1Discussion on statistical measurement method of coal yield in ChinaCHEN Ya-fei, BAI Xiang-fei, TU Hua, CHEN Wen-min1-92Discussion on the effencing factors of shaping quality of bituminous coal with high metamorphism degreeLIU Ming-rui, JIANG Ying, WANG Dong-sheng10-133Discussion on coal application and coal quality characteristics of the Wenjiaba No.1 coal mine of Zhina coal fieldTANG Chang-gen14-16,254Analysis on the coal characteristics of No.2 coal mine of HuaQiu in Guizhou provinceFAN Chen, ZHANG Meng-jiang, XU Da-jie17-195Research on coal quality characteristics and explosiveness of Lu'an injection coalLI Hui-ling, CHEN Hong-bo20-226Analysis and assessment on coal characteristics of No.12 coal seam of Youyi CoalmineLIANG Yun23-257Research on the influence of image quality on the vitrinite reflectance determination during coal petrology testZHANG Yu-hong, WANG Yue, BAI Xiang-fei, CHEN Hong-bo, WU Lin-lin26-308Study on the time-temperature rate formula of calorimeter can of isothermal bomb calorimetry and on the influence of room temperature on the determination of calorific value for coalSUN Gang, LI Ting, WANG Li-hua31-349Prediction analysis of failures of mechanized sampling and sample preparation equipmentYANG Yong-cheng35-3910Application of Automatic sample preparation system in Coal sample preparationTAN Jian-jun, ZHANG Dong-lian40-41,4411Discussion on application of video teaching in coal quality analysis trainingZHANG Jin-ming42-4412Measurement of reflectance of vitrinite of coalYU Ya45-4713Analysis on causes of relatively low determination result of organic sulfur in coalWEI Guo-qing, MI Juan-ceng48-49,5214The typical failure analysis on PARR 6300 automatic oxygen bomb calorimeterLIANG Wen-bin, BAO Dong-liang50-5215Discussion on magnetic stirring problem of coulometry sulfur analyzerHUANG De-song, LI Hua-rong, XU Yong53-54,5616System error analysis of Coulomb titration for testing sulfurLIU Dong-xu, LI Yu-bing55-5617Research and application of NGAM-2008 nature ray ash analyzer used in raw coal quality testPENG Yong, ZHANG Jiang-yun, Bai Ren-xuan57-59,6518Coal conversion technology and development trendGAO Ju-zhong, XING Li-bo60-6519Development of clean and efficient coal gasification technologyCHEN Jia-ren66-6820Practice and study on dense medium separation expansion technical innovationZOU Yong69-72 