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chromatography
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利用混合物中各组分的物理化学性质(分子的形状和大小、分子极性、吸附力、分子亲和力及分配系数等)的不同使各组分以不同程度分布在固定相和流动相中,当流动相流过固定相时,各组分以不同的速度移动,从而达到分离的技术。
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tomosynthesis
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chromatography
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chromatography
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