Fonofos was extracted with regent,cleaned up with chromatography column,then determined by GC.

 
  • 土壤中的地蟲(chóng)硫磷經(jīng)溶劑提取,柱層析凈化,進(jìn)行氣相色譜分析;
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan