carbon是什么意思

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      carbon 是什么意思

      音标：[ 'kɑ:bən ]  

      名词复数:carbons   

      中文翻译与英英解释

      n.
      1.【化学】碳。
      2.【电学】碳精棒[片、粉]；碳精电极。
      3.(一张)复写纸。
      4.复写的副本。
      短语和例子
      a carbon of a letter 一封信的副本。

      a copy made with carbon paper
      同义词：carbon copy,

      an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
      同义词：C, atomic number 6,

      a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper
      同义词：carbon paper,

      Carbon (from "coal") is the chemical element with symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalent?making four electrons available to form covalent chemical bonds.

      1.
      Wood charcoal contains up to 98% carbon .
      木炭含有相当于98的碳。

      2.
      She typed an original and two carbons .
      她用打字机打出了原件及两份副本。

      3.
      Diamond is a third form of solid carbon .
      金刚石则是第三种形式的固态碳。

      4.
      The carbon dioxide is expelled by the lungs .
      二氧化碳由肺排出。

      5.
      On hydrolysis carbon dioxide is evolved .
      水解时，放出二氧化碳。

      6.
      Such a carbon is designated as a chiral carbon .
      这样的碳原子称为手性碳。

      7.
      The residue is progressively enriched in carbon .
      残留部分愈来愈富含碳质。

      8.
      Every carbon atom has four bonds .
      每个碳原子的价键为四。

      9.
      She is a carbon copy of her sister .
      她跟她姐姐一模一样。

      10.
      We have made no reference to asymmetric carbon atoms .
      我们未曾涉及不对称碳原子。