1Theoretical study of four zone division of mining floorSHI Long-qing, SONG Zhen-qi241-2452Review on study of Pan-decsion analysis theory of water inrush forecast through coal bottom layer in mining work faceJIN De-wu246-2493A method for safely opening outbust seam in Dengcao coal mineYUAN Zhan-guo, LI Guo-chen, ZHENG Guo-bao250-2534The test of parameters of the full length expansive plastic anchorGAO Jin-hai254-2575The application of cutting explosive method of discarding cinder in deep-breast-hole in section coal bin constructionLI Nan, TIAN Ya-jun, WU Tie-jun258-2616Ultraonic detection of vertical shaft grouting qualityHUANG Xiao-guang262-2657Transporting Concrete Technique by sliding cement pipe for deep shaftLI Yin-qiao, ZHEN Xin-hua, WU Shu-li, LAN Yu-sheng266-2698Determination of the temperature in the directly buring technology of heating pipesLIAO Ming-cheng, GENG Yun-gui, WANG Qin-ting270-2729Researches on the planning of tidying, reclaiming and exploiting land resource in XinxiangZHANG Zi-ping, LIU Wen-kai273-27710Analysis on the type and feature of non-continuous deformation and damage of ground surfaceJIA Mao-xin, GUO Wen-bing, CHEN Jing-nian278-28011The method of stakeout of circle curve in intersection of roadHUANG Ming-jiang, YUAN Dong-fang281-28312Error correction of electromagnetic telemeter on boundary measureMA Bao-qing, He Yi284-28613Optimization design of classical V-belt drivingQU Shao-min287-29014Improvement on the structure of the type of DZ28 external injection sigle -body hydralic supports291-29215The design of portable test instrument on SO2XU He-li, WU Bing, XIE Bao-rui293-29516A few methods of solutions to the problems of the complex circuitsWEN Hui-qiang296-29717Improvement on the sewage treatment systematic technigque for gas plantsGUO Feng, JI Jun-hong, HUO Peng, LI Yu-min, LI Wen-ge298-30018Studies of the methods for eliminating the peculiar ordor smell in refined saltHAN Xing-xia301-30419Calculation and analysis on the movement effect of Pingxiang Coal Group's industrial structureYANG Chang-hui, LI Zhan-jun, ZENG Qi305-30820Supercritical fluid extraction and its application in analytical chemistryHU Miao-xia, WEI Dao-qing309-313 