Науковий вісник НГУ

Content №6 2021




Geology	5

M. B. Nurpeisova, M. Zh. Bitimbayev, K. B. Rysbekov, Sh. Sh. Bekbasarov Forecast changes in the geodynamic regime of geological environment during large-scale subsoil development	5
Doaa T. Fadhil, Mustafa A. Theyab, Aboosh Al-Hadidy Petrographical and microfacies study of Sinjar formation in Bazyan anticline, Sulaimaniyah region (Northern Iraq)	11



Mining	16

S. F. Vlasov, Ye. V. Moldavanov Effect of geological and technological parameters on the convergence in a stope	16
G. Moldabayeva, R. Suleimenova, N. Buktukov, M. Mergenov Improvement of oil field development using enhanced oil recovery methods	23
S. K. Moldabayev, O. O. Sdvyzhkova, D. V. Babets, O. S. Kovrov, T. K. Adil Numerical simulation of the open pit stability based on probabilistic approach	29
V. S. Moshynskyi, V. Ya. Korniienko, Ye. Z. Malanchuk, A. O. Khrystyuk, V. H. Lozynskyi, E. C. Cabana Simulation of amber extraction processes from sandy and clay rocks with stope filling	35
B. Hussan, M. I. Lozynska, D. K. Takhanov, A. O. Oralbay, S. L. Kuzmin Assessing the quality of drilling-and-blasting operations at the open pit limiting contour	42



Solid State Physics, Mineral Processing	49

V. V. Sobolev, O. V. Skobenko, I. I. Usyk, V. V. Kulivar, A. V. Kurliak Formation of converging cylindrical detonation front	49
B. B. Rokhman, N. I. Dunayevska, V. G. Vyfatnuik, I. V. Beztsennyi Co-firing of gas coal dust fine particles and synthetic peat gas. Part 1. Simulation of processes of steam-air gasification of peat in a fixed bed and combustion of dust and gas mix in a stream	57
L. I. Solonenko, S. I. Repiakh, K. I. Uzlov, A. V. Dziubina, S. O. Abramov Sand-sodium-silicate mixtures structured in steam-microwave environment effective values of thermo-physical properties	66



Geotechnical and Mining Mechanical Engineering, Machine Building	72

L. N. Shirin, S. E. Bartashevsky, O. V. Denyshchenko, R. R. Yegorchenko Improving the capacity of mine degassing pipelines	72
G. Akanova, A. Sadkowski, S. Podbolotov, A. Kolga, I. Stolpovskikh Ways to reduce hydraulic losses in multistage centrifugal pumping equipment for mining and oil-producing industries	77
V. P. Shpachuk, M. A. Zasiadko, T. O. Suprun, V. V. Dudko Variation coefficient of torsional vibrations of the connection nodes of vibrating machines	85
I. Kravchenko, Yu. Mitikov, Yu. Torba, O. Zhyrkov New approach to injection of pressurizing gas into fuel tanks of power units	90



Electrical Complexes and Systems	96

M. S. Seheda, P. F. Gogolyuk, Y. V. Blyznak High-frequency periodic processes in two-winding power transformers	96
Le Xuan Thanh, Ho Viet Bun Analyzing and identifying the limits of 660V grid parameters to ensure electrical safety in underground coal mines	101
D. Patalakh, A. Prykhodko, K. Lut, S. Tykhovod Improvement of modeling techniques of transients in transformers based on magnetoelectric equivalent schemes	107



Environmental Safety, Labour Protection	113

R. O. Movchan, A. A. Vozniuk, D. V. Kamensky, O. O. Dudorov, A. V. Andrushko Problems of criminal liability for illegal amber mining in Ukraine	113
S. V. Kotenko, N. D. Maslii, V. A. Kasianova, M. G. Bezpartochnyi, I. I. Nadtochii Optimization of the management system for mitigating the consequences of water area pollution during the crisis	118
Y. A. Kholod, I. M. Pogrebnoy, K. O. Chyshko, D. S. Heta, O. P. Shaituro Protection of public relations in the field of amber mining in Ukraine: legal aspect	124
Milaim Sadiku, Mensur Kelmendi, Sadija Kadriu Assessment of heavy metal pollution of sedimentation in the Sitnica river based on pollution indicators	129
. Blahodarnyi, . Koziakov, L. Strelbytska, . Strelbytskyi Regulatory content of the category “safety of mining works”	137
Esmaeil Pouresmaeili, Arash Ebrahimabadi, Hadi Hamidian Sustainability assessment of an open-pit mine using a new model developed based on Folchi approach	141
N. M. Fialko, R. O. Navrodska, S. I. Shevchuk, A. I. Stepanova Improvement of environmental conditions by applying heat recovery technologies of boiler plants	148
Yu. O. Leheza, O. V. Pushkina, H. V. Iliushchenko, Yu. I. Tiuria Legal regulation of the use of technogenic waste of a mining enterprises in Ukraine	153



Information Technologies, Systems Analysis and Administration	158

D. M. Kozachenko, B. V. Gera, E. K. Manafov, A. V. Gorbova, R. G. Korobyova Improvement of the method for standardizing the duration of rail cars shunting	158



Economy and Management	165

R. H. Snishchenko, L. M. Krot Managing the economic security of enterprises in coopetition	165
Yu. Pylypenko, H. Pylypenko, V. V. Prokhorova, O. B. Mnykh, Yu. V. Dubiei Transition to a new paradigm of human capital development in the dynamic environment of the knowledge economy	170
Y. V. Samusevych, V. V. Novikov, A. Ye. Artyukhov, T. A. Vasylieva Convergence trends in the “economy – education – digitalization – national security” chain	177

https://doi.org/10.33271/nvngu/2021-6

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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.