Перегляд Mining of Mineral Deposits по темі "selective technology of coal extraction, waste-disposal dump, harmful substances emission, worked-out area, coal heat combustion, coal beneficiation, economic effect"
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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 ...