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Actinium [æk'tɪnɪəm] n
plast.	锕〈元素符号〉
actinium [æk'tɪnɪəm] n
gen.	锏第89号元素; 钢 (Ac); 锕; C'锕C' (AcC'(钋同位素 Po²¹¹)); C"锕C" (AcC"(铊同位素 Tl207))
agric.	锕 (Ac,89 号元素)
archit.	锕元素名符为Ac
auto.	铜
earth.sc.	锕化学元素; 锕 (化学元素)
met.	锕 (Ac)
actinium A radioactive element of the actinide series, occurring as a decay product of uranium. It is used as an alpha particle source and in neutron production n
environ.	锕 (锕类中的一种放射性元素，通常是铀的一种衰变物。它被用作阿尔法粒子产生源并产生中子。)
English thesaurus
Actinium [æk'tɪnɪəm] abbr.
abbr., scottish	Ac

Actinium: 72 phrases in 9 subjects

Chemistry	8
Earth sciences	15
Ecology	3
Electronics	14
Environment	1
General	10
Metallurgy	17
Oil / petroleum	2
Technology	2