使用HPLC，利用在给定的色谱柱和流动相下化合物具有不同移动速率的事实可以实现化学分离。
Chemical Separations can be accomplished using HPLC by utilizing the fact that certain compounds have different migration rates given a particular column and mobile phase.
随着固液界面向上移动，液相区自然对流逐渐增强，流动状态不断变化。
With the solid-liquid interface moving upwards, the effect of natural convection is enhanced and the flow patterns change continually.
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