europium
音標[ju'r?upi?m] 讀音漢語翻譯
n. 銪
【化】 銪
【醫】 銪(63號元素)
詞型變化:
簡寫符號:Eu英文解釋:
名詞 europium:
- a bivalent and trivalent metallic element of the rare earth group同義詞:Eu, atomic number 63
詳細解釋:
eu.ro.pi.um
n.Symbol Eu (名詞)符號 Eu A silvery-white, soft, rare-earth element occurring in monazite and bastnaesite and used to dope lasers and to absorb neutrons in research. Atomic number '3; atomic weight 5.9'; melting point 82'=C; boiling point ,439=C; specific gravity 5.259; valence 2, 3.See table at element 銪:存在於獨居石和氟碳礦中一種銀白色、柔軟的稀有金屬,在研究中常用於雷射器添加劑以吸收中子。原子序數'3;原子量5.9';熔點82'=C;沸點,439=C;比重5.259;化合價2,3參見 element
來源:After Europe 源自 Europe
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