| 单词 | 可塑性 |
| 释义 | 〔lanthanum〕A soft, silvery-white, malleable, ductile, metallic rare-earth element, obtained chiefly from monazite and bastnaesite and used in glass manufacture and with other rare earths in carbon lights for movie and television studio lighting. Atomic number 57; atomic weight 138.91; melting point 920°C; boiling point 3,469°C; specific gravity 5.98 to 6.186; valence 3. See table at element 镧：一种质软、银白色、有延展性的、可塑性的稀有金属，主要是从独居石和氟碳铈矿中提取出来，用于玻璃工业及电影或电视摄影照明的碳棒灯中。原子序数57；原子量138.91；熔点920°C；沸点3,496°C；比重5.98到6.186；原子价3 参见 element〔indium〕A soft, malleable, silvery-white metallic element found primarily in ores of zinc and tin, used as a plating over silver in making mirrors, in plating aircraft bearings, and in compounds for making transistors. Atomic number 49; atomic weight 114.82; melting point 156.61°C; boiling point 2,000°C; specific gravity 7.31; valence 1, 2, 3. See table at element 铟：一种较软、可塑性强的银白色金属物质，主要存在于锌矿床和锡矿床中，制造镜子时镀在水银上，也可镀于飞行器表面，其合金可以做晶体管。原子序数为49；原子量114.82；熔点是156.61°C；沸点为2,000°C；比重7.31；原子价为1,2,3 参见 element |
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