Although the system would consume energy, it would return energy to the grid via methane generation from composting nonedible parts of plants.
尽管该系统会消耗能源，但它会通过从植物不可食用的部分堆肥产生的沼气将能源回馈给电网。
Although carbon dioxide is the more important greenhouse gas, methane measurements will be a more practical early application to test the market for this sort of data.
尽管二氧化碳是更为重要的温室气体，但测量甲烷含量作为一个早期应用方法对测试此类数据的市场价值有更实际的作用。
Although carbon dioxide is the more important greenhouse gas, methane measurements will be a more practical early application to test the market for this sort of data.
虽然二氧化碳是一种更主要的温室气体，但是对于甲烷进行监测将是作为验证此类数据市场的一种更为实用的举措。
Many other gases, such as methane and nitrous oxide, contribute to warming, although not as much as carbon dioxide.
其它气体，如甲烷、一氧化二氮等，尽管没有像二氧化碳那样严重的影响气候，但他们依然在加剧全球变暖。
Although scientists have known about the methane under the Arctic - and its potential for leakage - since the 1990s, the study is the first to document it to this degree.
虽然自20世纪90年代以来科学家对北极地下的甲烷及其泄漏的可能有所了解，但这项研究是首次记录到这个程度的文献。
Although scientists have known about the methane under the Arctic - and its potential for leakage -since the 1990s, the study is the first to document it to this degree.
虽然自20世纪90年代以来科学家对北极地下的甲烷及其泄漏的可能有所了解，但这项研究是首次记录到这个程度的文献。
Uranian atmosphere, by composition, is 83% hydrogen, 15% helium and 2% methane although traces of other hydrocarbons have been found.
天王星大气的组成，是83%的氢，15%的氦和2%的甲烷等碳氢化合物虽然已发现的痕迹。
Although there is no evidence of active volcanism on Mars today, ancient methane trapped in ice cages called clathrates might be released now.
虽然今天还没有火星上活火山的证据，被冻结在冰内远古的甲烷有可能现在被释放了出来。
Although there is no evidence of active volcanism on Mars today, ancient methane trapped in ice cages called clathrates might be released now.
虽然今天还没有火星上活火山的证据，被冻结在冰内远古的甲烷有可能现在被释放了出来。
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