Перегляд Mining of Mineral Deposits по темі "селективная технология добычи угля, породный отвал, выброс вредных веществ, выработанное пространство, теплота сгорания угля, обогащение угля, экономический эффект"
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Technological, economic and ecological aspects of selective coal mining from ultra-thin seams in conditions of Ukraine
(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 ...