氢是宇宙中最普遍的元素，可以有多种来源，但是它总是倾向于与重元素污染并存这一事实才是关键。
This is the most common element in the universe and so could come from many sources, but the fact that it tends to coincide with heavy-element pollution is telling.
研究还发现利用WWS资源充电的电池汽车和氢燃料电池汽车有助于大幅降低交通领域的污染。
The study also found that battery-electric vehicles and hydrogen fuel-cell vehicles recharged by WWS options would largely eliminate pollution from the transportation sector.
从理论上讲，氢燃料电池驱动的汽车是无污染的，但由于氢难以廉价、大量地生产，这种汽车在普及方面打了折扣。
Vehicles powered by hydrogen fuel cells are, in theory, pollution-free but their popularity has been compromised by the difficulty of generating hydrogen cheaply and plentifully.
如果氢来自可再生能源或者能源足够，使用氢作为汽车动力既可以减少城市污染又可以减少碳排放。
Using hydrogen to power cars can cut urban pollution and carbon emissions too, if the hydrogen comes from a renewable source or is used efficiently enough.
第二，使用氢燃料并不能解决汽车造成的环境污染。
Second, using hydrogen would not solve the pollution problems associated with cars.
燃料电池汽车的零污染物排放使得它非常具有吸引力，但是要使用氢作燃料，就必须寻找一种清洁、可承受成本的方式来生产、运输及储存氢气，而这是个很大的挑战。
While fuel-cell vehicles are appealing because they emit no pollutants, it's been a challenge to find clean and affordable ways to produce, transport, and store hydrogen to fuel them.
第二，使用氢燃料并不能解决汽车造成的环境污染。
Second, , using hydrogen would not solve the pollution problems associated with cars.
所以，虽然汽车不会造成环境污染，但是那些为汽车生产氢燃料的工厂却会造成环境污染。
So although the cars would not pollute, the factories that generated the hydrogen for the cars would pollute.
开发氢能源是解决全球能源危机和大气污染的一项重要措施，而燃料电池是一种利用氢能进行能量转换的有效装置。
Developing hydrogen-energy is an important method to solve the global energy crisis and the air pollution, and the fuel cell is the best way in which hydrogen is utilized.
锌铝涂层(也叫达克罗涂层)是一种新兴的金属防腐涂覆技术。它具有高耐蚀、无污染、无氢脆等优点。
The zinc aluminum coating (also called "Dacromet") is a recently developed anticorrosive technology which has the advantages of high anticorrosion, low pollution and no hydrogen brittleness.
达克罗涂层由于具有优良的耐蚀性、无氢脆、无污染等特点而得到广泛应用。
Dacromet coatings have been widely adopted for their excellent corrosion resistance, no hydrogen embrittlement and light environmental pollution.
贮氢合金生产中的废料和边角料的回收，既实现了对资源的循环利用，又减少了废料对环境的污染。
Recovering effective component from hydrogen storage alloy waste materials and scrap materials will be assistance of both recycling recourse and reducing its pollution on environment.
氢能是人类未来的新能源，是因为氢能具备燃烧效率高及无污染等特点。
Hydrogen is a new energy future of humanity is due to hydrogen combustion with high efficiency and no pollution.
氢是一种十分理想的载能体，它具有能量密度高，热转化效率高，清洁无污染等优点。
As an ideal energy carrier, Hydrogen has advantages of high energy density, high convert efficiency and cleanness.
在能源紧张、环境污染严重的今天，氢作为一种高能量密度，清洁的新能源，已日益受到人们的瞩目。
Hydrogen has been regarded as one of the new energy sources because of its cleanliness and high energy density.
单独收集二级三氯氢硅可降低生产能耗，避免二级三氯氢硅与原料氯硅烷之间的交叉污染。
The single collection of the secondary trichlorosilane can reduce production energy consumption and avoid the cross contamination between the secondary trichlorosilane and raw chlorsilane.
将纤维素物质转化为酒精和氢等生物能源，对解决人类目前所面临的能源短缺与环境污染等问题有重要意义。
The conversion of cellulosic biomass into bio-energy, such as ethanol and hydrogen, will decrease the requairment of fossil energy and improve the environment.
大力开发生物质能和氢能可以改善能源结构，减少环境污染，满足人们对清洁能源的需求。
The development of bioenergy and hydrogen energy will not only change the structure of energy resources, but also fit the necessary for clean energy resources.
氢能清洁无污染，并且高效，可再生，被视为未来最有潜力的。
Hydrogen is viewed as the most potential energy carrier because it's clean, efficient and renewable.
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.
氢能可提供稳定、高效、无污染的动力，在电动汽车等领域有广阔的应用前景。
Hydrogen is capable of providing highly stable, efficient and pollution-free power. Its potential application in onboard automotive industry and stationary power generation is promising.
随着化石能源消耗的激增和环境污染日趋严重，人们对清洁能源如氢能倍加重视。
As the significant increase of fossil energy consumption and the ever-worsening pollution of our environment, human beings have paid great attention to using clean energy, for example hydrogen energy.
除了会减少污染外，新的引擎还以更高的效率把汽油和氢能转化成电能，驱动汽车行驶。
In addition to being less polluting, the engines are extremely efficient in converting gasoline or hydrogen into electric power to drive the vehicle.
除了会减少污染外，新的引擎还以更高的效率把汽油和氢能转化成电能，驱动汽车行驶。
In addition to being less polluting, the engines are extremely efficient in converting gasoline or hydrogen into electric power to drive the vehicle.
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