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vegetation
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metallurgy
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medicine
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trace atom
Contents
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No. 1
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English Expression
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No. 1
标记原子
1abe11ed atom
亦称示踪原子。是一种元素中天然含量较少或不含有的原子。示踪原子可以是放射性的或非放射性的同位素。将示踪原于引入一种化合物中,则后者称为示踪化合物或标记化合物。标记化合物常用于植物营养问题或代谢问题的研究,是一种非常有效的手段。
English Expression
: trace atom, tracer