Content №6 2025

Geology 5
P. Baranov, V. Korotaiev, O. Slyvna, H. Bidniak, V. Bidniak The main principles of building gemological classification of raw amber 5
L. Shumlianska, O. Kozionova, O. Topoliuk, V. Vilarrasa, O. Tripilska Assessment of correctness conditionsin kinematic seismic tomography: uncertainty calculation and grid size approximation 13
G. Zhiyenbayeva, K. Kozhakhmet, B. Khamzina, Zh. Yerzhanova, K. Togizov, Sh. Laiskhanov Stratigraphy, correlation, and industrial-geophysical characteristics of the triassic deposits of the Seghendyk depression (Southern Mangyshlak) 23
Mining 35
A. Bondarenko, A. Pavlychenko, O. Shustov, O. Cherniaiev Determination of rational technological conditions for the use of pump dredger suction heads 35
T. M. Almenov, S. K. Moldabayev, R. K. Zhanakova, G. E. Askarova, M. A. Dryhola, K. Amantaiuly Ensuring the stability of slopes and ledges at the Vasilkovsky quarry (Republic of Kazakhstan) 43
Solid State Physics, Mineral Processing 52
V. S. Morkun, N. V. Morkun, S. M. Hryshchenko, Ya. O. Hryshchenko Increasing the efficiency of fine wet grinding of ore using the dynamic effect of ultrasound 52
Geotechnical and Mining Mechanical Engineering, Machine Building 61
I. F. Alrefo, M. O. Rawashdeh, O. Matsulevych, O. Vershkov, S. Halko, O. Suprun Designing passenger vehicle diesel engine cams with enhanced dynamic characteristics 61
O. Yu. Mykhailenko, D. V. Tsyplenkov, O. V. Ilchenko, H. V. Kolomits, V. S. Lazariev Model-based designof a cone crusher adaptive control system 69
Ye. A. Koroviaka, T. M. Lubenets, J. Haddad, V. O. Rastsvietaiev, V. V. Yavorska Justification of coal mines conveyor line parameters 79
L. Tumarchenko, Ye. Vyshnepolskyi, D. Pavlenko Improving accuracy of dual-purpose nylon parts fabricated by fused deposition modeling 88



https://doi.org/10.33271/nvngu/2025-6

pdf version

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 (066) 379 72 44.
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
You are here: Home About the journal EngCat Archive 2025 Content №6 2025