英语词汇tracer activity怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
?示踪物的放射性
... tracer (element) 同位素指示剂 tracer activity 示踪物的放射性 tracer agent 指示剂 ...

短语

1
PET is a non-invasive imaging technique that uses radioactivity emitted from injected tracer chemicals to measure and image biological activity.
PET是一项非损伤的成像技术，它将示踪迹注入血液利用其放射性来检测生物活性并成像。
2
This paper presents a determination method of specific activity for uranium isotope in rocks, soil, water and thorium isotope in rocks using 232u as a tracer isotope.
本文介绍了用(232u)作示踪同位素，测定岩石、土壤、水体中铀同位素及岩石中钍同位素比活度的方法。

单词	tracer activity
释义	tracer activity 简明释义示踪物的放射性网络释义 1 ?示踪物的放射性 ... tracer (element) 同位素指示剂 tracer activity 示踪物的放射性 tracer agent 指示剂 ... 短语 1 tracer-level activity 示踪量级放射性双语例句 1 PET is a non-invasive imaging technique that uses radioactivity emitted from injected tracer chemicals to measure and image biological activity. PET是一项非损伤的成像技术，它将示踪迹注入血液利用其放射性来检测生物活性并成像。 2 This paper presents a determination method of specific activity for uranium isotope in rocks, soil, water and thorium isotope in rocks using 232u as a tracer isotope. 本文介绍了用(232u)作示踪同位素，测定岩石、土壤、水体中铀同位素及岩石中钍同位素比活度的方法。
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