1Study on Space Activity Law of Overburden Strata Above Longwall Coal Mining Face in High Inclined Seam1-52New Backfill Material Applied to High Roof Falling Zone of Ultra Thick Seam Gateway6-8,893Analysis on Cause of Deep Coal and Rock Dynamic Instability in Steep Inclined Seam9-124Study on Fully Mechanized Top Coal Caving Mining Technology of Thick Seam Under Zhanghe Reservoir13-15,675Simultaneous Drifting Gateway Technology of Medium Guide Hole Advanced Excavation for Large Cross Section Open-Off Cut16-196Monitoring and Measuring of Mine Pressure Bumping and Prevention and Control Technology in Huating Mine20-23,797Surrounding Rock Control Technology of Large Cross Section Seam Gateway in Deep Mine24-27,1208Study on Effective Influence Radius of Borehole Air Injection to Remove and Replace Coal Bed Methanes in Seam28-319Study on Gas Migration Law of Goaf Before and After Upper Corner Gas Drainage with Buried Pipeline Conducted32-3510Numerical Simulation on Air Distribution in Mining Goaf with One Intake and Two Air Returning Y Type Ventilation36-38,4111Adsorption Role Affected to Gas Permeable Law of Coal Mass39-4112Optimization and Application on Pressure Balanced Ventilation System of Easy Combustion Fully Mechanized Coal Mining Face42-44,7513Comprehensive Fire Prevention and Control Technology for Fully Mechanized Top Coal Caving Mining Face in Easy Spontaneous Combustion Seam During Face Equipment Withdrawn Period45-47,5114Countermeasures on Stable Economic Operation of Ventilation System in Senescence Mine48-5115Ventilation System Resistance Measurement and Ventilation Plan Optimization of East Mine Ventilation Shaft in No. 8 Mine of Pingmei52-55,3116Study on Mine Cooling Technique Based on Low Temperature Water Spray in Mine Ventilation Shaft56-5917Dust Prevention with Deep Borehole Water Injection and Spalling Prevention with Grouting in Unstable Seam with Soft Roof, Coal and Floor60-6318Practice and Rapid Control Technology of Large Firing Zone in Shallow Depth Seam64-6719Design and Practices on Plan of Sensory Mine Internet of Things for Jiahe Mine68-71,12420Applied Discovery on Cloud Computation of Sensory Mine Internet of Things72-75 