Determining the starting time of the CO2 injection is the key factor affecting the effect of CO2
injection and CH4 production. This study uses the Panyidong mine in the Huainan mining …

瓦斯灾害是制约我国煤矿安全生产的主要灾害类型, 在当前煤炭精准开采背景下,
如何在工作面尺度实现瓦斯地质分级评价与风险精准识别, 成为保障高瓦斯矿井安全 …

Gas hazard is a main disaster type that restricts the safe production of coal mines in China.
Under the cur-rent background of precise coal mining, the effective gas geological …

In this study, coal and gas outbursts are the “biggest killer” of mine safety production. With
the deepening of mining, the mine gas disaster is becoming more and more serious. From …

瓦斯既是煤矿灾害的致灾因素之一, 又是重要的清洁能源, 厘清煤系变形瓦斯赋存规律是煤矿
瓦斯灾害预防和煤层气高效开发的基础. 以华北煤系为研究对象, 以构造演化及控制为主线 …

Gas is not only one of the important disaster-causing factors in coal mines, but also an
important clean energy. Understanding the deformation characteristics of coal measures …