焦坪
焦坪-
焦坪矿区是陕西省解放后新建的煤炭工业基地。
Jiaoping mining area is the new-built coal industry base in Shaanxi province after liberation .
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基于煤岩分析、仪器分析及有机溶剂抽提等方法，对焦坪煤进行了系统的煤岩、煤质研究。
This paper deals with petrographic characteristics and coal qualities of Jiaoping coal by means of coal petrologic , instrumental analytical and organic solution extraction methods , and so on .