主题：【求助】请大家帮下载这些文献，谢谢！！！（还有5/7）

1.  SEPARATION AND ANALYSIS OF THE DIASTEREOMERS AND ENANTIOMERS OF CYPERMETHRIN AND RELATED COMPOUNDS 
Edwards DP  Journal of Chromatography. A  1997，Vol.777 /No.2 p.363-369
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2. Enantioselective and diastereoselective separation of synthetic pyrethroid insecticides on a novel chiral stationary phase by high-performance liquid chromatography
Tan, XL; Hou, SC; Wang, M  Chirality  2007 vol.19; no.7
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3. Analytical Methods To Determine Residual Cypermethrin and Its Major Acid Metabolites in Bovine Milk and Tissues
Chen, A. W.; Fink J. M.; Letinski, D. J.
J. Agric. Food Chem.; (Article); 1996; 44(11); 3534-3539
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4.  Persistence, Penetration, and Surface Availability of Cypermethrin and Its Major Degradation Products in Elm Bark
Heng Jin  . Agric. Food Chem., 46 (7), 2851 -2857
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5. Isolation and identification of pyrethroid insecticides-degrading bacteria from soil
Hashem; Hafez FH; El Mohandes MAO，Annals of agricultural science ，Vol.44,No.1,1999  p.123-137


6. GC-ECD determination of cypermethrin and its major metabolites in soil, elm bark, and litter
Jin H.; Webster GRB.， Fresenius' Journal of Analytical Chemistry ，Vol.360,No.5,1998 ， p. 573-579
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7.  Toxicology of Pyrethrins and Synthetic Pyrethroids
David E. Ray  :，Pesticide toxicology and international regulation / Current toxicology series，2004，p.129-158


8.  CYPERMETHRINS (INCLUDING ALPHA- AND ZETA-CYPERMETHRIN) (118)
Pesticide Residues in Food 2006 Group ，Pesticide Residues in Food 2006 (187) ，p.95-101
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9. 氯氰菊酯立体异构体分析方法研究概述--《农药科学与管理》2000年0
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10.  溴氰菊酯在溶液中的光化学降解钱建国,王克欧,戴广茂《环境科学学报》1988年03
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11.  蜡状芽孢杆菌菌株TR2对氯氰菊酯降解作用的小区试验
洪永聪; 辛伟; 崔德杰; 胡方平; 青岛农业大学学报(自然科学版), 2007年 04期
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12.  手性农药的环境行为研究进展 廖永 农药科学与管理 2008，29（1），47：57ok