1Safety and environment hazard problem and research method of system science of discarded mineWANG Lai-gui, PAN Yi-shan, ZHAO NaService of Science and Technology97-1012Synthesis and performance of substituted heteropoly acid H5[Ga(H2O)ZrW11O39]·14H2OWANG Jia-qing, WU Qing-yinService of Science and Technology102-1073Preparation application and prospect of artemisininRUAN Dong-liang, WANG Feng-ling, ZHANG Ying-feng, ZHENG XiangjunService of Science and Technology108-1124Experimental study of comprehensive techniques for dehydration and demulsification of heavy oil in Liaohe Oil -fieldZHOU Tie-jinService of Science and Technology113-1165Technology of grinding and milling for down hole fish and fishing for downhole MWD instrument in slim hole horizontal wellsZHANG Zhi-baoService of Science and Technology117-1196Determination of selenium in Chinese-wolfberry by catalysis-kinetic sprctrophotometric methodZHANG Yu-yang, DENG Gui-chun, GUAO Hong, DONG Zai-zheng, DONG JiaoChemistry and Chemical Industry120-1227Research on anti-corrosion of new thiadiazole derivative in fuel jetZHANG Qing-chun, XING Jin-juan, LIU Lin, QIAN Jian-juaChemistry and Chemical Industry123-1258Synthesis of 3,6-bi-p-ethoxy-phenyl-1,2,4-triazolo [3,4-b ]-1,2,4-triazolo-1,3,4-thiadiazoleZHAO Shen, XING Jin-juan, LIU LinChemistry and Chemical Industry126-1289Quick test of contents of benzoic acid, saccharin acid and sorbic acid in soft drinks by using HPLC methodWANG Li-li, SONG Yu, LIU Lian-li, WANG Yang, SHU XinChemistry and Chemical Industry129-13110Analysis of fatty acid in Anshan Jufeng grape seed by GC/MSTAO Jing, ZHANG Jie-li, DING Xu-guang, LI Tie-chun, HUI Rui-hua, HOU Dong-yanChemistry and Chemical Industry132-13411Research on mix of APP and EPDM and performance of mixZHOU Chun-bin, TANG Rong-liangChemistry and Chemical Industry135-13712Evaluation & analysis of source water quality of water factory in GuilinWANG Ya-ru, LIU De-shen, TANG Rong-hua, YU Qiao-lingChemistry and Chemical Industry138-14313The Localization and Colocalization of Neuronal Growth Inhibitory Factor(GIF) and Rab3a in the Brain of the RatWANG Shun, YU Long-chuan, REN Rong-weiChemistry and Chemical Industry144-14614Backstepping-based Fuzzy adaptive tracking controlCHEN BingMathematics Research147-15115Robust control for two classes of nonlinear stochastic differential systemsWANG Yi-zhong, YIN Zuo-yiu, GONG Qing-xianMathematics Research152-15416Criteria and its applications for definite-sign property of analogy two-element copponent function matricesXU Wang-bao, YU Xiao-feng, CHEN Xue-boMathematics Research155-15917Reducibility of second order linear differential equations with quasi-periodic coefficientsCHENG Xiao-jing, CHI Dong-xuan, LUAN Meng-jieMathematics Research160-16218Branch-and-bound method for indefinite quadratic programming problems under convex constraintsZHANG Yu-yan, QIAN Wei-yiMathematics Research166-16819Application of fuzzy cluster analysis in student's performance evaluationZHANG Xiu-mei, WANG TaoMathematics Research169-17220Design of delay-related Robust stability controller concerning an indefinite neutral delay systemLIN Yuan, GAO Sheng-zheMathematics Research173-177 