1Discussion on issues related to statistical measurement of commercial coal in ChinaCHEN Ya-fei, TU Hua, CHEN Wen-min1-72Study on the occurrence of alkali metals in high sodium Xingjiang coal by sequential chemical extractionYANG Ming, CHEN Ming-hua, GU Hong-wei8-113Report and check with accept of quality coal for power generationDU Fei12-14,194Analysis and evaluation on coal petrography and coal quality characteristics of Tengda coalmine, Hezhang county, Guizhou provinceDING Sheng-rong15-195Application of coal quality technology in coal marketingLIU Yu20-21,666Analysis on how totoal moisture deviation affected the profits of power plantHE Shi, LI Ai-xin, WANG Peng22-247Experimental study on the testing systematic accuracy of carbon dioxide of the carbonate in coalWANG Qiu-xiang27-31,638Discussion on determination of total sulfur in coal by Eschka-Ion chromatographyXUE Cheng32-369Study on Determination of total moisture in coal under the condition of different particle sizeLIU Huan-kun, ZHANG Quan-jun37-40,4310The application of automatic sample preparation system at central part of belt in Daizhuang coal preparation plantWANG Shi-chen41-4311Technological transportation of actual application of bridge-style car sampler in Xukuang coal power plantYUAN Ai-ping44-4512Discussion on operation and maintenance of LECO S-144DR sulfur analyzerFENG Li-mei, PEI Bin46-4913Application in coal sample preparation process of SDVD 3mm wind dryerLIU Zhen-xi50-5114The influencing factors of determination of carbon and hydrogen in coal using BCH-1 semi-automatic carbon and hydrogen analyzerJIA Ai-li52-5315Research on how the temperature and pressure affected the pyrolysis of coalLI Xiao-liang, YANG Zong-ren, TANG Nan, CHENG Zhang-yuan54-5616Analysis on applicationon of coarse coal and impurity removal sieve-bend screen in Gengyang coal preparation plantMA Rui-ping, LUO Na, LI You, ZHAI Chun-lei57-6017The influence of using quick lime and polyacrylamide together on flotationZHU Yong-wang61-6318Practice of medium recovery in Tucheng coal preparation plantLI Hong, CHEN Liang64-6619Discussion on how to enhance the technological transformation of coal preparation plant and control of production process to reduce the consumption of mediumSUN Ying-lin, YUAN Hong-qi67-6920Flocculating settling contrast tests of two types of flocculants in slime waterWANG Hong-yan70-72 