No. 2 (282) (2024): Visnik of the Volodymyr Dahl East Ukrainian National University

View No. 2 (282) (2024): Visnik of the Volodymyr Dahl East Ukrainian National University

Series "Economic Sciences" and "Technical Sciences"

Published: 2024-09-10

Speciality 131

Nterchangeable spindle heads of machining centers with modernized connecting elements

O.S. Krol, P. Tsankov

5-16
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Research and analysis of the micro-hardness of the finished surface of the rolled shafts

H.L. Melkonov

17-21
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Сalculation of parameters and development of elements of vibrating equipment for free abrasive finishing processing

О.V. Romanchenko, О.М. Lohunov

22-29
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Wear resistance research abrasive granules

Т.О. Shumakova, A.P. Nikolaenko

30-36
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Speciality 133

Features of simulation pressure vessels

R.O. Deineha, V.V. Mykhailiuk, T.L. Romanyshyn, H.Y. Protsiuk, Y.M. Petrushko, R.V. Melnychuk

37-42
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Аnalysis of designs and research of valves sucker rod pump

Y.T. Fedorovych, І.І. Shostakivskyi, V.V. Mykhailiuk, V.R. Protsiuk, A.V. Semenchuk, V.M. Kovtun

43-49
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Specialty 141

2D modeling of magnetic induction in multivariate calculations of matrices of poly gradient electromagnetic separators

J.A. Romanchenko

50-57
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Energy losses in steady-state operating modes of electric drives, energy characteristics and their improvement

Y.S. Rudniev, J.A. Romanchenko, Y.L. Rybalka

58-65
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Speciality 161

On the issue of determining the accuracy of the apparent density of coals to establishingthe outburst hazard of coal seams

Y.S. Rudniev, Е.М. Filatieva, V.A. Popovych, М.І. Antoshchenko

66-69
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Specialty 273

Patterns of deformation of the pneumatic spring of the high-speed rolling stock depending on the internal pressure and the applied external static load

A.Ya. Kuzyshyn, V.V. Kovalchuk

70-77
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Specialty 075

Оptimization of marketing and advertising costs as a means of innovative marketing policy of the enterprise

H.V. Havriushenko

78-85
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