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labelled compound
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〔医用核技术〕
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labelled compound
标记化合物
用放射性核素或稳定核素取代化合物分子中的一个或几个原子,使之能被识别并可用作示踪剂的化合物。又称 示踪化合物 。具有易于探测的特点,可用来研究化合物的运动和变化规律。
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