Науковий вісник НГУ

Content №2 2021

Geology 5
M. M. Roy, O. O. Akulshin, V. V. Solovyov, V. H. Usenko, I. V. Limar The optimal method for assessing gas reserves based on the calculation of gas hydrodynamic parameters 5
M. A. Mizernaya, B. A. Dyachkov, A. P. Pyatkova, A. P. Miroshnikova, Z. I. Chernenko Leading genetic types of base metal deposits of Rudny Altai 11
Mining 17
V. H. Shapoval, O. V. Solodyankin, O. Ye. Hryhoriev, O. I. Dubovyk Determining the parameters of a natural arch while forming support load of a horizontal roadways 17
Solid State Physics, Mineral Processing 26
A. Selegej, V. Ivaschenko, V. Golovko, R. Kiriya, L. Kvasova Coefficient of local loss of mechanical energy of the flow for a ­mixture of charge materials 26
M. V. Chernyavskyy, A. M. Voronov, O. V. Moiseienko, S. H. Duliienko, T. M. Monastyriova Predicting changes in the sulfur content during steam coal preparation and the level of sulfur dioxide emissions when its combustion 32
Geotechnical and Mining Mechanical Engineering, Machine Building 40
F. I. Abramchuk, A. M. Avramenko, A. P. Kuzmenko Investigation on the process of injection of commercial grade and blended fuel in a diesel engine 40
Yu. S. Rud, V. Yu. Bilonozhko New aspects of the methodology for assessing the complexity of the structure of technological systems of the mining and metallurgical complex 47
Refat Mohammed Abdullah Eshaq, Eryi Hu, Ameen A. Alshaba, Aiman A. M. Alsenwi Feasibility study of exploiting gearbox oil temperature of wind turbine for improving a heat pump water heater in cold areas 54
O. M. Dubovoy, A. A. Karpechenko, M. M. Bobrov, O. S. Gerasin, O. O. Lymar Electric arc spraying of cermet coatings of steel 65G-Tic system 63



https://doi.org/10.33271/nvngu/2021-2

pdf version

Visitors

7565214
Today
This Month
All days
5
87700
7565214

Guest Book

If you have questions, comments or suggestions, you can write them in our "Guest Book"

Registration data

ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

Contacts

D.Yavornytskyi ave.,19, pavilion 3, room 24-а, Dnipro, 49005
Tel.: +38 (056) 746 32 79.
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
You are here: Home Home EngCat Archive 2021 Content №2 2021
Copyright © 2024 Науковий вісник НГУ. All Rights Reserved. Designed by JoomlArt.com. Joomla! is Free Software released under the GNU General Public License.