青年中文actinium的意思
actinium中文翻譯：
n.[化學]錒（元素符號Ac）
actinism───n.光化性，光化度；光化作用
vaccinium───越桔屬
achenium───n.瘦果
actinia───n.海葵，海葵屬
actiniae───n.海葵
actinian───海葵的；似海葵的
actinias───n.海葵，海葵屬
actinic───adj.（光、照明）光化性的；光化引起的，與光化有關的；（輻射）產生光化作用的
actinide───n.[化學]錒類；錒系元素
There are three naturally occurring radioactive series - the thorium series, the actinium series, and the uranium series.───有三個天然存在的放射系列，即釷系、錒系和鈾系。
All are radioactive and have similar properties to actinium.───這些元素都有放射性，而且性質與錒相似。
a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.───一種存在周期短的放射性金屬元素，由鈾形成，能分裂成錒然后分裂成鉛。
Actinide: Any of the series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89-103).───錒系：周期表中從錒到鐒（原子序數89~103）的十五個依次排列的一組化學元素。
Research Progress of New Extractant of Amide for Actinium Elements───萃取錒系元素的新型酰胺類萃取劑研究進展
The extraction mechanism and separation process of lanthanum and actinium were studied in HDEHP ( kerosene ) - HNO 3 system.