In order to improve the fine structure inversion ability of igneous rocks for the exploration of underlying strata, based on particle swarm optimization(PSO), w
It has been an established fact that comminution processes, crushing and grinding, are most energy intensive processes which account for more than half of the t
In order to study the stability control mechanism of a concave slope with circular landslide, and remove the influence of differences in shape on slope stabilit
To characterize the pore features of outburst coal samples and investigate whether outburst coal has some unique features or not, one of the authors, working as
To improve the effectiveness of control of surrounding rock and the stability of supports on longwall topcoal caving faces in steeply inclined coal seams, the s