1Discussion on characteristic index and effect validation of cohere ability of active matters in different rank coalZHAO Jun-guo, ZHANG Bo, WANG Jin-xiang1-52Analysis and evaluation of coal characteristics of C6-1, C7 coal-bed in Wangjiaba Coalmine, Bijie CityGAO Jun-bo, WANG Huai-hong, CUI Yu-chao, TENG Zi-jun6-103Discussion on the problems and suggestions of the current coal importHU Wen-tang, CHEN Qi-xin11-13,554Practice and exploration on coal quality management in Chongqing Nantong Mining Corporation Ltd.DENG Jun14-165Application of coal quality data analysis on product structure of coalmineLI Yu-mei, TIAN De-hui17-196The application of γ-ray rapid detection technology in commercial coal quality managementZHAO Zhao-jun, WANG Chuang20-227The practice of coal quality management in Huainan Gubei Coal Preparation PlantJIN Lin-hua23-25,288Discussion on the education and training of coal analyzer in Tianzhuang Coal Preparation PlantWANG Li-shun, SUN Xiao-hua, LI Jian-wu, TIAN Hui26-289Experimental study on coking and chemical production recovery of different coalPEI Xian-feng, ZHANG Yang, BAI Xiao-yan, SUN Hui-qing, WANG Yan29-31,3510Study on the influence on the compressive strength and shear strength of the tamping coal cakeLU Li, SHANG Tie-cheng, ZHAO Qi32-3511Discussion on the tamping coking process and tamping machine transformationLI Xiu-min, ZHANG Xiao-lin36-37,4912Discussion on the applied effect of mechanical sampling in Shenhua Guohua Energy Investment Limited CompanyZHOU Ning, LIU Liang38-4213Discussion on the determination of calorific in low calorific value sapropelic coalMAO Xiang-ming43-4414Discussion on application of automatic moisture analyzer on the total moisture determinationLAN Juan, LI Wen-jun, XU Yong45-46,5215Discussion on improving the accuracy of grindability index determination of coal by Hardgrove MethodSHI Yan47-4916Discussion on application of moisture instrument on the determination of air dried basis moisture of coal sampleXU Jun-hong50-5217Analysis on the influence factors on the accuracy of caking index determination of coking coalZHANG Nan, SHI Yu-kui, DONG Jian-she53-5518Application of non-constant temperature thermal analysis in research on pulverized coal combustion KineticsHOU Fang-zhen56-57,6119Research on the the present situation of flotation in coal preparation plant in ChinaZHANG Yan-fei, SHEN Li-juan, CHEN Jian-zhong, ZHANG Tie-fan58-6120Discussion on the monitoring measures of the non-pressured-feed three-product dense-medium cyclone processZHU Jia-yao, LI Tao, SUN Ming-hua, ZHANG Hong-ling, HUANG Shu-quan, LIU Tao62-65 