In vitrain bands the density and fractal dimension of fractures related to the thickness and lithotyp...
煤岩结构的研究在预测煤层的渗透性方面有重要意义。
In vitrain bands the density and fractal dimension of fractures related to the thickness and lithotyp...
煤岩结构的研究在预测煤层的渗透性方面有重要意义。
The paper had a coal water mixture test with vitrain coal, bright coal and dull coal from Ningtiaota coal in Shenfu mining area.
选矿区柠条塔煤中的镜煤、亮煤暗煤进行了制水煤浆试验。
The paper had a coal water mixture test with vitrain coal, bright coal and dull coal from Ningtiaota coal in Shenfu mining area.
选矿区柠条塔煤中的镜煤、亮煤暗煤进行了制水煤浆试验。
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