Навоий давлат кончилик институти ва тошкент давлат техника университети илмий даражалар берувчи

SCIENTIFIC COUNCIL ON AWARDING SCIENTIFIC DEGREES
DSc.17/04.06.2021.T.06.02 AT THE NAVOI STATE MINING INSTITUTE 
NAVOI STATE MINING INSTITUTE 
KHATAMOVA DILSHODA NARMURATOVNA 
IMPROVING THE EFFICIENCY OF MINE COMPRESSOR UNITS BASED 
ON THE IMPROVEMENT OF THEIR COOLING SYSTEM
04.00.16 – Mining machines 
 
DISSERTATION ABSTRACT 
FOR THE DOCTOR OF PHILOSOPHY (PhD) OF TECHNICAL SCIENCES 
 
 
 
Navoi ‒ 2021 
 
 

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The topic of the dissertation of a Doctor of Philosophy (PhD) is registered at the Higher 
Attestation Commission under the Cabinet of Ministers of the Republic of Uzbekistan under 
No.В2021.1.PhD/Т2074. 
The dissertation was completed at Navoi State Mining Institute. 
The abstract of the dissertation is posted in three languages (Uzbek, Russian, English (resume) on the 
website of the Scientific Council (www.ndki.uz) and on the information and educational portal «ZiyoNet» 
(www.ziyonet.uz). 
Scientific supervisor: 
 
 
Abduazizov Nabijon Azamatovich 
Doctor of Technical Sciences, Associate professor
Official opponents:
 
 
Toshov Javohir Buriyevich 
Doctor of Technical Sciences, Professor 
Rayxanova Galiya Eleubaevna 
Candidate of Technical Sciences, Associate professor 
Leading organization:
JSC «Almalyk mining and metallurgical combinat»
The defence of the dissertation will be held on 29 October at 15
00
at the meeting of the Scientific 
Council DSc.17/04.06.2021.T.06.02
 
at the Navoi State Mining Institute. Address: 210100, Navoi, Makhmud 
Tarobiy street, 72. Conference Hall of the Navoi State Mining Institute. Phone: [phone]; fax: 0 
[phone]; e-mail: [e-mail], [e-mail]. 
The doctoral dissertation has been registered at the Information Resource Center of the Navoi State 
Mining Institute under No 76. Address: 210100, Navoi, Makhmud Tarobiy street, 72. Phone: [phone]-
90; fax: [phone]. 
The abstract of the dissertation is distributed on 13 October 2021 y.
(protocol at the register No 37 dated 13 October 2021 y.).