2Methane Emission Law and Emission Quantity Prediction for the Drivage Face of Highly Gassy Zone in Yonggu Coal Mine6-8
7Countermeasures for Lightning-protection of 6(10)kV Power Line in Pingdingshan Coal Mining Area19-20
8Design and Application of Long-distance Power and Hydraulic-fiuid Supply Schemes for Fully-mechanized Mining21-22
9Application of the Machine-mounted High-pressurized Sprayor of the Mining Machine to Dust-laying23-24
10Analysis of the Safety Problem in the Unloading of Model DZ Outside-filled Single-hydraulic Props25-27
12Research into the Gob Air-leakage of Eryuanyihui Fully-mechanized Face and Distribution of the "Three-zones"34-36
13Grasping the Key Link with "5Musts" to Be Well-done and Bringing the 4 Level "Safety the First" Responsibility into Effect40-43
