The grey prediction model provides a new way for predicting the time dynamic numerical array of mine gasemissionrate.
灰色预测模型为矿井瓦斯涌出量时间动态数列的预测提供了一条新的途径。
2
The result shows that the average of absolute gasemissionrate of the working face closes to the cutting speed of the shearer.
研究表明，工作面瓦斯涌出的总体平均水平与工作面采煤推进速度关系密切。
3
The principle of increasing gasemissionrate by long hole blasting in the crossing hole is discussed. The radius cracked zone in coal seam caused by long hole blasting is calculated.