Methane is inflammable and explosion hazard gas as the basis of mash gas, firedamp and rock gas.
甲烷作为瓦斯、天然气、沼气等的主要成分，是易燃易爆气体。
Above 80% organic matters are transformed into firedamp, and the whole process of wasted water treatment is done.
使80%以上的有机物转化为沼气，完成废水处理过程。
It is to popularize firedamp pool actively, change bavin burning a red-letter day, protect silvan natural resources.
二是积极普及沼气池，改燃节柴，保护森林资源。
The ammonia comes from firedamp fermentation has been determined by ammonium-gas-sensitive electrodes with satisfactory results.
本文提出用氨气敏电极快速测定沼气发酵中氨的方法。
The test results indicate that long hole blasting in the crossing hole can improve the suction quantity of firedamp effectively.
理论研究和试验都表明 ，采用爆破方法可以增加瓦斯?。
The ammonia comes from firedamp fermentation has been determined by ammonium - gas - sensitive electrodes with satisfactory results.
本文提出用氨气敏电极快速测定沼气发酵中氨的方法。
The actual processes of firedamp explosion in coal mines involve a catastrophic processes occurring in air conditions of underground coal mines.
煤矿发生瓦斯爆炸的过程实质是井下气体状态发生突变的过程。
Firedamp flame propagation rules under obstacles are researched during the gas explosion process. The results show that obstacles have an important affection to the gas flame propagation speed.
该文对存在障碍物的瓦斯爆炸过程中的火焰传播规律进行了研究，结果表明：障碍物对火焰的传播速度具有重要影响。
Firedamp flame propagation rules under obstacles are researched during the gas explosion process. The results show that obstacles have an important affection to the gas flame propagation speed.
该文对存在障碍物的瓦斯爆炸过程中的火焰传播规律进行了研究，结果表明：障碍物对火焰的传播速度具有重要影响。
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