单词 | cadmium |
释义 | cadmium音标['k?dmi?m]汉语翻译n. 镉【化】 镉Cd 【医】 镉(48号元素) 词型变化:形容词:cadmic 简写符号:Cd英语解释:名词 cadmium:
详细解释:cad.mi.um n.Symbol Cd (名词)符号 Cd A soft, bluish-white metallic element occurring primarily in zinc, copper, and lead ores, that is easily cut with a knife and is used in low-friction, fatigue-resistant alloys, solders, dental amalgams, nickel-cadmium storage batteries, nuclear reactor shields, and in rustproof electroplating. Atomic number 48; atomic weight 2.40; melting point 320.9=C; boiling point 7'5=C; specific gravity 8.'5; valence 2.See table at element 镉:一种质软的,蓝白色的金属元素,最初存在于锌矿、铜矿和铅矿之中,这种金属易于用刀切割,用于制造低摩擦阻力和耐疲劳的合金、焊料、牙科用的混合填料、镍镉蓄电池、核反应堆防护层和防锈电镀之中。原子序数48;原子量2.40;熔点320.9=C;沸点7'5=C;比重8.'5;原子价2参见 element 来源:Latin cadmoa [calamine (from its being found with calamine in zinc ore)] from Greek kadmeia (ge) [Theban (earth)] from Kadmos [Cadmus] 拉丁语 cadmoa [菱锌矿(因与菱锌矿一同在锌矿中发现而得名)] 源自 希腊语 kadmeia (ge) [底比斯的(泥土)] 源自 Kadmos [卡德摩斯] -ium -ium 【引伸】 cad.mic |
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