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單詞乎

lanthanum

音標(biāo)['l?nθ?n?m]
lanthanum是什么意思、lanthanum怎么讀

lanthanum漢語翻譯

n. 鑭
【化】 鑭La
【醫(yī)】 鑭(57號元素)

lanthanum詞型變化

簡寫符號:La 

lanthanum英語解釋

名詞 lanthanum:

  1. a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
    同義詞:La, atomic number 57

lanthanum詳細解釋

lan.tha.num

n.Symbol La (名詞)符號 La
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 38.9; melting point 920=C; boiling point 3,4'9=C; specific gravity 5.98 to '.8'; valence 3.See table at element
鑭:一種質(zhì)軟、銀白色、有延展性的、可塑性的稀有金屬,主要是從獨居石和氟碳鈰礦中提取出來,用于玻璃工業(yè)及電影或電視攝影照明的碳棒燈中。原子序數(shù)57;原子量38.9;熔點920=C;沸點3,49'=C;比重5.98到'.8';原子價3參見 element

來源:
New Latin
現(xiàn)代拉丁語
from Greek lanthanein [to escape notice (from the finding of the element hidden in oxide of cerium)]
源自 希臘語 lanthanein [避開注意力(指不被從鈰氧化物元素中提?。

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