目的: 从佩兰中提取挥发油,并测定其含量.Objective : To extract and determine naphtha in Eupatorium fortune.方法: 采取超临界CO2萃取 、 微波萃取和水蒸汽蒸馏三种方法提取佩兰挥发油.Method: The volatile oils were obtained with supercritical CO 2, microwave and stream distill...
一按电钮,大门就滑动开启.The gate slid opened at the push of a button.滑动门在槽沟中移动.Sliding doors move in grooves.用窗口右边的滑动条滚动文件.Scroll through the document using the slider bar on the right of the window....
Potassium permanganate is used for disinfecting, deodorizing, and Bleaching and as a reagent in analysis.高锰酸钾用于消毒 、 除臭 、 漂白,并在分析中用作试剂.Objective To explore a method for determination of dissolvable zinc salt in deodorizin...