1 . The samples were treated by wiping off water . The pesticides residues were extracted with aceton .
樣品前處理采用了先去除樣品中水分,再用有機溶劑提取殘留農藥的方法.
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2 . A new kind of bismaleimide resin system which can be aceton is prepared.
研制了具有良好溶液性質的雙馬來酰亞胺樹脂體系的新方法.
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1 . 丙酮
survey on a fatal accident from acute phenol - acetonpoisoning ., 一起急性苯酚 , 丙酮中毒死亡事故調查.
