实验结果表明：煤研石的综合利用必须依据它的自身的化学组成、结构与工艺性质来确定利用的方向。
Experiment results show: we should make full use of the coal shale according to its own structural and technology nature and the chemical composition.
煤(岩)与瓦斯突出是煤矿严重的自然灾害之一，且是一种复杂的动力现象，是地应力、煤层中的瓦斯压力和煤的结构力学性质综合作用的结果。
Coal (rock) and gas outburst is one of intense natural disaster, is also a complicated and dynamical phenomenon, caused by stress, gas pressure of coal bed as well as coal structure.
煤(岩)与瓦斯突出是煤矿严重的自然灾害之一，且是一种复杂的动力现象，是地应力、煤层中的瓦斯压力和煤的结构力学性质综合作用的结果。
Coal (rock) and gas outburst is one of intense natural disaster, is also a complicated and dynamical phenomenon, caused by stress, gas pressure of coal bed as well as coal structure.
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