Перегляд по Автору "Astafiev, D"

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    • Basic concept of mining technology 

      Bondarenko, V; Kovalevska, I; Ganushevych, K; Russkikh, V; Maltsev, D; Mamaikin, O; Lozynskyi, V; Sai, K; Astafiev, D; Malashkevych, D (National Mining University, 2014)
      The materials concerning global importance of mineral resources in the society life, their amount, origin, classification of deposits and economical aspects are presented. Opening and development technologies, mining ...

    • Technological, economic and ecological aspects of selective coal mining from ultra-thin seams in conditions of Ukraine 

      Astafiev, D; Niedbalski, Z; Leschhorn, F; Tymoshenko, Ye (National Mining University, 2016-03-30)
      Purpose. At present one of the topical problems associated with coal seams mining is the issue of induced wall-rock coal-cutting with stone, which results in coal getting clogged with refuse stone and turning into the rock ...