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isotope tracer
释义
isotope tracer
Encyclopedia
理学
【试剂和试样】
释
isotope tracer
同位素示踪剂
分子中含有一个或几个同位素原子，利用其示踪性而进行分析测定的化学试剂。用同位素置换后的试剂，除同位素效应外，其化学性质通常没有发生变化，可参与同类的化学反应。因此，广泛用同位素示踪剂来研究物质运动和变化的规律。同位素标记试剂分为放射性和稳定性两种，例如高度富集氢-2、碳-13、氧-18、硫-33、铀-235、锶-84、氩-38的制剂。
Chemistry
＞放射化学与辐射化学＞核药物化学＞释义
isotope tracer
同位素示踪剂
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