灰米奇 2009/09/30
[img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=173882]Determination of sulfonylurea herbicides in water using solid-phase extraction followed by liquid chromatography with electrospray ion trap mass spectrometry[/url]