| 词汇 | methane |
| 释义 | methane noun[ U ] uk /ˈmiː.θeɪn/ us /ˈmiː.θeɪn/ a gas with no smell or colour, often used as a fuel: 甲烷，沼气 Methane is the main constituent of natural gas.甲烷是天然气的主要成分。 Chemicals, chemical compounds & gases acetic acid acrolein acrylamide activated charcoal adenine agglomerate cyanide ethyl alcohol glyphosate H2O HCFC HFC hyaluronic acid hydrochloric acid laughing gas limescale meths oxyacetylene prussic acid tartaric acid methane | American Dictionarymethane noun[ U ] us/ˈmeθ·eɪn/ a gas having no color or smell which is often used as fuel Examples of methanemethane If methane is a causal mechanism, the repetition of the negative carbon excursions could be accounted for by multiple releases of methane. If the biosphere emits less methane when cooler, the feedback would be stabilizing. The same can also be said of near-stoichiometric fuel-air mixtures with very insensitive fuels such as methane. The methane content in the mixtures varied from 2 to 10 % according to the latest estimations for this molecule in the satellite's atmosphere. The release of methane from gas hydrate sources is also an unsatisfactory explanation. This alternative process does not restrict the methane's age to 430 years, because clathrate hydrates can preserve methane of ancient origin for long time periods. A comparison of systems for measuring methane emissions from sheep. This includes, in particular, polar solvents like ammonia, hydrocyanic acid, and methanol, and possibly non-polar compounds such as methane and ethane. Even from the surface, the analysis would be difficult because of the low methane concentrations. Most of them utilize hydrogen and carbon dioxide to produce methane and water. However, if the irradiation process could be responsible for prebiotic chemistry, the likely starting material would be methane. Samples were cultured under aerobic, anaerobic, methane aerobic and methane anaerobic conditions. One species did demonstrate greater methane production following anaerobic washing after two days of incubation. They transform simple substances such as acetate and methanol into methane. In the present study, landfill is treated as a reactor for enhanced generation of methane gas. 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. Collocations withmethanemethaneThese are words often used in combination with methane. Click on a collocation to see more examples of it. amount of methane Prediction of the amountofmethane produced by ruminants. atmospheric methane When produced in the atmosphere by the action of sunlight and oxygen on atmospheric methane and other hydrocarbons, it becomes part of smog. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. coal-bed methane We are also undertaking more feasibility work on underground coal gasification and accessing coal-bedmethane. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 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. See all collocations with methane |
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