3Research on Abutment Pressure Distribution Law in Fully-mechanized Caving Face on Top Slice of Hard and Very Thick Seam8-10
8Comprehensive Diagnosis of Auxiliary Shaft Failure by Geophysical Prospecting in Fangezhuang Mine22-24
11Application of Direct Measurement Technique of Coal-seam Gas Content in Gas Drainage and Extraction Effect Evaluation in Zhongling Mine31-33
13Construction and Simulation of Mine Gas Concentration Prediction Model based on BP Nerve Network37-39
14Pilot Study on Coextraction of Coal and Gas and U-type Ventilation in Road Retained for Mining of High Gassy Group of Seams40-42,45
16Analysis on Rock Displacement Law in Fully-mechanized Caving Face of Deep Coal Seam with Large Dip Angle46-47,50
19Research on Complex Dust Control and Dust On-line Monitoring Technology in Fully-mechanized Caving Face53-55
20Study and Practice of Complex Fire Prevention and Control Technology for Inflammable Steep Seam56-58