Content №4 2021

Geology 5
Y. V. Ponomareva, M. V. Ponomareva, A. V. Sadchikov, N. V. Zhelayeva A model of the tectonic development of Irtysh shear zone in terms of present day radioisotope data 5
Mining 10
I. A. Salieiev, V. I. Bondarenko, H. A. Symanovych, I. A. Kovalevska Development of a methodology for assessing the expediency of mine workings decommissioning based on the geomechanical factor 10
I. I. Chudyk, Ya. M. Femiak, M. I. Orynchak, A. K. Sudakov, A. I. Riznychuk New methods for preventing crumbling and collapse of the borehole walls 17
B. Yu. Sobko, O. V. Lozhnikov, M. O. Chebanov, V. A. Kardash Substantiating rational schedule to load trucks using draglines while mining a pit of Motronivskyi MPP 23
Solid State Physics, Mineral Processing 29
A. V. Bublikov, P. I. Pilov, N. S. Pryadko, Yu. A. Papaika, K. V. Ternova Automatic control of jet grinding on the basis of acoustic monitoring of mill operating zones 29
M. Bourourou, A. Bouzenzana, T. Batouche, A. Benselhoub Composition and processing of sulphide lead-zinc ores from Chaabet El-Hamra mine (Setif, Algeria) 35
L. I. Solonenko, S. I. Repiakh, K. I. Uzlov, I. Mamuzich, O. P. Bilyi, T. V. Kimstach Water resistance of structured sand-sodium-silicate mixtures 41
V. V. Sobolev, O. S. Kovrov, M. M. Nalisko, N. V. Bilan, O. A. Tereshkova Compound physical and mechanical effects stimulating metastable diamond formation 47
Ye. O. Mishchuk, I. I. Nazarenko, D. O. Mishchuk Definition of rational operating modes of a vibratory jaw crusher 56
Geotechnical and Mining Mechanical Engineering, Machine Building 63
H. Nazarenko Analytical and experimental assessment of screw centrifugal pump at improving its design 63
Tariq Al-Azab, Jamil Haddad, Fadi Alfaqs Investigation of the effect of several parameters on the applicability of magnetic separation method 69
O. M. Pihnastyi, S. M. Cherniavska Analysis of stress in the conveyor belt (Maxwell–element model) 74
F. A. Mansour, M. Ould-Hamou, A. Merchichi, O. Gven Recovery of iron and phosphorus removal from Gara Djebilet iron ore (Algeria) 82
Environmental Safety, Labour Protection 89
M. Sadiku, S. Kadriu, M. Kelmendi, D. Ibishi Research into ecological status and the degree of heavy metal concentration in the waters of the Drenica river (Kosovo) 89
V. Fatkhutdinov, L. Yarmol, T. Musiiets, O. Lagovska, I. Kryukova State regulation of environmental safety 96
Information Technologies, Systems Analysis and Administration 103
V. S. Morkun, I. A. Kotov Knowledge base formation for automation of dispatch control over power systems of the mining and metallurgical complex 103
Economy and Management 110
K. Bagatska, T. Batrakova, H. Silakova, N. Klymash, O. Vialets The enterprise capital structure management model 110
H. Blakyta, O. Bogma, O. Bolduieva, V. Lukyanov, I. Shtuler Modeling enterprises’ economic security in crisis conditions 116
K. Ingram, V. Nitsenko Comparative analysis of public management models 122
I. A. Korkhina, V. O. Petrenko, V. L. Khomenko, V. O. Kulyk Formation of an optimal portfolio of venture projects 128
Ye. V. Kylnytska, S. V. Gluhova, O. M. Kitchenko Methodological approach to the credit worthiness estimation of counterparties at mining enterprises 133
O. Y. Makarenko, N. A. Makarenko, O. V. Nazymko, Y. O. Hromenko, K. O. Nesterenko Problematic issues of criminal prosecution for the illegal extraction of mineral resources 139
A. N. Lysenko, V. V. Shendryk, K. O. Cherevko, O. M. Drozdov, V. H. Piadyshev Scrap metal procurement and operations with it: today’s criminal situation 145
A. Viknianska, D. Kharynovych-Yavorska, M. Sahaidak, A. Zhavoronok, V. Filippov Methodological approach to economic analysis and control of enterprises under conditions of economic systems transformation 150
O. Liuta, S. Lieonov, A. Artyukhov, M. Sushko-Bezdenezhnykh, O. Dluhopolskyi Student survey as a tool for quality assurance in higher education: the case of Ukrainian university 158
L. Trachenko, L. Lazorenko, Ye. Maslennikov, Yu. Hrinchenko, I. W. E. Arsawan, V. Koval Optimization modeling of business processes of engineering service enterprises in the national economy 165
E. A. Fedorova, Yu. I. Grishchenko, A. V. Grishchenko, P. A. Drogovoz Evaluation of information disclosure in annual reports of extractive industry companies 172
T. V. Kuvaieva, K. P. Pilova Forms of organization of production activity of enterprises in terms of probabilistic nature of demand 177

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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.


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