Issn 2181-7200 Ўзбекистон республикаси олий ва ўрта махсус таълим вазирлиги

ENERGETICS, THE ELECTRICAL ENGINEERING, ELECTRONIC DEVICES AND 
INFORMATION TECHNOLOGIES 
Safarov N.M., Obidov A.A. The research of the sizes solar air heater with optical magnifying glass 
61 
Mamasodikova N.Yu., Xonto’raev S.I. Organize the learning process using information and 
communication technologies ................................................................................................................ 
65 
Kasimakhunova A.M., Olimov S.A., Tahir Iqbal, Nurdinova R. The investigation of the main 
properties of photo-processors on the basis of silicon to select the method of production and 
manufacture of high-efficient heterotransferring solar elements ........................................................
69 
CHEMICAL TECHNOLOGY AND ECOLOGY 
Rakhmatov G’, Sobirov М., Оnarkulov К. The effect of leading molecules in the spectra of the 
drying process of fruit vegetable products ................................................................................... 
73 
Zokirov S., Abdukodirov E., Boyturaev S., Saodatov A., Ergashev O., Dexkanov Z. Kinetics of 
regeneration of alcohol from a nitrate-ammonium-calcium solution as a function of temperature 
and pressure ............................................................................................................. 
77 
Usmonova Z., Boyturaev S., Soadatov A., G’oyipov A., Dehkanov Z. Processing of calcium nitrate 
granulated calcium saltpeter ……………....................................................................................…… 
80 
SOCIAL AND ECONOMIC SCIENCES 
Salaev S.K., Tadjiev B.U. Improving of the mechanism of state services for small business 
subjects ......................................................................................................................................... 
88 
Teshabaev A. The Methodological Approaches to Management Improving for Modern Companies
.................................................................................................................................. 
91 
Ashurov M.S., Shakirova Yu.S., Fayzullaev J.I. Some aspects of investition-innovation 
management in the economy of Uzbekistan ................................................................................. 
99 

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