Water contains hydrogen and oxygen.
水含有氢和氧。
Bacteria feed on this oil and release hydrogen sulfide gas.
细菌以这种油为食，并释放硫化氢气体。
Water is a compound containing the elements of hydrogen and oxygen.
水是含有氢元素和氧元素的化合物。
Another option is to store the energy by transforming it into hydrogen fuel.
另一种选择是通过将其转化为氢燃料来储存能量。
The first bubbles to escape from the liquid are a mixture of air and hydrogen.
从该液体中最先逸出的气泡是空气和氢的混合物。
Water is composed of hydrogen and oxygen.
水由氢与氧化合而成。
Water is a compound containing the elements hydrogen and oxygen.
水是含有氢元素和氧元素的化合物。
The red is from ionized hydrogen.
红色部分来自电离氢。
以氢为例。
Where do you get the hydrogen from?
氢哪儿来？
What is then burned is pure hydrogen.
之后燃烧的就是纯氢气了。
Its color is due to ionized hydrogen.
它炫目的色彩归功于电离氢。
加上氢气。
So now these are still hydrogen bonded.
那么现在这些仍然通过氢键连接。
Oxygen unites with hydrogen to form water.
氧与氢结合而成水。
In atomic hydrogen, is it fast? Is it slow?
在氢原子里，速度是快还是慢？
Water may be resolved into hydrogen and oxygen.
水可以分解为氢和氧。
So let's say, for example, in a hydrogen atom.
比如说，在氢原子里。
You can release hydrogen molecules at any time.
你随时都可以释放氢分子。
Now here are these two isolated hydrogen atoms.
现在这是两个分别独立的氢原子。
You do not get this line from molecular hydrogen.
从氢分子中我们得不到这种光线。
Also, there's still hydrogen in the primary loop.
此外，主回路中还存在氢气。
That is the ground state energy of atomic hydrogen.
同时也是氢原子基态的能量值。
And there is the problem of where to get the hydrogen.
此外，氢的来源也是个问题。
What symbol stands for hydrogen and what for oxygen?
什么符号代表氢，什么符号代表氧？
Support for hydrogen power was 32%, down from 36% in 2007.
同样，氢能的支持率从36%降至32%。
Because there's weak hydrogen bonding between the unlike species.
因为在不同种分子间，存在较弱的氢键。
Now I want to ask, what's the nature of the carbon-hydrogen bond?
现在我想问问，碳氢键的本质是什么？
They are like the hydrogen and oxygen of the world of mathematics.
他们就像是数学世界的氢和氧一样。
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