Three kinds of column were studied for the determination of nicotine in total particulate matter of cigarette smoke.

 
  • 將兩種不同的毛細管柱應用于卷煙煙氣總粒相物中煙堿的測定,并與一種填充柱進(jìn)行了對比。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan