在所有的气体中氢是最轻的。
而这种液态纯氢是一种极难获取的物质。
氢是温度最低的冷冻剂。
从而提出，氢是地幔羽中的原始热物质。
Then it is proposed that hydrogen is primary hot material in the mantle plumes.
轻质高压储氢是一种切实可行的氢能储运方法。
High pressure hydrogen is a feasible method for hydrogen storage and is widely used by hydrogen fuel cell automobiles.
碳和氢是化学元素。
氢是可燃烧的。
氢是一种清洁能源，它利用后产生的最终产物是水。
Hydrogen is a clean and efficient energy carrier and is expected to play an important role in future energy share.
结果指出，化学反应所产生的氢是造成破裂的主要原因。
It is shown that the hydrogen produced by chemical reaction is the main cause of failure.
高效储氢是氢能利用技术中须要研究解决的关键问题之一。
High efficient storage of hydrogen energy is one of the key technologies that have been paid more attentions.
氢是一种清洁的绿色能源，其应用研究受到了广泛的关注。
Hydrogen as a clean and green resource of energy has attracted extensive attention on hydrogen research and application all over the world.
熊猫氢是一个真实的氢原型与一条健壮的、可靠的驱动系统。
The Panda hydrogen is a true hydrogen prototype with a sturdy, reliable drive system.
这种纯液态氢是种高人工物质，科技上是很难制造和储存的。
This pure liquid hydrogen is a highly artificial substance. It's technologically very difficult to produce and store liquid hydrogen.
生物质制氢是农业废弃物资源化利用的一项很有发展前途的技术。
Hydrogen production by biomass gasification is a promising technology, which belongs to the comprehensive utilization of agricultural wastes.
氢是洁净而高效的能源，并有望在未来能源供求中占有重要位置。
Hydrogen is a clean and efficient energy source and is expected to take an important role in future energy demand.
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.
生物质气化制氢是一项富有前景的制氢技术，已引起了世界各国的普遍关注。
The prospective future of rich hydrogen gas from biomass gasification makes it a common concern of researchers all around the world.
他说：“它的废气排放量是零，不排放碳，而且氢是宇宙中含量最丰富的物质。”
It is zero emissions, there is no carbon, he said. And hydrogen is the most plentiful element in the universe.
目前，氢是唯一的能源载体，可以轻松地在大量生产和在适当的时间进行研究。
Presently, hydrogen is the only energy carrier that can be produced easily in large amounts and on an appropriate timescale.
他说：“它的废气排放量是零，不排放碳，而且氢是宇宙中含量最丰富的物质。”
"It is zero emissions, there is no carbon," he said. "And hydrogen is the most plentiful element in the universe."
他说：“它的废气排放量是零，不排放碳，而且氢是宇宙中含量最丰富的物质。”
It is zero emissions, there is no carbon, "he said." And hydrogen is the most plentiful element in the universe.
氢气广泛用于石油、化工、冶金、电子等行业，水电解制氢是重要的制氢方法之一。
Hydrogen is widely used to industries of petroleum, chemistry, metallurgy and electronics, etc. Hydrogen generation system by water electrolysis is one of the important hydrogen production methods.
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.
氢是宇宙中分布最为广泛的元素，它是类似于木星和土星这样的巨行星主要的构成成分。
Hydrogen is the most abundant element in the universe and is a major component of giant planets such as Jupiter and Saturn.
对车用燃料氢气的储存技术进行了综述和比较，提出高压储氢是氢气储存的主要方向之一。
Summarizing and comparing the hydrogen storage technology about vehicle fuel, this paper draws a conclusion that high pressure hydrogen storage is appropriate and easy.
漏氢是氢冷发电机运行中发生频率较高且危害性很大的事件，严重影响了机组的安全运行。
Hydrogen leakage, which is frequent and with high-risk, severely threatens the operation of hydrogen cooling generator.
氢是最轻的元素，原子核中只有一个质子，而铀这种自然形成的最重元素的原子核中有92个质子。
Hydrogen, the lightest element, has a single proton whereas uranium, the heaviest naturally occurring one, has 92.
氢是最轻的元素，原子核中只有一个质子，而铀这种自然形成的最重元素的原子核中有92个质子。
Hydrogen, the lightest element, has a single proton whereas uranium, the heaviest naturally occurring one, has 92.
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