2Influence of the hydraulic support's beam length to the caving performance in the fully mechanized top-coal caving face8-9
3Main factors influencing radius definition and pillar leaving in calculation of the strata movement10-10
5Discussion about the reactive compensation in the power supply system with harmonic wave background13-15
7Selection and arrangement of the electric equipment for the belt conveyor in the east main roadway of Sihe mine18-20
8Upgrading and application of jig machines at the coal preparation plant of No.5 mine in Yangquan21-22
14The research of supporting technology of the tender coal seam workings in deep seam in Nantun Colliery33-35
15Measurement in construction of high-rise or multi-story building and observation on building's subsidence and inclination36-37
16Ideas for increasing top-coal recovery coefficient of the fully mechanized sub-level caving face38-39
17Technology for underground water drainage to decrease water pressure and prevent water inrush at Gaocheng mine40-41
18The technology improvement and application of mine-use explosion suppression soft-starter for belt-conveyor42-44
