| 词汇 | example_english_molecular-oxygen |
| 释义 | molecular oxygencollocation in Englishmeanings of molecularand oxygenThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with oxygen. molecular adjective uk /məˈlek.jə.lər/ us /məˈlek.jə.lɚ/ relating to molecules (= the simplest units of a ... See more at molecular oxygen noun[U] uk /ˈɒk.sɪ.dʒən/ us /ˈɑːk.sɪ.dʒən/ a chemical element that is a gas with no smell or colour. Oxygen forms a large part of the air on earth, and is needed by animals and plants ... See more at oxygen Examples of molecular oxygenThese 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. However, we have observed that some exposure to atmospheric molecularoxygen may have limited, if any, effect on viability of certain methanogens. The binding of the substrate and molecularoxygen into the enzyme leads to loss of one water molecule. For the animals it provided molecularoxygen for the more rapid metabolism demanded by brains and muscles. The tumour is then exposed to red light (visible spectrum) in the presence of molecularoxygen. Kinetic studies on the binding of superoxide anion and molecularoxygen to enzyme. The electrons subsequently pass through the respiratory chain by a series of redox reactions to molecularoxygen. The electrons are passed down the chain and reduce molecularoxygen to water, whereas protons are left behind on one specific side of the membrane. Higher plants, algae and cyanobacteria perform oxygenic photosynthesis, which involves reduction of carbon dioxide to carbohydrate and oxidation of water to produce molecularoxygen. The calculations are performed for a gas with atomic and molecularoxygen in an argon bath, but a full range of gas-phase chemical and surface catalytic effects is considered. These globins dramatically improve the concentration of molecularoxygen that can be dissolved in the biological fluids of vertebrates and some invertebrates. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Conversely, electron-rich styrenes were found to react via a radical-cation mechanism, utilizing methyl viologen or molecularoxygen as a transient electron sink. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The oxidation of water to molecularoxygen requires extraction of four electrons and four protons from two molecules of water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As molecularoxygen is always present in air, ozone is always formed as well. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Green plants provide most of the world's molecularoxygen and are the basis of most of the earth's ecologies, especially on land. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Oxygenic photosynthetic organisms use chlorophyll for light-energy capture and oxidize water, splitting it into molecularoxygen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are carbon monoxide, water vapour and molecularoxygen as well. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Callisto is surrounded by an extremely thin atmosphere composed of carbon dioxide and probably molecularoxygen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The rest of the oxygens are believed to originate from molecularoxygen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The best candidate is molecularoxygen trapped in ice. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The products of this subsequent reduction of molecularoxygen are what are referred to as reactive oxygen species. 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 oxygen See other collocations with oxygen |
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