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- 线性流速和体积流速
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- 线性流速（cm/h）
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- 液体前沿沿柱管单位时间向下的迁移距离
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- 线性流速可用于不同层析柱之间比较
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- 体积流速（ml/min）
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- 体积流速=线性流速（cm/h）× π ×r2（cm2）÷60（min/h）
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