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Content №3 2023

Geology 5
Aigerim Tleubergenova, Gulzada Umirova, Oleksiy Karpenko, Aliya Maussymbayeva Geoelectrical model of the Earth’s crust along the Shu-Sarysu geotraverse according to magnetotelluric soundings 5
Madiyar Aliakbar, Sara Istekova, Kuanysh Togizov, Raushan Temirkhanova Geological structure and oil-and-gas occurrence of Prorva group of the Southern deposits of the Caspian Depression in terms of geophysical information 11
Mining 20
G. Zh. Moldabayeva, G. M. Effendiyev, Z. B. Imansakipova, Sh. R. Tuzelbayeva, S. V. Abbasova Influence of polymer solution concentration and media permeability on the residual resistance factor 20
B. R. Borash, M. T. Biletskiy, V. L. Khomenko, Ye. A. Koroviaka, B. T. Ratov Optimization of technological parameters of airlift operation when drilling water wells 25
O. K. Ishchenko Study on explosion in different cross-sectional shape charge cavity in tensile stress field 32
Tien Trung Vu, Doan Viet Dao Determination of steel arch support distance for roadways under the open-pit mine: a case study at the Mong Duong Coal Mine (Vietnam) 39
Solid State Physics, Mineral Processing 46
M. V. Chernyavskyi, O. Yu. Provalov, Ye. S. Miroshnychenko, O. V. Kosyachkov Converting Slovianska TPP with the central coal pulverizing plant from anthracite to sub-bituminous coal 46
Geotechnical and Mining Mechanical Engineering, Machine Building 54
O. Holovchenko, V. Grigorenko, V. Protsiv Microstructures and mechanical properties of cold rolled pipes with increased small deformation 54
A. P. Dzhus, O. Y. Faflei, R. O. Deineha, L. R. Yurych, M. A. Dorokhov Design of double-shoulder threaded joints of drilling string elements 60
O. I. Meneylyuk, K. I. Bochevar, O. L. Nikiforov Long-term thermal productivity of polystyrene concrete in a new composite wall in a fixed formwork 66



https://doi.org/10.33271/nvngu/2023-3

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ISSN (print) 2071-2227,
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