GEMET
General
Multilingual
Environmental
Thesaurus
半衰期
Definition

定量的辐射性物质,其原子之数量经由辐射衰退为原来的一半所需的时间。

Related terms
Broader:
Other relations
Scope note

Scope note is not available.

Concept URL: http://www.eionet.europa.eu/gemet/concept/3815