Lily powder was pre-treated by nitric acid and perchloric acid before determination.

 
  • 百合經(jīng)過(guò)硝酸、高氯酸處理后,再用原子吸收分光光度法測定其微量元素含量。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan