| 词汇 | example_english_molecular-hydrogen |
| 释义 | molecular hydrogencollocation in Englishmeanings of molecularand hydrogenThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with hydrogen. molecular adjective uk /məˈlek.jə.lər/ us /məˈlek.jə.lɚ/ relating to molecules (= the simplest units of a ... See more at molecular hydrogen noun[U] uk /ˈhaɪ.drə.dʒən/ us /ˈhaɪ.drə.dʒən/ a chemical element that is the lightest gas, has no colour, taste, or smell, and combines with oxygen to ... See more at hydrogen Examples of molecular hydrogenThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. The oxygen atmosphere accumulates around this satellite through reactions that break up the water molecules to form molecularhydrogen and oxygen. Probably implanted oxygen ions act as scavengers of electrons or of atomic and molecularhydrogen, promoting the formation of water molecular fragments. Most of these organisms are anaerobes which use inorganic redox reactions of molecularhydrogen, carbon dioxide, iron-, nitrogen-, or sulfur compounds as energy sources. Molecularhydrogen, as the most reduced component in the system, forms a basal component to a deep dark biosphere powered by metastable redox gradients. A subsurface source of molecularhydrogen, along with carbon dioxide, and liquid water, might support the growth of methanogenic microorganisms. Oxidation of released ferrous iron may consume oxygen to such an extent that water decomposes and form molecularhydrogen. The molecularhydrogen formed may be used directly by chemoautotrophic organisms. This was the thermal decay time of the filament that dissociated molecularhydrogen to atomic hydrogen. No other species in these plasmas, specifically molecularhydrogen and various noble gas species, were found to be 'hot'. The fullerene-like structures in carbon dust may be responsible for instance for the formation of molecularhydrogen from atomic hydrogen by an enhanced surface chemistry mechanism. Giant molecular clouds mainly consist of molecularhydrogen and helium but also contain smaller amounts of heavier gases, which may be partially ionized. These are the highest gravimetric molecularhydrogen uptakes for a porous material under these thermodynamic conditions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Atomic hydrogen is much more reactive than molecularhydrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He is perhaps best known for his work with the spectrograph that showed incontrovertible proof that molecularhydrogen exists in the interstellar medium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The molecularhydrogen seen here is one of the most turbulent forms of molecularhydrogen ever seen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Typically, molecular bow shocks are observed in ro-vibrational emission from hot molecularhydrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Want to learn more? Go to the definition of molecular Go to the definition of hydrogen See other collocations with hydrogen |
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