1The Theory of Intensity Weakening for Rockburst in Coal MineDOU Lin-ming, LU Cai-ping, MOU Zong-long, QIN Yu-hong, YAO Jing-ming169-1752Experimental Study on Effect of Chemical Fire Extinguishment AdditivesLI Ding-qi, YU Ming-gao, LIU Jian-fei, ZHENG Li-gang176-1803Study on Geological Structure Projecting MechanismWANG En-yi181-1854Ichnocoenoses and Their Sedimentary Enyvironments of the Shahejie Formation of Paleogene in Dongying Sags,Jiyang Depression,Shandong ProvinceHU Bin, WANG Hai-fang, Zhang Hong-min, NIU Yong-bin, BAI Zhong-kai186-1915Characteristics of Coal Quality and Geochemical in Jiaozuo Coal BasinHAO Ji-sheng, WEI Guo-ying, LIU Qi-xuan192-1956Spatial Topologic Relation Model Based on Fuzzy UncertaintyXü Hui, HU Sheng-wu, LI Chang-chun, LI Ai-Guo196-1997Theory of Fault Total Area Applied to Predict Medium and Strong EarthquakesSONG De-xi, SHI Wen-yong200-2048Study on Flame-retardant Property of Flexible Polyurethane FoamChen Dong-ming, ZHANG Heng, WEI Feng-chun, CAI Hong205-2099Study on Dead Reckoning for a Mobile Robot on Uneven TerrainYU Jin-xia, CAI Zi-xing, ZOU Xiao-bing, DUAN Zhuo-hua210-21610Application of single-chip Microcomputer 80C196MC and FUJI's IPM-7MBP50RA060 in Speed Adjusting by Frequency Converting System of Automatic DoorMA Gao-yin, WANG Fu-Zhong, ZHAO Xin-jie217-22111The Unity of Umbrella-shaped Conductor Lightning Eliminator and Lightning RodZHANG Jing-Ying, ZHANG Zhan, BU Xu-Hui222-22412Analysis and Design of The Industry Examination SystemWEN Xin-ling225-22813Developing Touching Screen Query System with DelphiLU Bao-yu, ZHAO Jian-gong229-23214Curved Surface Model of Three-dimensional GarmentZHANG Jing, GONG Zhi-qiang, Wen Feng233-23615The Management System of Cable Television Network Based on the Client/Server ModelYANG Jing237-239,24816Experimental Study and Finite Element Analysis of Concrete Beams Strengthened with Glass Fiber Reinforced Polymer PlatesDING Ya-hong, ZHANG Chun-sheng, LIU Hai-xia, ZENG Xian-tiao240-24317Some Conclusions on Fuzzy Relational EquationsSHI Yu-qiang244-248