Application of fisher discriminant method in goaf collapse prediction .

费歇判别分析方法在采空区塌陷预测中的应用。

Calculated horizontal displacement for goaf drainage borehole .

地表瓦斯抽放钻孔水平位移计算。

Prediction of underground goaf collapse based on distance discriminant analysis method .

基于距离判别分析法的采空区塌陷预测。

Study on large goaf management and its monitoring scheme design .

特大采空区处理及监测方案设计研究。

Two-phase miscible diffusion model and its solution between gas in goaf and atmosphere .

采空区瓦斯与大气两相混溶扩散模型及其求解。