MS在线碳同位素分析技术，能够从微量样品（色谱量级）中获得丰富的单分子碳同位素组成信息。
Using GC/C/MS online carbon isotope analytic technic, abundant imforma- tion about single molecular carbon isotope composition can be taken from micro-samples(chromatographical scale).
有机化合物的分子里含碳。
所有这些替代品都是碳基燃料，其分子比汽油分子更小、更简单。
All of these alternatives are carbon-based fuels whose molecules are smaller and simpler than those of gasoline.
所有这些替代品都是碳基燃料，其分子比汽油分子更小、更简单。
All of these alternatives are carbon-based fuels whose molecules are smaller and simpler than those of gasoline.
植物也会将二氧化碳转化成不同形式的含碳分子，而转化过程所使用的酶与人体内的酶完全相同。
Plants also convert carbon dioxide into different forms of carbon-containing molecules and the conversion process used relies on the very same enzyme that works in humans.
这些分子燃烧起来比汽油更干净，部分原因是它们的碳-碳键更少（如果有的话），而且它们排放的碳氢化合物不太可能产生臭氧。
These molecules burn more cleanly than gasoline, in part because they have fewer, if any, carbon-carbon bonds, and the hydrocarbons they do emit are less likely to generate ozone.
这些分子燃烧起来比汽油更清洁，部分原因是它们的碳-碳键更少或者不存在，而且它们排放的碳氢化合物产生臭氧的可能性更小。
These molecules burn more cleanly than gasoline, in part because they have fewer, if and, carbon-carbon bonds, and the hydrocarbons they do emit are less likely to generate ozone.
具有多重碳-碳键的大分子的燃烧涉及到一系列更复杂的反应。
The combustion of larger molecules, which have multiple carbon-carbon bonds, involves a more complex series of reactions.
那么，在这样极端恶劣的环境下，究竟是什么让那些有机的碳基分子得以幸存并最终进化成生命？
So, under those extreme circumstances, what allowed the organic, carbon-based molecules to hang on and, ultimately, develop into life?
化石燃料和毁林排放的碳分子滞留于大气中，经过许多世纪才能分解掉。
Carbon molecules emitted by fossil fuels and deforestation linger for many centuries in the atmosphere before breaking apart.
地球上所有的生命都需要水、碳基有机分子和某种能量来源——不是太阳能就是化学能。
All life on Earth needs water, carbon-based organic molecules, and an energy source, either solar or chemical.
这是因为就分子而言，碳是一种很好的化学物的结合体。
That's because on a molecular level, carbon is a wonderful chemical joiner.
2005年，“卡西尼”太空探测器飞越土卫二时的勘测资料显示其表面存在碳、氢、氮、氧等元素——这些有机分子被认为是生命形成的必要条件。
Observations from the Cassini probe's 2005 flyby of Enceladus suggest the presence of carbon, hydrogen, nitrogen and oxygen - organic molecules thought to be necessary to develop life.
天然气分子不仅是迄今我们发现的浓缩度最高的碳能量载体，而且它们是流体，易于运输。
Gas molecules are not only by far the densest form of carbon energy we've ever discovered; they're also easy to transfer because they're fluid.
就是说每个分子也都含有氧原子以及在烷烃中存在的碳和氢。
That means each of its molecules contains an oxygen atom as well as the carbon and hydrogen found in an alkane.
这些分子的“不饱和”碳键可以使它们形成长链，称为聚合物。
These molecules have "unsaturated" carbon bonds that allow them to be hooked together in long chains, called polymers.
煤油每个分子约由10到18个碳组成，现主要用于飞机燃料。
Kerosene, with around 10 to 18 carbons per molecule, is now largely used to make jet fuel.
富勒烯被发现时也曾被誉为神奇物质，它及其被称为巴克管的由纯碳组成的圆柱形分子衍生物，至今被人们所推崇，但是它们都没有达到人们所预期的高度。
Both it and its descendants, so-called buckytubes, which are cylindrical molecules made of pure carbon, are still much admired, but they have not yet lived up to their promise.
你有一个分子,我们把碳放在中间，现在我们得到了。
You have a molecule where we put the carbon in the center, and we go up like this, like this, and out the back.
黑碳并不是单独被排放的，它被排放的同时还混合了许多别的物质——比如，有机分子还有各种各样的硫氧化物和氮氧化物。
Black carbon is not emitted alone, but mixed with other things-organic molecules and various oxides of sulphur and nitrogen.
如果我们有乙烷分子，那我们首先有,碳碳之间的sigma键。
If we have the molecule ethane, then what we're going to have first is our sigma bond that we described between the two carbons.
因为，当然，我们这里有一个碳，接下来需要做的就是在你的分子中再加上一个碳。
And because, of course, we have this carbon here what you end up doing is adding a carbon to your molecule.
其中的一些碳最终以烟雾而非二氧化碳的形式排放出来，而那些本该与碳结合的氧分子则转而与空气中的氮结合。
Some of the carbon therefore ends up as soot, rather than carbon dioxide, and oxygen that should be combining with carbon combines with nitrogen from the air instead.
以碳元素为基础构成的分子比其它所有元素构成的分子的总数还要多。
CARBON is the basis of more molecules than all the other elements put together.It is, though, surprisingly inert.
碳元素通过水分子发生作用，就好像……水分子往往附着在炭灰中的碳分子上。
It works by the water molecules, like, adhere to the carbon molecules that are in the ashes.
以碳元素为基础构成的分子比其它所有元素构成的分子的总数还要多。
CARBON is the basis of more molecules than all the other elements put together.
一种称作足球烯的碳分子，它是富勒家族中的一员，可以像笼子一样困住别的化学分子。
The carbon molecule known as a buckyball, a member of the fullerene family, can act as a cage for a variety of other chemicals.
药物、塑料和其他许多工业化学品具有大型的含碳分子。
Drugs, plastics and many other industrial chemicals consist of large carbon-based molecules.
药物、塑料和其他许多工业化学品具有大型的含碳分子。
Drugs, plastics and many other industrial chemicals consist of large carbon-based molecules.
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