1Analysis on preparation of reference sample of trace elements in coal and its homogeneity and stability studyZHANG Heng, MI Fei, GAO Jian-wen, ZHAO Xiu-hong, ZHANG Bo, WANG Jie-lin1-42The stability study on coal spontaneous combustion tendency sampleXING Xiu-yun5-73Study on rational deployment of sampling machine of coal fired generating unitTAN Jian-jun, ZHANG Dong-lian, LUAN Wen-li, ZHANG Liang8-124Formulation and adjustment of sampling scheme for feed coal in power plantLI Hai-rong, WANG Feng-tao, ZHANG Tai-ping13-15,275Discussion on how to implement mechanized coal sampling at high flow of coal transportationYANG Yong-cheng, YAN Shu-sheng16-186Assessment of the uncertainty of coal ash testing results for batch coalZHAO Li-jiang, ZHANG Jun-hua19-237Calculation mathematical model analysis of net calorific value of Guizhou anthracite coal based on multiple linear regressionLU Chao, QIN Ling, ZHANG Lei, ZENG Bin, LI Xiao-jiang24-25,388Precision determining of train mechanical sampling device in JinjiyanTANG Jing26-279The analysis on influencing factors arsenic measurement in coal through arsenic molybdenum blue spectrophotometric methodCHEN Hui-zhu28-29,4110The application of Coulomb analysis method in coal testingCHEN Wei-qing30-3311Experience and discussion on determination of coal spontaneous combustion tendency using chromatography oxygen absorbing determination methodZHANG Jin-jing34-35,4612Discussion on how the activated carbon affected the weak reducing atmosphere in coal ash fusibility testYANG Hai-sheng36-3813Analysis on test deviation of a calorimeterWANG Jun, SHEN Chao-feng, BAO Jun, HU Xian-hui39-4114Coal quality characteristics analysis of an exploration area in Yong-Long mining area of Shanxi provinceLIU Shan-de42-4615Microstructure research of Luning coalWANG Xiu-ping47-4916Discussion on bias test method of mechanical sampling deviceWANG Liang-dong, LI Chun-yan50-52,5817Feasibility analysis of semi-water gas production using briquette made from high sulfur low ash coal in UGI furnaceZHAO Wei53-54,6418Industry application of gasification coal water mixture concentrage technology by grade grindingHUO Shuang-hong, ZHANG Yao, XIAO Jian-hua, ZHANG Fu-guo, QIAO Shuai55-5819The applicability analysis of burning Indonesian coal in small efficient pulverized coal fired boilerWANG Zhong-hui, MA Wen-jin, LI Hui-qiang, MA Wei-wei, LIU Wen-xin59-6120Study of how granularity affected explosiveness of low-order injection coalXIN De-xiang, CHE Tao, CHEN Hong-bo, ZHENG Yi, MENG Fan-cai62-64 