale test was carried out for…
- MATHEMATICAL POWER FLOW MODEL IN AN ELECTRICAL SYSTEM CONTAINING A SERIAL COMPENSATOR THRISTOR CONTROLLED REACTIVE COMPONENT
Misrikhan Misrikhanov, Sh Khamidov · Тошкент давлат техника университети хабарлари · 2019-09-18
A unified mathematical model of the power flow in a system containing a reactive component compensator consisting of capacitor banks connected in series to a thyristor control reactor is presented. The application of…
- AN APPROACH FOR ESTIMATING CRITICAL TEMPERATURES OF BUCLING OF SHALLOW CYLINDRICAL SHELLS
P. S. Grigoriev, Sherzod Ibodulloev, B Poyonov · Тошкент давлат техника университети хабарлари · 2019-08-02
An approach for defining critical temperatures of buckling for a pivotally resting plane cylindrical shell has been considered. Operation in various climatic zones leads to buckling of roof elements of passenger cars…
- PARAMETERS OF COEFFICIENTS OF THE RAIL FOUR-POLE OF THE JOIN THE JOINTLESS RAIL CIRCUI TLESS RAIL CIRCUIT ACCORDING T CCORDING TO LOCOMOTIVE RECEIVER
Ravshan Aliev, Ezozbek Tokhirov, Marat Aliev · Тошкент давлат техника университети хабарлари · 2019-08-02
In article questions of a conclusion of the coefficients of the equations of a rail four-polar of a jointless rail circuit are considered, taking into account uncertainty of borders where the travelling receiver which…
- USING OPTOELECTRONIC NONCON TRONIC NONCONTACT VOLTAGE RELAY IN ELECTRICAL SUPPLY SYSTEMS
Raxmatillo Karimov · Тошкент давлат техника университети хабарлари · 2019-08-02
In the article based on the results of the analysis of the existing opto-thyristor resistive circuits, a new scheme of the optoelectronic contactless voltage relay has been developed and its application in the power…