1Comparison between international standard and national standard on determination of total sulfur by Coulomb titration methodWANG Qiu-xiang, LI Ying-hua1-4,92Discussion on the design and check coal type in modern coal chemical industryDING Hua5-93Modification experimental study on denitrification of Taixi activated cokeSHENG Ming10-12,154Experimental study on retrofit of burner for 40 t/h vertical pulverized coal fired industrial boilerLIANG Xing13-155Preliminary study on the relationship of caking properties between coal origin and coal metamorphism degreeLI Dong, ZHANG Xue-mei, HAO Jing-yuan, Ma Qing-hua16-206Occurrence and distribution of harmful elements in Hebei seam coal of minor mining areaLI Lan-xin21-24,317Analysis on the quality of imported Indonesia lignite at Xinsha portLIU Ye, CHEN Jie-feng, LAI Zhi-bin, ZHANG Hui25-278Xinjiang Xiheishan opencast mine coal quality characteristics discussionSUN Tian-yu28-319Development and application of imported coal quality information system based on Access databaseZHANG Cai-li, XIANG Zhan-chang, KONG Feng, LIU Meng-lin, YUAN Xiao-ying32-35,4310Numerical statistic method of coal standard material quality controlWANG Lin-li, LI Chun-yan36-38,4711Intelligent management construction study on fuel coal power generation enterprises in fuel whole processSU Yong-jian, ZHENG Guang-qing, MA Lin, CHEN Peng-yu39-4312Design of electrical control system for mechanized coal samplingZHAO Ruo-bing, LIU Jin-guo44-4713Discussion on sulfur iron sulfide in coal determination by titanium chlorideKONG ling-yan, HAN jian-hui48-50,5414Discussion on performance test of a calorimeterZHAI Jia-qi, ZHANG Lei, LIU Ao-hao, LI Guan-long, SHEN Jian51-5415Positive relationship of relatively high density coal and heavy medium coal preparation production density in power coal preparation plantREN Li-qin, MA Tao, LIANG Liao, CHENG Xiang-rui, WU Da-wei55-5916The application of DMST-20 jigging machine in Gucheng Coal preparation plantYANG Da-hai, XIN Xin, YANG Hong-yan, GUO Jia-fa, YAN Ai-hua, LIU Yong-guang, LI Xue-jun60-6517Applicationof Single value-move extremely control chart in jigging coal washing processYIN Hua, WANG Zhan-ming66-6818Measurements on increase of flotation clean coal yield in Jinjia coal mine coal preparation plantAO Guo-tong69-72 