jingjing-zhou documents

Novel fiber coated with β-cyclodextrin derivatives used for headspace solid-phase microextraction of ephedrine and methamphetamine in human urine
Documents Novel fiber coated with β-cyclodextrin derivatives used for headspace solid-phase microextraction of ephedrine and methamphetamine in human urine
Headspace solid-phase microextraction with novel sol–gel permethylated-β-cyclodextrin/hydroxyl-termination silicone oil fiber for determination of polybrominated diphenyl ethers
Documents Headspace solid-phase microextraction with novel sol–gel permethylated-β-cyclodextrin/hydroxyl-termination silicone oil fiber for determination of polybrominated diphenyl ethers
Guangzhou Zexin Leather Co.,ltd--PPT
Documents Guangzhou Zexin Leather Co.,ltd--PPT
Guangzhou zexin leather co.,ltd -ppt (1)
Business Guangzhou zexin leather co.,ltd -ppt (1)