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Water is a compound of hydrogen and oxygen.

水是氢和氧的化合物。

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A chemist can isolate the oxygen from the hydrogen in water.

化学家可以把水中的氢和氧分离开来。

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The main reason of leading to overhigh hydrogen content was insufficient anneal after forged.

锻造后足是导致氢含量过高的主要原因。

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Hydrogen embrittlement of 2205 duplex stainless steel has been evaluated using electrochemical permeation measurement, hydrogen microprint technique and slow strain rate tensile test in this study.

摘要本实验主要利用电化学氢渗透量测、氢原子微印技术及慢速率拉伸试验,2205相?的氢脆性与氢原子扩散方式的关系进行探讨。

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Hydrogen embrittlement of 2205 duplex stainless steel has been evaluated using electrochemical permeation measurement, hydrogen microprint technique and slow strain rate tensile test in this study.

摘要本实验主要利用电化学氢渗透量测、氢原子微印技术及慢速率拉伸试验,2205相锈的氢脆性与氢原子扩散方式的关系进行探讨。

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The invention is applied to the catalytic reactions such as aromatic ketone unsymmetrical hydrogen transfer reaction and can achieve very high yield and enantiotropic selectivity.

此发明应用于芳香酮的称氢转移反应等的催化反应中,可以得到很高的产率和映选择性。

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In the whole process of forming hydrocarbon, there exist the joining and removal of hydrogen or oxygen atom and heteroatom from the beginning to end.

人所熟知的胡萝卜烷由胡萝卜素加氢构成,在转化中需要消耗大量的氢,因而整个过程是非常典型的氧化还原反应。

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The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生,该处马氏体含量比较大,碳化物及夹杂物较多,氢的偏聚现象严重。

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The dehydriding temperature and dehydriding capacity were evaluated by differential scanning calorimeter (DSC) and thermogravimetric analysis (TG).

运用差热分析和热重分析储氢材料的放氢温度和放氢量进行了测试。

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TED演讲(视频版)双语精选

There are other colors of hydrogen out there, but they use fossil fuels.

世界上还有别的“颜色“的氢,但那些都是用化石燃料生的。

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VOA 常速 2016年2月合集

The car is powered by compressed hydrogen, which, in combination with oxygen from the air, produces electricity in the car's fuel cell. The only byproduct is water vapor.

这款汽车将由压缩氢提供动力,其中的氢将中的氧相结合,在汽车在燃料电池里制造电力,唯一的副产品是水蒸。

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科学60秒 听力 2013年2月合集

They detected a heavy hydrogen molecule called hydrogen deuteride.

他们探测出了一种叫做氘化氢的高质量氢分子。

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当月 CNN 10 学生英语 2019年10月合集

And though there aren't immediate plans to actually build this, it would be unique and that it would be the world's first super yacht powered by hydrogen, that could make it more environmentally friendly.

虽然目前没有任何计划将它建造,这将是独一无二的,而且它将为世界上第一艘由氢驱动的超级游艇,这将使其更加环保。

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CNN 10 学生英语 2018年5/6月合集

Hydrogenation, which simply means to combine with hydrogen, is the process by which fatty acids are solidified.

氢化,就是与氢结合的过程,是脂肪酸固化的过程。

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Vox 观点

It's thought that a lot of Jupiter is made up of this metallic hydrogen.

人们认为木星的大部分是由这种金属氢组的。

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CNN 10 学生英语 2022年11月合集

Where we really need hydrogen is for trucks, for airplanes, for long distance transportation.

我们真正需要氢的地方是卡车、长途运输。

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VOA Special 2019年10月合集

South Korea had sold fewer than 900 of the vehicles through the end of 2018.

截至2018年底,韩国售出的氢燃料电池汽车不足900辆。

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Crash Course 天文篇

When we measure the Sun's elemental abundance, we see it's roughly 75% hydrogen, 25% helium.

当我们测量太阳的元素丰度时,我们看到大约有75%的氢、25%的氦。

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VOA 常速 2016年11月合集

We helped craft the Kigali agreement that will end the production and use of hydrofluorocarbons.

我们帮助制定了基加利协议,将终止氢氟碳化合物的生产使用。

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Big Think超级思想录

The sun also runs on that particular reaction, fusing hydrogen together.

太阳也发生着氢聚变这种特殊的反应。

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TED-Ed(视频版)

Thankfully, the immediate risks of our hydrogen leak are low.

好消息是,氢泄漏的即时风险很低。

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科学60秒 2017年12月合集

And its companion is a hydrogen-rich star, pretty much like our sun.

“另一颗是与我们的太阳非常像的富含氢的恒星。”

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沪教牛津版初中英语八年级下册

The CJ3 is a new type of hydrogen car.

CJ3 是一种新型的氢汽车。

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VOA 常速 2016年1月合集

" We want to create a society that produces, uses, and connects with hydrogen power."

“我们希望建立一个生产、使用并与氢动力连接的社会。”

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金融时报

They are also investing heavily on fuel-celled cars, which has batteries fuelled by hydrogen.

他们还在燃料电池汽车上投入巨资,这种汽车的电池是由氢燃料驱动的。

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小故事大纪实

It contains oxygen and hydrogen that mixes together to form a very explosive combustion, two million pounds of thrust, that gets it off the pad and deeper into space than ever before.

它利用由氢氧组的混合物产生爆炸性燃烧,由此产生了两百万磅的推动力,使得它从发射台上起而深入之前无人踏足过的太。

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Scishow 精选系列

You got your noble gases over here, and hydrogen, the building block of everything in the universe over here, you got your alkali metals and gold and other lovely regular metals in the middle here.

这里有稀有体氢,氢是宇宙万物的组部分,而中间是碱金属、金其他可爱的规则金属。

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美国历史频道纪录片《宇宙》

We know the Earth's oceans contain a mixture of normal water, H2O, and heavy water, HDO, which includes deuterium, a form of hydrogen that is twice as heavy as normal hydrogen.

我们知道海洋中拥有地球上水的混合物水(氧化氢)与重水(氧化氘)含有氘一种氢的同位素,为氢质量的两倍。

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NASA微课堂

And you can get these beautifully complex dendrites with just little spikes off of them, and they are all from that hard binding between the oxygen and the hydrogen within the water itself as it freezes.

你可以得到这些漂亮的复杂的树突,上面有小尖刺,它们都是由于水结冰时氧氢之间的硬结合。

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