它是多种碳氢化合物的混合体。
典型的例子是碳氢化合物的卤化。
石油是固体，液体或气体碳氢化合物的总称。
Petroleum is the general term for solid, liquid or gaseous hydrocarbons.
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.
实际上，天然气和石油是我们碳氢化合物的主要来源。
Natural gas and petroleum are in fact our chief sources of hydrocarbons.
富含能够产生碳氢化合物的有机物质的地层叫做生油层。
The beds, rich in organic material from which hydrocarbons originated, are called source beds.
碳氢化合物的改进物。使引擎在高压缩比时运转较为顺畅。
Cetane improver. Makes the engine run better at higher compression Settings.
原油是碳氢化合物的混合物，是各种形式的有价值的这个自然。
Crude oil is a mixture of various hydrocarbons and is valuable in this natural form.
结果表明：低温、高压、低空速有利于长链碳氢化合物的生成。
The results indicated that the low temperature, high pressure, and low space velocity are favorable to produce the long-chain hydrocarbons.
我们必须努力推动技术进步，来帮助我们减少对于碳氢化合物的依赖。
We must work to advance technologies to help us become less dependent on hydrocarbons.
液化石油气是一种具有高热值的碳氢化合物的混合物，可以用来发电。
Liquefied petroleum gas (LPG) is a kind of hydrocarbon compound with high heat value, can be used for power generation.
还可以通过碳氢化合物的热裂解或甲烷同氧的不完全燃烧来生产乙炔。
It is also manufactured by thermal cracking of hydrocarbons, or by partial combustion of methane with oxygen.
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.
空气通过一个去除了水蒸汽、二氧化碳和碳氢化合物的清洁系统压缩和输运。
Air is compressed and sent through a clean-up system where moisture, carbon dioxide, and hydrocarbons are removed.
苯胺点用来表现纯净的碳氢化合物的特性并用于显示烃类混合物里的芳烃含量。
Aniline point is used to characterize pure hydrocarbons and to indicate the aromatic content of hydrocarbon mixtures.
除了首要的SO_2和NO_x以外，汞以及碳氢化合物的控制也逐渐提上日程。
In addition to the primary SO_2 and NO_X, the controls of mercury and hydrocarbon are gradually proposed the program.
有关石油碳氢化合物的起源问题，有着各种各样的理论和推测，可以说是一个热门话题。
Various theories and suppositions have been proposed about the origin of petroleum hydrocarbons. It is really a hot topic .
碳氢化合物的沉淀，如石油、煤、天然气等，由古代生物衍生而成，经过开发后用作燃料。
A hydrocarbon deposit, such as petroleum, coal, or natural gas, derived from living matter of a previous geologic time and used for fuel.
在北方的夏天中间时候，甲烷的释放速度可以同加州圣巴巴拉煤油点大量碳氢化合物的渗出相比。
At northern mid-summer, methane is released at a rate comparable to that of the massive hydrocarbon seep at Coal Oil Point in Santa Barbara, Calif.
这条河发源于泰坦的北极地区，全长400千米，最后注入黎盖娅海。黎盖娅是碳氢化合物的海洋。
In Titan's north polar region, the river flows some 400 kilometers into Ligeia Mare, a giant sea of hydrocarbons.
通过水同电石的反应生产乙炔。还可以通过碳氢化合物的热裂解或甲烷同氧的不完全燃烧来生产乙炔。
Acetylene is manufactured by the reaction of water with calcium carbide. It is also manufactured by thermal cracking of hydrocarbons, or by partial combustion of methane with oxygen.
到1998年，碳氢化合物的释放必须在原来的标准上再下降30%，同时氮氧化物的排放再下降60%。
By 1998, hydrocarbon emissions will have to be cut 30% below the Prior standard, while nitrogen oxides must be cut 60%.
利用诱导效应指数，建立了某些碳氢化合物的燃烧热经验计算式，30个可比较值的平均相对差为0.04%。
By using the inductive effect index, the formula for calculating the combustion heats of some normal hydrocarbons has been built up. The average relative deviation for 30 data is 0.04%.
到1998年，碳氢化合物的释放必须在原来的标准上再下降30%，同时氮氧化物的排放再下降60%。好评(0)。
By 1998, hydrocarbon emissions will have to be cut 30% below the prior standard, while nitrogen oxides must be cut 60%.
就在这一年马来西亚国家石油公司被赋予该国碳氢化合物的专有权，迫使外国人转向产品分成，然而它仍需向外国人借鉴学习。
That year Petronas was given exclusive rights to the nation’s hydrocarbons; it forced the foreigners to switch to production-sharing contracts while it learned the ropes from them.
他不相信这种技术能预测石油的流量，即使对于含有大量碳氢化合物的岩石也无法预测——石油流量是油田经济中至关重要的指标。
He does not believe that the technique can predict flow rates, even from rock that contains a lot of hydrocarbons-and flow rates are crucial to an oil field's economics.
沙特阿拉伯国家石油公司称其碳氢化合物的储备为2610亿桶，超过最大的私人石油公司——埃克森美孚国际公司的十倍储量。
At 261 billion barrels, Saudi Aramco's stated hydrocarbon reserves are more than ten times those of ExxonMobil, the largest private oil company.
遗传工程培育出的细菌几乎从一开始就能保证它们产出的碳氢化合物的质量一直都很好，省去了麻烦，所以这也许要求额外费用但却无需大费力气。
Genetically engineered bugs making hydrocarbons more or less from scratch could guarantee consistent quality without the hassle, thus perhaps commanding a premium with no extra effort.
2006年环境署就发布了汞和碳氢化合物的标准，但是这些标准仅适用于2005年12月2日以后修建的水泥窑，因此就造成当时大多数正在运行的水泥窑并不受该标准的制约。
The agency issued standards for mercury and hydrocarbons in 2006. But they applied only to kilns built after Dec. 2, 2005, so most kilns then operating were exempt.
2006年环境署就发布了汞和碳氢化合物的标准，但是这些标准仅适用于2005年12月2日以后修建的水泥窑，因此就造成当时大多数正在运行的水泥窑并不受该标准的制约。
The agency issued standards for mercury and hydrocarbons in 2006. But they applied only to kilns built after Dec. 2, 2005, so most kilns then operating were exempt.
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