Influence of the hydraulic support's beam length to the caving performance in the fully mechanized top-coal caving face耿建平8-9
Main factors influencing radius definition and pillar leaving in calculation of the strata movement王喜武10-10
Discussion about the reactive compensation in the power supply system with harmonic wave background阎小国, 孙卫东, 王俊13-15
Selection and arrangement of the electric equipment for the belt conveyor in the east main roadway of Sihe mine庞宝良, 冯强, 曹雪松18-20
Upgrading and application of jig machines at the coal preparation plant of No.5 mine in Yangquan李怀念21-22
