CALCULATION OF THE MAIN DESIGN PARAMETERS OF A FAN SPRAYER WITH A DOUBLE NOZZLE
The results of calculations of the main design parameters of a fan sprayer with a double nozzle for low-volume spraying of plants, as well as the indicators of its field tests, are presented....

Actual problems in modern technical sciences / 2024 / July

Matchanov Rafik Doschanovich, Yuldashev Azamat Ismailovich

Volume 8 | Issue 7

3 July 2024, 21:50

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АUTОMАTIС SUMMАRIZАTIОN ОF TEXT IN UZBEK LANGUAGE USING KEYWОRDS
Text summаrizаtiоn is а tаsk in nаturаl lаnguаge рrосessing thаt invоlves using а соmрuter tо сreаte а соndensed versiоn оf а given text. The result thаt is рrоduсed is knоwn аs а summаry, аnd it оught tо be а fаir reрresentаtiоn оf the entire text—thаt is, it оught tо inсlude the mоst сruсiаl...

Actual problems of Mathematics, Physics and Mecanics / 2024 / July

Bekсhаnоv Shukurlа Kurbаnbаyeviсh

Volume 8 | Issue 7

3 July 2024, 21:50

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PECULIARITIES OF (Ge2)0,02(ZnSe)0,03(GaAs)0,95 SOLID SOLUTIONS PREPARATION AND THEIR PHOTOELECTRIC PROPERTIES
The results of studies of photoelectric properties of epitaxial layers of new solid solutions (Ge2 )0,02(ZnSe )0,03(GaAs)0,95 and structures based on them obtained by liquid-phase epitaxial method are presented. Photosensitivity is observed in the spectral range of 1.38÷2.58 eV, indicating the...

Actual problems of Mathematics, Physics and Mecanics / 2024 / July

Alijon Razzokov, Maxbuba Sotimova

Volume 8 | Issue 7

3 July 2024, 21:50

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INNOVATIVE APPROACH TO MATHEMATICAL MODELING OF LEARNING PROCESSES AS AN OBJECT OF DIGITAL TECHNOLOGY (using advanced training as an example)
The article considers the applied problem of digital technology of the learning process, using the example of a university. A mathematical model of the problem has been developed using system analysis and elements of set theory. A computational algorithm for solving the problem has been created,...

Actual problems of Mathematics, Physics and Mecanics / 2024 / July

Jurakulov Tolib, Isroilova Lola, Sadullayeva Maftuna

Volume 8 | Issue 7

3 July 2024, 21:50

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THE METHOD OF CALCULATION AND ANALYSIS OF THE OBTAINED RESULTS IS BASED ON NUMERICAL MODELING OF THE DEFORMATION PROCESSES OF TEXTILE THREADS
The creation of experimental methods for calculating and analyzing the results significantly increases the efficiency of the software package for numerical simulation of deformation processes on modern computers. In this paper, a method for calculating and analyzing the results obtained on the...

Actual problems of Mathematics, Physics and Mecanics / 2024 / July

Adizova Aziza Jo‘raqulovna, Mavlanov Tulkin

Volume 8 | Issue 7

3 July 2024, 21:50

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AGRICULTURE IS A PRIORITY SECTOR OF THE NATIONAL ECONOMY: PROBLEMS AND SOLUTIONS
This article analyzes the role of the republic’s agriculture in the national economy. Attention is also paid to the reforms being implemented today in agriculture. Based on the content of the Agricultural Development Strategy of the Republic of Uzbekistan for 2020-2030, analytical data was...

Actual problems of Natural Sciences / 2023 / September

Khidiraliyev Komil Esanovich, Madrakhimova Zulfiya Nurmatovna

Volume 7 | Issue 7

15 September 2023, 21:50

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A NEW MODEL FOR CALCULATING THE TOTAL CURRENT IN A TUNNEL DIODE
In this work, a formula is derived for calculating the total current generated in a tunnel diode under the influence of a microwave field and a magnetic field. In addition, the dependence of the total current of the tunnel diode on the total power induced by the microwave field is theoretically...

Actual problems of Natural Sciences / 2023 / September

Uktamova Munira Komiljon qizi

Volume 7 | Issue 7

15 September 2023, 21:50

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EFFECT OF MAGNETIC FIELD ON VOLT-AMPERE CHARACTERISTICS OF P-N JUNCTION DIODES
The change in the current-voltage characteristics of diodes with a p-n junction is compared under various external influences. The reason for the low current at high voltages on the diode is explained precisely under the action of a magnetic field. An increase or decrease in the width of the volume...

Actual problems of Natural Sciences / 2023 / September

Majidova Gulnoza Nurmuxamedovna

Volume 7 | Issue 7

15 September 2023, 21:50

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EVALUATION OF THE REACTION OF UREA WITH OSUBSTITUTED AROMATIC AMINES USING QUANTUM CHEMICAL CALCULATIONS
In our research, quantum chemical calculations of the ability of osubstituted aromatic amines to react with urea were carried out in the SPK-DZP basis set of the GAMESS program, and compared with experimental results, the range of amines' reactivity, mechanism and relative activity was...

Actual problems of Natural Sciences / 2023 / September

Soporboev Zokir, Eshchanov Khushnudbek Odilbekovich, Dushamov Dilshod Azadovich

Volume 7 | Issue 7

15 September 2023, 21:50

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SYNTHESIS AND CRYSTAL STRUCTURE OF THE Zn (II) ION COMPLEX WITH PARACETAMOL AND GLYCINE
This article discusses the synthesis of the complex compound [Zn (L1)2(Gli)2] .2H2O (L1-paracetamol, Gly-glycine amino acid) and its crystal structure. At the same time, the dependence of the reaction yield on time, temperature and concentration of reagents was also studied. The synthesized...

Actual problems of Natural Sciences / 2023 / September

Khalillayev Murad Mukhamadsharifovich, Azizjanov Khushnud Maxsudovich, Khasanov Shodlik Bekpulatovich, Khudoyberganov Oybek Ikromovich, Abdullayeva Zubayda Shavkatovna

Volume 7 | Issue 7

15 September 2023, 21:50

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