The mobile phase consisted acetonitrile - water( 1:4).

以乙腈-水（1：4）为流动相；

The conditions for extraction and mobile phase were optimized.

优化不同性质样品的提取条件及测定的流动相。

The sample is transported through the column by the mobile phase.

试样由移动相带着穿过色谱柱。

The sample is transported through the column by the mobile phase .

试样由移动相带着穿过色谱柱。

In some cases, the sample may be diluted with mobile phase to improve the peakshape.

在一些情况下，为了改善峰形，样品溶液可以用流动相稀释。