当美国还拥有充足的能生产氢的煤炭和天然气的供应时，有什么理由不喜欢它呢？
As America has abundant supplies of coal and natural gas from which hydrogen can be made, what's not to like about it?
即使使用来自天然气的氢，它在城市驾驶的留有富裕的碳排放也仅有30克/公里。
Even using hydrogen derived from natural gas, its well-to-wheel carbon emissions for urban driving are only 30 grams/km.
一些人甚至梦想用天然气制造氢，用以提供燃料电池汽车的动力，但支持者们承认这个方向上还有很长的路要走。
Some even dream of using natural gas to make hydrogen which would power fuel-cell cars, though advocates admit that these are still a long way off.
Harris指出，世界上几乎95%的氢是由天然气生产的，其方法是使甲烷与水蒸气在化石燃料转换器中发生反应生成氢和二氧化碳。
Harris points out that around 95 per cent of the world's hydrogen is already sourced from natural gas, using fossil fuel reformers that react methane with steam to produce hydrogen and carbon dioxide.
燃料电池是将化学能直接转化为电能的电化学装置，它以氢、天然气及碳氢化合物为燃料，从而产生电能。
A fuel cell is a device that can convert chemical energy to electricity. It generates electricity from fuel such as hydrogen, natural gas and other hydrocarbons.
氢的爆炸潜能(单位质量含有的能量)大约是天然气中甲烷的两倍。
The explosive potential (energy content per unit mass) of hydrogen is about twice that of the methane in natural gas.
如果要从水或者天然气中获取纯氢，那么你就必须警醒能量消耗巨大的提纯。这种提纯过程所使用的能量则是来自于燃烧煤或者石油。
To get pure hydrogen from water or natural gas, you have to use a purification process that requires lots of energy that's obtained by burning coal or oil.
同时从天然气中提取氢燃料会制造出很多二氧化碳，相当于小型燃油车辆排放量的两倍。
And producing hydrogen from natural gas creates a lot of carbon dioxide-about double what a small, petrol-based car emits.
和原油和天然气一样，大多石油化学产品主要由碳和氢组成，称为烃。
Like crude oil and natural gas, most petrochemicals consist mainly of carbon and hydrogen and are called hydrocarbons.
一辆尚处于实验阶段的清洁能源汽车依靠天然气行驶。另一辆使用从谷物蒸馏而来的酒精。第三辆则装有由氢燃料电池提供能量的零排放发动机。
One experimental clean-energy car runs on natural gas. Another USES ethanol distilled from corn. A third has a zero-emissions electric motor powered by a hydrogen fuel cell.
对于天然气输送管道，需研制抗氢致裂纹的专用管线钢管；
For the natural gas transmission pipeline, the special steel pipe that can resist hydrogen cracking should be developed.
况且，中国的煤、天然气、水力资源丰富，为氢的制造提供了条件。
Moreover, the coal, the natural gas, waterpower resources of China are abundant which offer the condition for manufacture of the hydrogen.
氢有多种来源，比如天然气和水。
Hydrogen can be derived from various plentiful sources, including natural gas and even water.
在天然气输送工程中，广泛存在着管道的氢损伤问题。
Hydrogen damage problem of pipelines exists extensively in natural gas transmission engineering.
生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。
In the production of nitrophosphates by the mixed acid process the main components of the acidulation tail gas are nitrogen oxides, and the steam condensate from evaporation contains ammonia.
通过综合比较与技术分析，指出天然气重整制氢工艺在生产成本方面有较大优势，且在粉末冶金企业中已有成功应用的先例；
The results of comparison and technical analysis show that the latter is much more superior in respect of production and it is successfully applied in the P/M enterprises.
一些人甚至梦想用天然气制造氢，用以提供燃料电池汽车的动力，但支持者们承认这个方向上还有很长的路要走。
Some even dream of using natural gas to make hydrogen which would power fuel- cell cars , though advocates admit that these are still a long way off .
矿物燃料制氢是主要的制氢方法，其中以天然气蒸汽转化制氢的成本最低。
Hydrogen production from fossil fuel is the major processes in which steam reforming of natural gas is one of the most economic processes.
碳氢化合物：一种有机化合物(例如乙炔或丁烷)，只包含碳和氢两种物质，通常出现在石油、天然气、煤炭和沥青中。
Hydrocarbon: an organic compound (as acetylene or butane) containing only carbon and hydrogen and often occurring in petroleum, natural gas, coal, and bitumens.
生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。
A protective gas generation system is adopted with dissociation of liquid ammonia to get hydrogen and air separation to get nitrogen.
介绍了水电解制氢和天然气重整制氢技术的原理及其工艺流程。
The paper describes the principles and process flowsheet of hydrolytic and electrolytic hydrogen making and hydrogen making by natural gas reformation.
在以氢和天然气为主的车用燃气的存储技术中，吸附存储材料以其密度小、吸脱气体速度快等优点使吸附存储成为一类极具发展潜力的存储技术。
Among the storage technologies of automotive fuel gases (hydrogen and nature gas), adsorption storage is a promising technology for the low density and fast desorption of adsorption storage materials.
研究了天然气蒸汽转化制合成气催化剂在无氢条件下开车进行还原，取得成功。
A study is carried out on start-up and reduction, under a condition without hydrogen, of the catalyst for steam natural gas reforming to synthesis gas, which has turned out a success.
简单介绍目前家庭使用能源煤，石油，天然气对环境的污染，使用氢能可以解决一些环境问题。
Briefly introduce pollutions to environments caused by energy of coal, petroleum and natural gas used in families currently, to use hydrogen may solve some problems.
产生氢最好的办法是燃烧天然气，此外，燃烧氢会减少排出物，因为氢和氧反应产生水。
The best way to create hydrogen is to burn natural gas. Burning the hydrogen would then lower emissions, as hydrogen reacts with oxygen to produce water.
试验结果表明：三种催化器都能使天然气掺氢发动机排放达到环境友好型汽车标准。
The results show that all the three types of catalytic converters can make the HCNG engine meet enhanced environmentally friendly vehicle (EEV) emission standard.
数据不广泛是可利用的为氢的费用，但根据分析(Padro和Putsche 1999)氢的费用的比与它的LHV是大约天然气的二次。
Data are not widely available for the cost of hydrogen, but according to an analysis (Padro and Putsche, 1999) the ratio of the cost of hydrogen to its LHV is about two times that of natural gas.
数据不广泛是可利用的为氢的费用，但根据分析(Padro和Putsche 1999)氢的费用的比与它的LHV是大约天然气的二次。
Data are not widely available for the cost of hydrogen, but according to an analysis (Padro and Putsche, 1999) the ratio of the cost of hydrogen to its LHV is about two times that of natural gas.
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