永城煤矿区
永城煤矿区-
永城煤矿区矿井经济环境价值综合评价
Comprehensive Appraisal of Mine Economic-Environmental Value for Yongcheng Coal Mining Area
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在初步估算永城煤矿区的环境成本的基础上，对该矿区某矿井经济环境综合价值进行了评价和分析。
On the basis of estimating the environmental cost of Yongcheng mining area in Henan Province , comprehensive value of economy-environment of a coal mine is appraised and analyzed .
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永城煤矿塌陷区水污染对鲫鱼外周血细胞数量的影响
Changes of the Peripheral Blood Cell Quantity of Carassius auratus in Yongcheng Waterlogged Area Caused by Mining Coal