A new - style gasification method of high volatile content soft coal is mentioned in the paper.

笔者提出了一种低变质烟煤新型气化的方法.

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There are of forms of gas discharge , but the form is soft coal seam gas discharge.

目前在瓦斯抽放中急待解决的问题是软煤层瓦斯抽放的打钻技术,尤其是深孔打钻技术.

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In the experiment of apparatus , the reactive speed of soft - coal quickens with the oxygen concentration increasing.

在热天平试验中,烟煤随着氧气浓度的升高反应速度加快.

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The surrounding rock of roadways in soft coal seam has low strength and bad stability.

软煤巷道围岩强度低,稳定性差.

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The combustion characters of petroleum coke were between those of soft coal and anthracite.

石油焦的燃烧特性处于烟煤和无烟煤之间.

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