tàn
  • carbon
碳
[tàn]
  • 一种非金属元素,无臭无味的固体。无定形碳有焦炭,木炭等,晶体碳有金刚石和石墨。冶铁和炼钢都需要焦炭。在工业上和医药上,碳和它的化合物用途极为广泛。

[tàn]
[名]
1

{化} (非金属元素) carbon (C):

  • 玻璃碳

    vitreous carbon;

  • 镀铜碳

    coppered carbon;

  • 固定碳

    fixed carbon;

  • 化合碳

    combined carbon;

  • 活性碳

    activated carbon

[tàn wēng]
  1. 碳的化合价是4价。

    Carbon has a valency of 4 .

  2. 石墨层中的碳原子相互连接形成碳环。

    In graphite sheets , carbon atoms bond together in rings

  3. 钻石是碳元素的晶体结构。

    Diamond is the crystalline form of the element carbon .

  4. 碳、氢、氧化合形成碳水化合物和脂肪。

    Carbon , hydrogen and oxygen combine chemically to form carbohydrates and fats

  5. 最常用的方法是放射性碳定年法。

    The most frequently used method is radiocarbon dating .

  6. 碳化合物氧化后必然会产生二氧化碳。

    Carbon dioxide is a necessary result of the oxidation of carbon compounds .

  7. 原始的碳纤维材料很像布料。

    In its untreated state the carbon fibre material is rather like cloth .

  8. 我们都需要寻求降低碳排放量的方法。

    We all need to look for ways to reduce our carbon footprint .

  9. 碳尘和燃油在大发动机里越积越多,造成了发动机短路。

    Carbon dust and oil build up in large motors and cause them to short-circuit

  10. 有机化合物的分子中含碳。

    Organic compounds contain carbon in their molecules .

  11. 甲烷分子由1个碳原子与4个氢原子构成。

    A methane molecule is composed of one carbon atom attached to four hydrogens .

  12. 现在利用这件特定的仪器,就可以真正观察到单个碳原子了。

    Now with this particular piece of instrumentation , you can actually spot individual carbon atoms .

  13. 可以通过植树对航空飞行进行碳中和,以抵消温室气体的排放。

    You can make your flights carbon neutral by planting trees to make up for the greenhouse gas emissions .

  14. 这个分子包含四个呈环状排列的碳原子,每两个碳原子之间形成一个三价键。

    The molecule contains four carbon atoms arranged in a ring with a triple bond between two of them .

  15. 如果政府开始对公路运输征收碳税,那么水运就会变得更加具有吸引力。

    If the Government introduces a carbon tax on road haulage , then carriage by water will become more attractive .

  16. 通过投资高效能的工厂,它可以节余很多宝贵的碳信用额来出售给更富有、更浪费的国家。

    By investing in efficient plant it could generate lots of valuable carbon credits to sell to wealthier , more wasteful nations .

  17. 碳是一种(化学)元素,而二氧化碳则是一种化合物。

    Carbon is an element , while carbon dioxide is a compound .

  18. 这样的碳原子称为手性碳。

    Such a carbon is designated as a chiral carbon .

  19. 在稠环和桥环化合物中,两个碳原子是两个环公用的。

    In fused-ring and bridged-ring compounds two carbons are common to the two rings .

  20. 这种代谢物似乎同从暴露到碳氯灵的蚊幼虫所得到的一种物质一样。

    This metabolite appeared identical to one obtained from mosquito larvae exposed to isobenzan .

  21. 糖含有碳原子。

    There are carbon atoms in sugar .

  22. 钻石是纯净的碳。

    Diamonds are pure carbon .

  23. 这有可能为抵制未来的碳排放法规供便利,或者有可能帮助美国铝业拿到绿色经济补贴。

    This could provide a defence against future emissions regulations or perhaps help it grab green subsidies .

  24. 碳的同素异形体包括金刚石、石墨和木炭,所有这些物质都具有相同的化学性质。

    The allotropes of carbon include diamond , graphite and charcoal , all with the same chemical properties .

  25. 碳原子的四个价电子都各与氢原子的一个价电子共用。

    Each of the four valency electrons of the carbon atom is shared with one of a hydrogen atom .

  26. 政客们可能会对付污染者,而科学家们则与碳排放作斗争。

    Politicians may tackle polluters while scientists do battle with carbon emissions .

  27. 据《国际商业时报》报道,随着大众汽车公司从碳排放丑闻中恢复元气,电动汽车的销量有望增加。

    According to the International Business Times , electric car sales are expected to increase as Volkswagen is still recovering from its emissions scandal .

  28. 尽管有北极熊的悲剧,碳排放量也在飙升,但大多数人很难相信全球变暖会对他们个人产生影响。

    Despite mournful polar bears and charts showing carbon emissions soaring , most people find it hard to believe that global warming will affect them personally .

  29. 德国还计划到2050年时将本国的碳排放量降低80%-95%,以推动本国向绿色能源的转变。

    The country is also planning to reduce its carbon footprint by 80-95 % by 2050 , sparking a shift to green energy in the country .

  30. 国际碳价格下限的协议将是此进程的良好起点。

    Agreement   on   an   international   carbon-price   floor   would   be   a   good   starting   point in   that   process .