Tracers,Radioactive
《英文msh詞典》Tracers,Radioactive
[入口詞] Tracers,Radioactive
[主題詞] Radioactive Tracers
[英文釋義] Radioactive substances added in minute amounts to the reacting elements or compounds in a chemical process and traced through the process by appropriate detection methods,e.g.,Geiger counter. Compounds containing tracers are often said to be tagged or labeled. (Hawley's Condensed Chemical Dictionary,12th ed)