The water coal burst disaster is characterized by paroxysm, large energy, persistent short time and stronger explosive force, it takes place only under some special background.

水煤体溃泄是一种具有突发性、能量大、持续时间短、爆发力强和损失惨重等特点的发生于特殊背景条件下的矿井灾害。

youdao

The EME index becomes an important parameter for the EME method to forecast the rock and coal burst tendency and danger. The research results lay a good foundation for rock and coal burst prevention.

因此，冲击倾向的电磁辐射指数是电磁辐射预测煤岩冲击倾向性及冲击危险程度的重要指标。

youdao

Many dynamic disturbances often lead to local instability of roadway surrounding rock and mining workplace and result in rock burst in coal mining.

煤矿生产中存在着大量的动力扰动，常导致采矿巷道和采场围岩局部失稳，诱发冲击矿压发生。

youdao

If that hope comes true, the transition from coal to gas will generate a huge burst of economic activity and accelerate the transition to a more sustainable future for humanity.

CNN: Three seeds for America's future economic boom