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radioactive tracer

  • [核] 放射性示踪剂，[核] 放射性指示剂

双语例句

  1. During a PET scan, the patient is injected with radioactive tracer molecules that emit positrons when they decay.
    正电子断层扫描仪进行人体扫描的时候，病人被注入正电子放射性核素，然后推入检测环。
  2. The renal parenchymal ROI: drawing a closed curve excluding the renal pelvis detentioned the radioactive tracer.
    肾实质ROI：沿肾皮质外缘亦勾画一个闭合的曲线，不包括有示踪剂滞留的肾盂。
  3. The researchers used a radioactive tracer to be sure that the slugs are actually producing the chlorophyll themselves, as opposed to just stealing the ready-made pigment from algae.
    研究人员利用放射性示踪法确定，这种海蛞蝓确实能自己产生叶绿素，而不仅仅是从海藻那里偷取现成的色素。

网络短语

  • Radioactive tracer techniques
    放射性示踪技术；放射性示踪妙技
  • radioactive tracer tritium
    放射性示踪剂
  • radioactive tracer logging
    放射性示踪测井
  • radioactive tracer gas
    放射性示踪气体
  • radioactive tracer method
    放射性示踪剂法

同义词

radiotracer
[核]放射性示踪剂，放射性指示剂

英英释义

  • A radioactive tracer, or radioactive label, is a chemical compound in which one or more atoms have been replaced by a radioisotope so by virtue of its radioactive decay it can be used to explore the mechanism of chemical reactions by tracing the path that the radioisotope follows from reactants to products.