Перегляд Volume 13, Issue 1 по назві

Зараз показуються 7-14 з 14

    • Mineral resources and national economic security: current features 

      Sekerin, V; Dudin, M; Gorokhova, A; Bank, S; Bank, O (National Mining University, 2019-03-30)
      Purpose is to estimate current mineral and raw material complex and its effect on national economic security basing upon determination and analysis of the integrated index. Methods. Eleven countries of the world with the ...

    • Modelling of deep wells thermal modes 

      Bulat, A; Blyuss, B; Dreus, A; Liu, B; Dziuba, S (National Mining University, 2019-03-30)
      Purpose. Investigation of various heat-exchange conditions influence of the tower liquid on the deep wells thermal conditions. Methods. Methods of heat-exchange processes mathematical modeling are used. On the basis of ...

    • Non-destructive testing of rock bolt fastening as an element of monitoring the state of mine workings 

      Skipochka, S; Krukovskyi, O; Serhiienko, V; Krasovskyi, I (National Mining University, 2019-03-30)
      Purpose. To substantiate the informative parameter, to develop the method and equipment for non-destructive testing (NDT) of rock bolt fastening, as an element of geomechanical monitoring of the mine workings state. Methods. ...

    • Prospective tendencies of coal mining risk management 

      Ilyashov, M; Diedich, I; Nazimko, V (National Mining University, 2019-03-30)
      Purpose. The main purpose is to identify underground coal mining risks as well as approaches for their reasonable and efficient management taking into consideration internal production reserves in order to improve technological ...

    • Regularities of hydromechanical amber extraction from sandy deposits 

      Malanchuk, Ye; Korniienko, V; Moshynskyi, V; Soroka, V; Khrystyuk, A; Malanchuk, Z (National Mining University, 2019-03-30)
      Purpose is to analyze the efficiency of hydromechanical amber extraction from sandy deposits relying upon the determined regularities concerning the effect of parameters while carrying out a series of laboratory tests and ...

    • Review of man-made mineral formations accumulation and prospects of their developing in mining industrial regions in Ukraine 

      Petlovanyi, M; Kuzmenko, O; Lozynskyi, V; Popovych, V; Sai, K; Saik, P (National Mining University, 2019-03-30)
      Purpose. Analysis of the man-made mineral formations of ore mining and smelting, fuel and energy complexes development accumulation, location and prospects amount in the Dnipropetrovsk region. Methods. Comprehensive ...

    • Study on low-grade galena-barite ore beneficiation in Khuzdar, Balochistan, Pakistan 

      Raza, M.A.; Bhatti, M.A.; Nasir, S; Bashir, F; Mahmood, Z; Kazmi, K.R.; Hafeez, I (National Mining University, 2019-03-30)
      Purpose. Galena and barite are the principal minerals of lead and barium respectively. Both minerals are used extensively in industries because of their distinct properties. In complex poly metallic ores, it is always ...

    • Variations of physico-mechanical, mineralogical and geochemical properties of marble under the influence of weathering 

      Ogunsola, N.O.; Lawal, A.I.; Saliu, M.A. (National Mining University, 2019-03-30)
      Purpose. To investigate the physico-mechanical, mineralogical and geochemical properties variations of Igbeti marble, south-western Nigeria under the influence of weathering. Methods. About twenty representative samples ...