当洗脱体积为床体积的2倍时，黄酮的解吸速度很快。
The desorption of the flavones is fast when the elution volume is 2 times of bed volume.
你引用的规则是用于覆盖全范围梯度洗脱的（例如，有机溶剂从5改变到100%），并且所指的体积是以初始条件来重新平衡。
The rule that you quoted is intended to cover a full-range gradient (for example, 5–100% organic solvent) and refers to the amount of volume to reequilibrate at the initial conditions.
在此条件下，用体积分数60%乙醇洗脱得水解鞣质纯度为71.03%。
Under these conditions, hydrolysable tannins were eluted with 60% ethanol, the purity of which is 71.03%.
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