1The Gieseler fluidity characteristics index analysis and how it directed coal-blending coking researchLV Qing-qing, DU Ping, ZHOU Jun-lan1-52Research on rotary drum drying experiments for Huaidong coalYANG Ming, GU Hong-wei, SHAO Xun6-83Coal characteristics analysis of No.13 coal seam in Guizhou Weining county, Jindou exploration areaGUO Jia-yong9-114Characteristics analysis of coal originated from Yemachuan shaft area in Hezhang county, Guizhou provinceCHEN Ming-xue12-13,355Discussion on type selection of low rank coal dryerMA Zhi-guo14-176Research on coal quality control of weathering working faceLIU Min, JI Min, ZHANG Jun18-19,227Research on period of storage and calorific value loss of coalXIAO Min, LIU Zhen-de20-228Research on utilization of creditability management to improve the sampling precision of coking coalLAN Guo-yun23-24,449Existing problems and suggestions in coal contract reviewLI Yan25-2710Application of scientific mining to increase the quality of coal productLIU Da-qing28-3111Discussion on the difference of calorific value between coal as received and coal as fired in thermal power plantLIU Jie-qiong, ZHENG Jian-dong32-3512Discussion on determination of phosphorus in coal applying X fluorescence spectrometryZHI Shun, ZHANG Yun-hong, LIU Li-ping36-38,4713Discussion on the problems related to certificate of reference material of coal physical properties and chemical composition analysisYANG Hua-yu39-4014Research on how low-temperature oxidation affected the coal TG-DSC curveKONG Ling-po41-4415Discussion on the tolerancel in coal test when the particle size was smaller than 3 mmNIU Yu-ping, FENG Li-nan45-4716Research on influencing factors when using Aishika method to determine the total sulfurZHANG Jin-ming, WU Zeng-li48-5017Utilization of shewhart control charts in determination of total sulfur using coulometric methodHU Yue51-52,5618Discussion on heat capacity calibrationDONG Xiu-zhen53-5619Calculation of CO2 emission of standard coalTU Hua, LIU Cui-jie57-6020Experimental research of flocculation effect of slime water with different concentrationLIU Hai-xia, BI Mei-fang, WANG Huai-fa61-63 