1Applying Single-hole Steady Flow Pumping Test to Evaluate Hydraulic Properties of Basement Rock Aquifers around Liuzhuang Western Weathering Shafts1-3
4Optimizing Study on Parameters of Top-bottom-soft Working Face by Blasting with Orthogonal Regression Method10-12
5Research and Practice of Gas Control Techniques during Preliminary Extraction of Fully Mechanized Face with Caving Mining13-14,17
12Feasibility Assessment of the First Mining District Threatened by Karst Water in Xingtai Coal Mine31-33
13Probing into Relationship between Dust Removal Efficiency and Air Velocity of Wet Cyclone Dust Collector34-35
15Inquiring into Gas Drainage Technique from Working Face by Low-located Roadway in No.1 Xiejiaji Mine38-40
20Preliminary Study on Development of Occupational Safety and Health Management Informatin System in Pingdingshan No.6 Mine53-54