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hydrogen
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Derivatives :
adj
hydrogenous
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Collins English-Chinese Dictionary
- hydrogen
['haɪdrəʤən]
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1.
noun
[化]
[u]
氢
Comprehensive English-Chinese Dictionary
- hydrogen
[ˈhaɪdrəʤən]
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1.
n.[u]
[Chemistry]
氢，氢气
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Hydrogen, oxygen, nitrogen and carbon are all important to life on Earth.
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氢、氧、氮、碳都对地球上的生物十分重要。
Collins English-English Dictionary
- hydrogen
['haɪdrɪʤən]
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1.
n
a flammable colourless gas that is the lightest and most abundant element in the universe. It occurs mainly in water and in most organic compounds and is used in the production of ammonia and other chemicals, in the hydrogenation of fats and oils, and in welding. Symbol: H; atomic no: 1; atomic wt: 1.00794; valency: 1; density: 0.08988 kg/m3; melting pt: --259.34°C; boiling pt: --252.87°C - See also deuterium tritium
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2.
n
(as modifier)
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hydrogen bomb
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3.
n
[Etymology]
C18: from French hydrogène, from hydro- + -gen; so called because its combustion produces water
Examples
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An H2O atom can be split into hydrogen and oxygen.
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水原子可分解为氢和氧。
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The energy of the hydrogen bond is largely electrostatic in origin.
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氢键的能量从本质上说主要是静电。
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Hydrogen, carbon and nitrogen are constituents of the abundant volatiles H2O, CO2, N2.
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氢、碳和氮是构成很多易挥发物H20、CO2和N2的元素。
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The carbide reacts with hydrogen on the surface to give a methylene.
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碳化物与氢在表面反应产生亚甲基。
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The hydrogen and the oxygen react.
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氢和氧发生化学反应。
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The hydrogen binds the oxygen.
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氢与氧化合。
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