As predicted by the mathematical model, differential extraction was favorite at stripping rate lower than 2, but at high stripping rate, differential extraction was quite unattractive.

• 利用数学模式分析得知，在萃取比低于2时，差分萃取可以有效的改善萃取效率，但高萃取比时差分萃取反而成为不适用的方法。