METHODS According to the factors that affact the stability of emulsion,orthogonal design was used,liquid paraffin,cetyl alcohol,glyceryl monostearate and vaselin were selected as variable factors ang table L 9( ) was: used.
METHODS According to the factors that affact the stability of emulsion,orthogonal design was used,liquid paraffin,cetyl alcohol,glyceryl monostearate and vaselin were selected as variable factors ang table L 9( ) was: used.
方法 :用正交试验法 ,以液体石蜡、十六醇、单甘酯、凡士林的配比为因素 ,在 个水平上进行拟合 ,以乳剂在 ℃的分层时间及外观为指标 ,用L9( )表进行实验。