1The theoretical study on loss rate of top coal and quantitative characteristics of piled wasteYAN Shao-hong, ZHANG Hui-jun, LIU Quan-ming, XU Gang, YIN Xi-wen, XU Hong-jie1441-14452Experimental investigation into mechanical characteristics of surrounding rock with different mining thicknessesYANG Ke, XIE Guang-xiang, CHANG Ju-cai1446-14503Research on the guided wave reflecting from the upper interface of partially grouted rock boltHE Wen, WANG Cheng, NING Jian-guo, TANG Yong-gang1451-14554Reliability of dragline stripping and semi-continuous mining coal system under the thick overburdenCAI Qing-xiang, ZHOU Wei, PENG Hong-ge, CHEN Yan-long, CHEN Shu-zhao1456-14595Seepape-stress coupled model of heterogeneous and random fractured rock massZHANG Chun-hui1460-14646Equivalent-trapezoid method of average temperature calculation for multi-row-pipe straight frozen soil wallHU Xiang-dong, HE Ting-xiu1465-14697The new measuring method for distance of the gas drainage hole and seam permeabilityQU Xian-chao1470-14748Oxidation of coal mine ventilation air methane in thermal reverse-flow reactorZHENG Bin, LIU Yong-qi, LIU Rui-xiang, GAO Zhen-qiang, MENG Jian1475-14789Effect of the concentration of Al (OH)_3 ultrafine powder on the pressure of methane explosionWEN Hu, WANg Qiu-hong, DENG Jun, LUO Zhen-min1479-148210A new method to predict the coal spontaneous combustion zone in goaf: the application of CFD technologyWANG Jun-feng, WU Jian-ming, JIN Zhong-ming1483-148811Predicting limit parameters of coal self-ignition based on support vector machineMENG Qian, WANG Hong-quan, WANG Yong-sheng, ZHOU Yan1489-149312Simulation analysis of GPS cycle-slip detection based on lifting waveletGAO Yong-mei, OU Ji-kun1494-149813"Geology-electricity-temperature" multi-parameter synthesized leading detection technology and applicationsHAN De-pin1499-150614Predicting aquifer porosity of coal mine by impedance inversionZOU Guan-gui, PENG Su-ping, ZHANG Hui, ZHANG Kai, SHI Su-zhen1507-151115Seismic multi-attribute analysis based on RGB color blending technologyLI Yan-fang, CHENG Jian-yuan, ZHU Shu-jie, WANG Cheng1512-151616Application of multiple correspondence analysis for hydrochemistry characteristics of groundwater in Panyi Coal MineMA Lei, QIAN Jia-zhong, ZHAO Wei-dong, ZHANG Chun-lei, PAN Jing1517-152117Processing of coal liquefaction recycling solvent substituted partially by petroleum FCC heavy productsZHAO Peng, ZHU Xiao-man, ZHANG Xiao-jing, LI Wen-bo, MAO Xue-feng1522-152618Properties and effects of process solvent of direct coal liquefaction in PDU test runsWU Xiu-zhang, SHU Ge-ping1527-153019Oxidation of calcium sulfite in the citric acid-enhanced limestone flue gas desulfurization systemLIU Sheng-yu, GAO Jin, XIAO Wen-de, YE Zhi-xiang, XU Cheng-hua1531-153420Coal classification based on environmental protection and burning qualityZHAN Shui-fen, ZHANG Xiao-chun, MA Chun1535-1539 