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 锕
environ. actinium
met. actinium; actinium X
 锕 A
met. actinium A
 锕 B
met. actinium B
 锕 C
met. actinium C; actinium C'
 锕 C''
met. actinium C''
 锕 D
met. actinium D
 锕 K
met. actinium K
| 化物
 化物
gen. -uret

to phrases
ā
gen. Ac; actinium; anemium (Ac)
agric. actinium (Ac,89 号元素)
earth.sc. actinium (化学元素)
environ. 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 (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。)
met. actinium (Ac); actinium X (X (AcX 镭同位素 Ra223))
锕 C
earth.sc. actinium C (铋的同位素 Bi211); actinium C
met. actinium C (AcC 铋同位素 Bi211); actinium C' (AcC' 钋同位素 Po211)
锕 A
earth.sc. actinium A (针的同位素 Po²¹⁵)
锕 K
earth.sc. actinium K (#的同位素 Fr²²³)
锕 A
environ. actinium A (AcA (钋同位素 Po²¹⁵))
met. actinium A (AcA 钋同位素 Po215)
锕 K
met. actinium K (AcK 钫同位素 Fr223)
锕〈元素符号〉 ā
plast. Actinium; Ac
锕- B
gen. actinium-B (铅的同位素)
C"锕C"
gen. actinium (AcC"(铊同位素 Tl207))
锕X
gen. actinium X (AcX (镭同位素 Ra223))
锕 B
earth.sc. actinium B (铅的同位素 Pb²¹¹)
锕 C"铊的同位素 Tl²⁰⁷
earth.sc. actinium C"
锕 D
earth.sc. actinium D
锕C
earth.sc. actinium C (AcC (铋同位素 Bi²¹¹))
锕D
earth.sc. actinium D (AcD (铅同位素 Pb²⁰⁷))
锕 B
met. actinium B (AcB 铅同位素 Pb211)
锕 D
met. actinium D (AcD 铅同位素 Pb207)
锕D
met. actinium lead (铅的同位素 Pb207, AcD)
锕B
gen. actinium B (AcB (铅同位素 Pb²¹¹))
C'锕C'
gen. actinium (AcC'(钋同位素 Po²¹¹))
锕K
gen. actinium K (AcK (钫同位素 Fr²²³))
元素名符为Ac ā
archit. actinium
化学元素 ā
earth.sc. actinium
锕 C''
met. actinium C'' (AcC'' 铊同位素 Tl207)
锕: 97 phrases in 9 subjects
Architecture2
Chemistry21
Earth sciences11
Environment1
General18
Metallurgy20
Nuclear physics1
Oil / petroleum4
Technology19