Methane is a powerful greenhouse gas in its own right, but it has emerged that it is also triggering a great deal more global warming by contributing to the formation of significant levels of ground level ozone-indeed more than was previously supposed.
Compared with carbon dioxide, methane has a shorter lifetime in the atmosphere but is better at trapping radiation, so methane's impact is more than 25 times greater than that of carbon dioxide over a 100-year period, according to the U.S. Environmental Protection Agency.
It had been proposed that the methane were being replenished by meteorites entering the Martian atmosphere, but researchers from Imperial College London have found that the volumes of methane released this way are too low to maintain the measured levels of the gas.[12].
The presence of methane on Mars is very intriguing, since as an unstable gas it indicates that there must be(or have been within the last few hundred years) a source of the gas on the planet.
Methane, escaping from pockets released to the air by the movement of rock layers, especially in the stretch zone where these rock layers are being pulled apart, can fumigate the area while rising(as happened on Jan 8, 2006 during a large Earth Fart) or can explode.
Reuse of CO2 as fuels, chemical feedstock and other valuable materials is considered a useful way of efficient CO2 usage. Methane, the main component of natural gas(or town gas), holds great potential as an energy carrier*1, and because existing infrastructure for natural gas can be employed directly, it offers significant benefits.
Methane has up to 25 times the greenhouse gas potential of CO2 over a 100-year period, though it has historically proven difficult to quantify just how much methane is actually spewing from well blowouts, fissures in pipelines, and intentional releases from high-pressure gas valves and pipeline compressors.
Systematic catalyst of fuel cell oxidizing the methyl alcohol directly Use the hydrocarbon to be the charge-in directly, can simplify the fuel system of the fuel cell, but with electric catalysis progress of technology at present, petroleum, or methane still very much difficult to go on the electric catalysis promoter in the normal atmospheric temperature, the high polymer membrane fuel cell of direct methyl alcohol charge-in is a system relatively hopeful to be commercialized at present.
メタンは燃えるガスである。
Methane is a flammable gas.
二酸化炭素の結晶、メタンは高濃度。
High concentration of carbon dioxide crystals, methane.
メタンは太陽系ではありふれた気体。
Methane is common in the solar system.
メタンは太陽系ではありふれた気体。
Methane is a common substance in the solar system.
メタンはCH4、二酸化炭素はCO2。
Methane is CH4 and carbon dioxide is CO2.
メタンはCH4、二酸化炭素はCO2。
Methane is CH4, while carbon dioxide is CO2.
メタンは特に厄介な温室効果ガスです。
Methane is a particularly nasty greenhouse gas.
メタンは特に厄介な温室効果ガスです。
Methane is an especially damaging greenhouse gas.
メタンは大気中の寿命が短いし。
Methane is short-lived in the atmosphere.
メタンは大気中の寿命が短いし。
Methane is relatively short-lived in the atmosphere.
メタンは特に厄介な温室効果ガスです。
Methane is an especially virulent greenhouse gas.
メタンは、二酸化炭素より84倍も有害です。
Methane is 84 times more harmful than carbon dioxide.
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