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。
Water is composed of hydrogen and oxygen.
水由氢与氧化合而成。
氢的精细结构。
Water consists of hydrogen and oxygen.
水由氢和氧二元素合成。
Water is made up of hydrogen and oxygen.
水是由氢气和氧气构成的。
Water is a compound of hydrogen and oxygen.
水是氢和氧的化合物。
Water is a compound of hydrogen and oxygen.
水是由氢和氧化合而成的。
The CJ3 The CJ3 is a new type of hydrogen car.
CJ3汽车CJ3汽车是一种新型的氢气汽车。
Water is made up of atoms of hydrogen and oxygen.
水是氢和氧的原子构成的。
Water is made up of atoms of hydrogen and oxygen.
水由氢和氧的原子构成。
Water, you know, is made up of hydrogen and oxygen.
你知道，水是由氢和氧构成的。
A mixture of hydrogen and natural gas can also be used.
混合氢气和天然气也可以使用。
The transportation of hydrogen, however, is a major challenge.
氢的运输，不过，是一项较大的挑战。
The enormous abundance of hydrogen is almost certainly not real.
氢气的大量存在这一说法，不是真的。
It has studied the action of hydrogen peroxide on nitrous acid.
它研究了过氧化氢对亚硝酸的作用。
So, people are talking about the use of hydrogen in fuel cells.
人们在讨论，如何把氢用在燃料电池中。
It is wide known that water is composed of hydrogen and oxygen.
众所周知，水是由氢和氧构成的。
Some use of hydrogen is made in the welding and cutting of metals.
在金属的焊接和切割中氢也有应用。
So carbon is to the right of hydrogen, this is more electronegative.
碳在氢的右边，所以它较氢更是电负性的。
In addition, the problem of hydrogen attack in steels is also disc...
此外还讨论了钢中的氢蚀问题。
Therefore people pay much attention to the research of hydrogen bond.
故对氢键的研究应用也为人们所关注。
Another negative feature of hydrogen is that it is hazardous material.
氢气的另一个缺点是：氢是一种易爆的物质。
The fact that water is composed of hydrogen and oxygen is undeniable.
合而成这一事实是无可否认的。
Qualitative analysis shows that water is made up of hydrogen and oxygen.
定性分析表明水是由氢氧结合而成的。
In addition, the problem of hydrogen attack in steels is also discussed.
此外还讨论了钢中的氢蚀问题。
The quality of hydrogen is stable, and better economic effect is achieved.
产品氢质量稳定，取得了很好的经济效益。
The addition of hydrogen to another compound, usually an unsaturated organic compound.
向其他化合物，一般为不饱和有机化合物，加入氢。
The article discussed the lightning proof design of hydrogen make machine room mainly .
重点论术了制氢机房的雷电防护设计。
Change the experiment device to produce the same amount of hydrogen to control variables.
改变实验装置，通过产生相同量的氢气来重新控制变量。
Change the experiment device to produce the same amount of hydrogen to control variables.
改变实验装置，通过产生相同量的氢气来重新控制变量。
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