1Many Grades Fuzzy Comprehensive Evaluation for Classroom Teaching QualityMENG Guang-wu, ZHANG Xing-fang, YANG Zhi-ying1-4,72The Cluster Analysis for Interval-valued Fuzzy SetsZHANG Xing-fang, LIU Zi-qiang, LI Jing5-73Fuzzy Implication Ideals in N(2,0) AlgebrasWANG Hong-wei8-94Synthesis and Crystal Structure of One-dimensional Infinite Chain Complex by 18C6 and K2[Pd(NO2)4]LIU Xue, HE Yuan, YU Qing-jiang, DOU Jian-min10-125Synthesis and Crystal Structure of Containing Germanium and Oxygen Atoms Heterocyclic Tripolymer (Ph2GeO)3ZHANG Ru-fen, ZHANG Wen-sheng, ZHU De-zhong, YIN Han-dong, MA Chun-lin13-146The Bifurcation Problems of Type (Ⅰ)Equation of Quadratic Differential SystemsJIN Yin-lai15-16,207Characterizing Rings by Direct-Prrojective Modules and Direct-Injective ModulesYAO Zhong-ping17-208Group Actions and Uniform PowergroupsZHANG Cheng-yi, LIU Ruo-hui21-239A Note on Structures of Power GroupsYAO Bing-xue, WANG Qing-hua24-2610C1,α--Regularity of Weak Solutions to a Class of Nonlinear Elliptic EquationsHAN Pi-gong27-3111On the Generators of Lie Algebra G2 of Characteristic 2LI Ke-feng, GUO Huan32-3312Free Product of Two GroupsQIU Yong-ping34-3513Discusstion of HomePage MakingCHEN Wan-ping, MA Xiu-feng, XU Xin-nong36-3914Reusing Software by Way of COM\DCOM TechniquesCHEN Jing, LI Jun40-4215Study on Phase Evolution and Crystallizing Reaction of Fe/Dy Multilayer with an Amorphous MicrostructureWANG Chang-zheng, LI sheng-li, ZHANG Wen-qiang43-45,5116The Angular Spectrum of Spontaneous Emission in Ion-channal FELJIANG Meng-rui, XIA Lei46-4817The Precision Adjust of the Optical Power in the Fiber CouplerZHENG Hong-jun, LI Xin, YANG Heng-xin, ZHOU Sheng-qi, HUANG Yu-qing, ZHANG Yi-qing49-5118Study on the Conductivity of Ceramics La0.5-xYxBa0.5CoO3LIU Han-zhong52-53,9919The Controlling System of Water-heating Boiler with Single-board MicrocomputerXU De-bo, QU Le-jian, FAN Li-feng, ZHANG He54-5620Discussion about Flame Temperatures of Combustion ReactionsGAO Zhi-chong57-60