碳
- 名carbon
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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。
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{化} (非金属元素) carbon (C):
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玻璃碳
vitreous carbon;
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镀铜碳
coppered carbon;
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固定碳
fixed carbon;
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化合碳
combined carbon;
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活性碳
activated carbon
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碳的化合价是4价。
Carbon has a valency of 4 .
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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
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钻石是碳元素的晶体结构。
Diamond is the crystalline form of the element carbon .
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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
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最常用的方法是放射性碳定年法。
The most frequently used method is radiocarbon dating .
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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 .
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原始的碳纤维材料很像布料。
In its untreated state the carbon fibre material is rather like cloth .
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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 .
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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
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有机化合物的分子中含碳。
Organic compounds contain carbon in their molecules .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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这样的碳原子称为手性碳。
Such a carbon is designated as a chiral carbon .
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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 .
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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 .
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糖含有碳原子。
There are carbon atoms in sugar .
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钻石是纯净的碳。
Diamonds are pure carbon .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .