ce.ri.um
cerium的音标和读音:
DJ音标发音: [ˈsiəi:əm]
KK音标发音: [ˈsɪriəm]
cerium的词性:
n.Symbol Ce (名词)符号 Ce
1. A lustrous, iron-gray, malleable metallic rare-earth element that occurs chiefly in the minerals monazite and bastnaesite, exists in four allotropic states, is a constituent of lighter flint alloys, and is used in various metallurgical and nuclear applications. Atomic number 58; atomic weight 140.12; melting point 795=C; boiling point 3,468=C; specific gravity 6.67 to 8.23; valence 3, 4.See table at element
铈:一种有光泽、铁灰色、可延展的金属稀土元素,主要存在于独居石和氟碳铈矿中,以四种同素异形体存在,是轻燧石合金的成分,在冶金和核能工业上有多种应用。原子序数58;原子量140.12;熔点795=C;沸点3,468=C;比重6.67至8.23;比重6.67-8.23;化合价3,4参见 element
cerium的词源:
2. Cer(es)
Cer(es)