Hydrogen and oxygen combine to form water.
氢与氧化合成水。
Water contains hydrogen and oxygen.
水含有氢和氧。
Water can be resolved [decomposed] into hydrogen and oxygen.
水可分解为氢和氧。
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。
Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.
在水中大多数氢原子和氧原子是稳定的，但这两个元素也有微量以较重的同位素形式存在。
By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline.
通过测量一束头发上较重的氢和氧同位素的比例，科学家可以构建一个地理时间轴。
These devices then combine hydrogen and oxygen to make water and liberate electricity in the process.
然后这些装置将氢和氧合成水，并在这个过程中释放电力。
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。
Water may be resolved into hydrogen and oxygen.
水可以分解为氢和氧。
Chemical analysis of water yields hydrogen and oxygen.
水经过化学分解产生氢和氧。
Hydrogen and oxygen atoms can vary in how much they weigh.
氢和氧原子可能在重量上多少有点变化。
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。
Fuel cells to generate electricity operate on hydrogen and oxygen.
发电的燃料房就是使用氢和氧。
Our bodies break water down into its parts: hydrogen and oxygen.
我们的身体把水分解成它的成份：氢和氧。
Water is a compound because it can be split into its components, hydrogen and oxygen.
水是化合物它可被分解成氢和氧这两种成分。
Hydrogen fuel cells work by combining hydrogen and oxygen to produce electricity.
氢燃料电池通过氢氧结合产生电能。
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。
On a biochemical level, a Carbohydrate is a simple fusion of carbon, hydrogen and oxygen molecules.
从生化角度讲，碳水化合物是一个含有碳，氢，氧元素的简单化合物。
So, if hydrogen and oxygen molecules are not simply mating up, just what has been the origin of our water?
那么，既然氢气和氧气分子很难结合，那么我们现在的水是怎么产生的？
The hydrogen and oxygen, separated and on-hand, can be used to power a fuel cell whenever energy is needed.
把氢气和氧气分开存放，这样在需要能源时就可用它们来驱动燃料电池。
Instead it has to be manufactured by splitting water into hydrogen and oxygen, a process that consumes energy.
这种依靠人工的将水分离成氢和氧的过程也是需要消耗能量的。
Using liquid hydrogen and oxygen in rockets will provide major advantages for landing astronauts on the moon.
以液氢和液氧为燃料的火箭将为宇航员登陆月球提供尤其重要的有利条件。
There is no doubt; tequila has the exact proportion of carbon, hydrogen and oxygen atoms necessary to form diamonds.
毋庸置疑，酒中有精确的形成钻石的碳氢氧比例。
IBEX has also generated the first maps of neutral hydrogen and oxygen atoms entering the solar system from interstellar space.
IBEX还产生了第一张从外部空间进入太阳系的中性氢原子和氧原子的地图。
"In a thirsty world filled with hydrogen and oxygen," Mr Derman has written, "someone had finally worked out how to synthesise H2O."
德尔曼写道：“在一个充满了氢与氧的干渴世界，终于有人发现了合成水分子(H2O)的方法。”
We have one organism that lives off of carbon monoxide, and we use as a reducing power to split water to produce hydrogen and oxygen.
有种依赖一氧化碳生存的生物，我们利用其还原能力使水分子破裂，制造出氢和氧。
The link between energy and water is not always apparent, but the two are as intertwined as the hydrogen and oxygen atoms in a bottle of Evian.
能源和水之间的联系并非常常如此明显，这两者就好比交织在一瓶依云水里面的氧原子和氢原子。
The first of these involves splitting water into hydrogen and oxygen, a notoriously difficult thing to do because water molecules are so stable.
其中第一个步骤就是将水分解为氢和氧，这极其困难，因为水分子非常稳定。
Wind and solar plants could be used to drive the process of splitting water into hydrogen and oxygen – and the hydrogen piped to filling stations.
可以利用风能和太阳能工厂将水分解成氢气和氧气——然后氢气通过管道运输到加氢站。
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