1Investigation on soil quality of solid waste yard in Baotou coal to olefins chemical enterpriseZHAO Longsheng, WANG Yajing, JI Yuning, SONG Zhenyu, ZHANG Kai1-7,122Qualitative and quantitative study on saturated hydrocarbons of coal direct liquefaction heavy oilWANG Qi, LI Wenbo, QU Sijian, MAO Xuefeng8-123Comprehensive resource utilization of desulfurized fly ashCHEN Fuzhong, ZHANG Xin13-19,244Experimental study on the removal of phenol from coal gasification wastewater by complexation extractiontGAO Minglong20-245Application of automatic coal petrography in abnormity diagnosis of coal and coke industryWANG Yue, BAI Xiangfei, ZHANG Yuhong, WANG Yan25-316Discussion on energy saving and environmental protection issues with the structural system establishment of coal supply and demand in ChinaDING Hua, WU Linlin, ZHANG Jing32-35,567Study on remote monitoring system establishment and application research of pulverized coal boilerZHANG Song36-40,478Scheme of coal blending project in Datun cogeneration power plantGU Jianjun41-479Sub-sample layout modeling and application of coal slime samplingZHANG Wei, REN Xiangjun, JI Changshun48-51,7210Research on sliming characteristics of feeding raw coal in Tianzhuang coal preparation plantLI Peiguo52-5611Analysis of coal quality characteristics of Zhaping coal mine in Dafang county of Guizhou provinceYANG Ruiqin, TANG Xiangui57-6112Study on coal quality characteristics of Heidaigou coal mine and Halwusu coal mineLI Fuping62-6713Evaluation of uncertainty of total sulfur in coal by precision methodWANG Jian, YIN Zhiyuan, LV Jiadong, ZHANG Jing68-7214Analysis of determination of the relative degree of the relative degree of oxidation in bituminous coalSUI Yan, FU Kun73-76,8115Research on the application of high ash fusibility tester in determination of coal ashCHEN Xiaodong, LUO Binbin77-8116Research on automatic ignition mode of oxygen bomb calorimeter based on patent analysisZHANG Zhongtao, WU Chengqi, GONG Weiye82-8717Analysis of correlation between ash content and calorific value of single coal and mixed coalZHANG Jing, WANG Ji88-92 