单词 | cerium |
释义 | cerium音标['si?ri?m]汉语翻译n. 铈【化】 铈Ce 【医】 铈(58号元素) 词型变化:简写符号:Ce英语解释:名词 cerium:
详细解释:ce.ri.um n.Symbol Ce (名词)符号 Ce 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 40.2; melting point 795=C; boiling point 3,4'8=C; specific gravity '.'7 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40.2;熔点795=C;沸点3,4'8=C;比重'.'7至8.23;化合价3,4参见 element 来源:Cer(es) Cer(es)-ium -ium |
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