英语释义

• a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

片语

calcium hydrogen phosphate磷酸氢钙

hydrogen exponent氢指数

Metallic hydrogen[物] 金属氢

hydrogen carbonate碳酸氢盐

hydrogen overvoltage氢超电压

hydrogen phosphate[无化] 磷酸氢盐

hydrogen embrittlement[机] 氢脆

hydrogen sulfate硫酸氢盐；氢硫酸根离子

hydrogen bond[物化] 氢键

hydrogen content[化学] 氢含量

hydrogen sulphide[无化] 硫化氢

hydrogen sulfide[无化] 硫化氢

hydrogen production制氢

sulfureted hydrogen硫化氢

hydrogen peroxide[无化] 过氧化氢

hydrogen cooling[电]

hydrogen welding氢焊接

hydrogen bomb氢弹

atomic hydrogen[化学] 原子氢

hydrogen ion氢离子

hydrogen carrier氢载体；[生化] 递氢体

hydrogen iodide[无化] 碘化氢

hydrogen bonding氢键；氢键结合

hydrogen fluoride[无化] 氟化氢

ammonium hydrogen carbonate[无化] 碳酸氢铵

hydrogen atom[物] 氢原子

hydrogen chloride[无化] 氯化氢

英汉例句

• the unpiloted craft, which can take off from an airport runway, has no external rockets and two engines use hydrogen and oxygen to propel it more than 18 miles into space.

  该无人驾驶工艺，它可以从一个机场的跑到起飞，没有外部火箭和两个引擎使用氢气和氧气来推动它进入太空超过18英里。

• this mostly hydrogen gas, however, absorbs some very specific colors that can be detected in the light of the nearest stars.

  不过这些大部分是氢气的气体会吸收某种特别的色光，在最近的恒星发出的光线下可以被侦测到。

• the unit was damaged by a hydrogen explosion three days after the twin disasters, and the new report raises the likelihood of greater radiation contamination to the area.

  这个反应堆在地震和海啸双重灾难三天后因氢爆炸而受损。新的报告提升了这一地区受到更多辐射污染的可能性。

• water can be reduced to oxygen and hydrogen by electrolysis.

  水通过电解可以分解为氧和氢。

• maybe in the future—in my view, the distant future—we will all travel using hydrogen power.

  以我的观点来看，或许只有在遥远的未来，我们才能使用氢气能源周游世界。

• as long as the atmosphere has molecules of hydrogen and molecules of oxygen, why should we ever run out of water?

  既然大气中存在着大量的氧分子和氢分子，那为什么还会出现水资源短缺的问题？

• hydrogen is a one-valence element.

  氢是一价的元素。

• oxygen unites with hydrogen to form water.

  氧与氢结合而成水。

• some of this energy congealed into particles, which assembled into light atoms like hydrogen and helium.

  有些能量凝结成了粒子，这些粒子组合形成了轻原子如氢和氦。

• he supports the idea of co-operating to develop some components the customers don「t see, such as hydrogen compressors, valves and humidifiers, that don」t effect performance or driving characteristics.

  他支持公司间合作开发一些消费者不会看到的汽车部件，如氢气压缩机，阀门和增湿器，这些部件不会影响到汽车性能或者驾驶特性。

• this could be estimated at 1000 litres of hydrogen for 330 grams of chlorophyll per day whereas for example colza produces roughly only 1000 litres of oil per hectare . . .

  这种农场每天估计能够产生1000升氢气，而且只消耗330克叶绿素；而比如种植菜籽，每公顷土地才能产生大约1000升油。

• scientists have a less explosive recipe for extracting energy from hydrogen and oxygen.

  科学家们有一个从氢和氧中提取能量的爆炸性较小的配方。

• it may provide us with super-clean cars, but we would also have enormous quantities of energy and polluting emissions, linked to producing the hydrogen itself, on our conscience.

  以我的考量，使用氢气或许能提供给我们非常清洁的汽车，但生产氢气本身，会连带消耗巨大的能量和产生污染排放。

• and then even lower down, we have our bonded hydrogen molecule.

  然后继续降低，我们就有了通过共价键结合的氢分子。

• they use it to split water into hydrogen ions, electrons and oxygen.

  在光合作用中，植物将水分解为氢离子、电子和氧。

• nearly all their mass is made up of hydrogen and helium, giving them compositions like that of the sun.

  它们的几乎全部质量都由氢和氦贡献，这使得它们的组成成分与太阳类似。

• water may be resolved into hydrogen and oxygen.

  水可以分解为氢和氧。

• zinc displaces the hydrogen of dilute acids.

  锌置换了稀酸中的氢。

• the existing amounts of hydrogen and helium match theory perfectly - so well, in fact, that cosmologists claim this is the best evidence we have for the big bang.

  氢和氮所存在的总量与理论计算匹配得很理想——实际上，它好得让宇宙论的学者声称这就是宇宙起源于大爆炸的最好证据。

• are the rods the only danger, or are there other components, like cooling tanks or hydrogen containers, that are also dangerous with radioactive meltdown?

  随着反应堆的融化是就只有燃料棒是危险的还是其它反应堆的成分例如冷却池、氢容器也是危险的？