6Practice on Dealing with Methane-over-limitation on Upper-corner Using Type SZ-4 Methane Drainage Pump Station15-16
9Thermal-status Prediction and Thermal-hazard Comprehensive Controlling Measures in Initial-mining District in Wutong-Zhuang Coal Mine29-31
12Application of Plow to Realize High-productive and High-efficiency on Thin Coal Seam Coal Face38-39
13Preliminary Probe into Spontaneous Combustion Mark Gases on Main-Mining Coal Seam in Pingdingshan Coal Industry Group40-41
15Analysis for the Relation Between Water Storage of Xiaolangdi Reservoir and Mine Flooding Due to Water Bursting44-46