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同位素示踪剂
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同位素示踪剂
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。
Physics
原子核物理学、粒子物理学
原子核物理学
isotopic tracer
同位素示踪剂
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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health serviceman
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health supervision and inspection
Health Supervision and Management System
health supervision for control and prevention of infectious diseases
health supervision for drinking water
health supervision of military training
health supervision procedure
health supervision system
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Health system performance
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