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單詞乎

platinum

音標['pl?tin?m]
platinum是什么意思、platinum怎么讀

platinum漢語翻譯

n. 白金, 鉑, 銀灰色
【化】 鉑Pt
【醫(yī)】 鉑(78號元素)

platinum英語解釋

名詞 platinum:

  1. a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
    同義詞:Pt, atomic number 78

platinum例句

  1. Platinum, especially as found naturally in impure form.
    天然鉑鉑,尤指自然界中發(fā)現(xiàn)的以不純的形式存在的鉑
  2. Originally Edison used platinum alloys for the filament, in the belief that carbon was impracticable.
    愛迪生不相信碳可作燈絲用,所以一開始就用鉑合金作燈絲。
  3. Platinum is used to make jewelry.
    白金常常用來做珠寶飾物。

platinum詳細解釋

plat.i.num

n.(名詞)
Symbol Pt A silver-white metallic element occurring worldwide, usually mixed with other metals such as iridium, osmium, or nickel. It is ductile and malleable, does not oxidize in air, and is used as a catalyst and in electrical components, jewelry, dentistry, and electroplating. Atomic number 78; atomic weight 95.09; melting point ,772=C; boiling point 3,827=C; specific gravity 2.45; valence 2, 3, 4.See table at element
符號 Pt 鉑:一種世界范圍內(nèi)存在的銀白色金屬元素,常與其它金屬,如銥、鋨或鎳混合,易拉長且具延展性的,在空氣中不氧化,可用作催化劑,用于電學(xué)元件、珠寶,牙科學(xué)和電鍍中。原子序數(shù)78;原子量95.09;熔點,772=C;沸點3,827=C;比重2.45;化合價2,3,4參見 element
Color A medium to light gray.
【色彩】 鉑灰色:亮灰色的媒質(zhì)

來源:
New Latin
現(xiàn)代拉丁語
from Spanish platina [platinum] * see platina
源自 西班牙語 platina [鉑] *參見 platina

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