Experimental Study on Relationship Between Firmness Coefficient and Porosity of CoalZHANG Ruilin, WANG Haile1-3
Distribution Laws of Crossing Boreholes Plastic Zone in Coal Seam Gas DrainageSUN Yingfeng, SUN Xiaoyuan, CAO Jialin, SHAO Shengyang, RONG Tao4-6
Effect of DC Pulse Electric Field on Methane Adsorption Characteristics of CoalLIU Chao, CHENG Yongqiang, HE Xiaogang7-9,13
Experimental Study on Triaxial Compression of Coal Containing Methane Under Different Confining PressureDU Yuqin, YUAN Mei, MENG Qinghao, XU Shiqing10-13
Experimental Study on Zhaozhuang Coal Slime Separation by Flotation ColumnZHANG Zhao, ZHANG Hongge, ZHANG Wei17-19
Tectonic Characteristics of Jinhuangzhuang Coal Mine and Its Control on Mine Water and GasSHI Yanru, XU Jinpeng, LIU Jiegang, LI Yanhui20-23,27
Underground Recharge Runoff Discharge Characteristics and Aquifuge Characteristics at Ordovician Limestone Top of Chengzhuang Mine FieldJIAO Yang24-27
Interaction Between Soft Rock and Water in Deep Lower Coal Seam FloorCONG Qianqian, ZHU Shuyun, MENG Hui, WANG Chengtian, XI Xiujun28-30
Bearing Mechanism of Surrounding Rock in Loose and Broken Coal Seam and Its ApplicationSHANGGUAN Shumin, ZHANG Qingshan, GAO Mingshi, YAN Zhenchao31-34
