汽油中的能量来自碳氢化合物。
通过化学反应，可以产生碳氢化合物。
这些反应增加了不完全燃烧的可能性，更有可能释放未燃尽和光化学活性碳氢化合物到大气中。
These reactions increase the probability of incomplete combustion and are more likely to release uncombusted and photochemically active hydrocarbon compounds into the atmosphere.
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.
电解水，催化分解碳氢化合物？
Electrolysis of water, catalytic decomposition of hydrocarbons?
这种地质作用形成复杂的碳氢分子。
This geological process created complex molecules of hydrogen and carbon.
芳烃是环状碳氢化合物，如苯，甲苯和二甲苯。
The aromatics are ringed hydrocarbons, such as benzene, toluene and xylene. Benzene is used to make polystyrenes e.g.
他回头看了看尾气探测器显示的碳氢化合物读数。
He looked back to see the hydrocarbon count registering from the exhaust sniffer.
各溜分可以由碳氢化合物的碳原子数确定其特征。
The various distillates can be roughly characterized by the number of carbon atoms in their constituent hydrocarbons.
我们非常惊讶，它竟然可以产生如此多碳氢化合物。
We were totally surprised to learn that it was making a plethora of hydrocarbons.
燃烧碳氢化合物(天然气和汽油)会产生水和CO2。
Burning hydrocarbons (natural gas and petrol) yields both water and CO2.
当碳氢化合物燃烧时，该键被破坏以生成二氧化碳和水。
When a hydrocarbon is burned, these bonds break apart in order to form carbon dioxide and water.
其他组分有同系烷、乙烷、丙烷以及高分子碳氢化合物。
Other components are the homologous alkanes, ethane, propane, and higher hydrocarbons.
毋庸置疑，酒中有精确的形成钻石的碳氢氧比例。
There is no doubt; tequila has the exact proportion of carbon, hydrogen and oxygen atoms necessary to form diamonds.
乙烯还可以转变成烷烃——是石油中含有的一种碳氢化合物。
Ethylene can also be turned into alkanes, a class of hydrocarbons that are a component of gasoline.
通过燃烧矿物发电的火力发电厂会释放碳氢化合物和氮氧化物。
Electric power plants that burn fossil fuels release hydrocarbons and nitrogen oxides.
烯烃主要是来自石油气或大分子的碳氢化合物裂解，如乙烯，丙烯。
The olefins, such as ethylene and propylene, are formed from petroleum gas or from cracking of larger hydrocarbons. Ethylene is used to make polyethylene e.g.
阻挡巴西乙醇进军北美市场的关税并不适用与完全替代型碳氢化合物。
Tariffs that block Brazilian ethanol from northern markets do not apply to drop-in hydrocarbons.
例如，“裂解”在催化剂和加热下，将大分子的碳氢化合物破坏成小的。
For example, "cracking" involves breaking larger hydrocarbons into smaller ones with either heat or catalysts.
乙醛脱羧酶帮助醛脱去羰基形成仅有碳氢原子组成的链，即碳氢化合物。
The enzyme aldehyde decarbonylase helps remove this group to form a chain of hydrogen and carbon atoms--the hydrocarbon.
这种特殊的能变化的塑料是由长链碳氢化合物通过微细金属“胶”合而成。
The ‘ingenious and transformative’ plastic is made up of long chains of hydrocarbons ‘glued’ together by tiny plugs of metal.
页岩的开采也许会抑制价格上涨的压力，削弱依赖碳氢化合物的经济依据。
Its exploitation may check the upward pressure on prices, weakening the economic case for reducing dependence on hydrocarbons.
NASA的船可能会降在泰坦的其中一个碳氢海的里面，去检测这里的构成。
NASA's boat would parachute into one of Titan's hydrocarbon seas to check out its composition.
新的推测认为泰坦的碳氢湖充满了乙炔，一种可以成为耐寒生物养料的物质。
New calculations suggest Titan's hydrocarbon lakes are loaded with acetylene, a chemical some scientists say could serve as food for cold-resistant organisms.
除含有高能量外，长链碳氢化合物也适合构建更复杂的分子，如塑料和药品。
Besides having a high energy density, the long chains of hydrocarbons are also good building blocks for constructing more complex molecules, such as plastics and pharmaceutical drugs.
它们具有的另一个优势在于，它们中有些是纯粹的碳氢化合物，类似与汽油。
They have the additional advantage that some are pure hydrocarbons, like petrol.
不少欧洲国家向俄罗斯购买天然气，俄罗斯用碳氢化合物作为武器威慑其邻国。
Many European countries buy gas from Russia, a country that USES hydrocarbons as a weapon to bully its neighbours.
出现了碳氢化合物，没有出现一氧化碳，强烈显示2009年的撞击物是缺水的。
The presence of hydrocarbons, and the absence of carbon monoxide, provide strong evidence for a water-depleted impactor in 2009.
LS9之前报道了用细菌生产碳氢原料，但这次是研究者首次揭秘他们是如何做的。
LS9 had previously reported using bacteria to produce hydrocarbon fuel, but this is the first time the researchers have revealed how they did it.
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