1) anthropogenic methane
人为源甲烷
1.
This paper presents a review of main sources of anthropogenic methane emission,such as ruminants,the anaerobic decomposition of organic matter,refuse landfills and rice plant.
从产甲烷菌代谢机理入手,分析了产甲烷菌生物抑制机理,并对反刍动物、厌氧发酵、生活垃圾填埋场和稻田的人为源甲烷减排的研究现状和进展进行了概述。
2) added methane
外源甲烷
1.
The effects of carbon and nitrogen sources on the added methane oxidation and the population methane\|oxidizing bacteria in marine\|fluvigenic yellow loamy paddy soil were studied.
结果表明 ,加入不同碳素或氮素物质对黄松田土中甲烷氧化菌种群的数量变化无显著性影响 ,但对土壤氧化外源甲烷活性却具有显著性影响 。
3) mantle derived CH 4
幔源甲烷
1.
Combining with relevant materials, the research indicates that the mantle derived CO 2 gas fields are real and may realize the economic exploitation, and the mantle derived CH 4 gas fields are probable and have great potentialities in economic exploitation.
研究表明，幔源二氧化碳成藏是现实的，可以实现有经济意义的开发；且幔源甲烷亦具有成藏的可能性和巨大的经济开发潜力，今后应加强这方面的研究工作。
4) methane source
甲烷源
5) origin of methane
甲烷来源
6) anthropogenic sources
人为源
1.
A numerical simulation study of contribution of various anthropogenic sources to ozone formation in Pearl River Delta region;
不同人为源排放对珠江三角洲地区O_3生成贡献的数值模拟
补充资料：人为
①人力所为；人做的：天自出巧非人为｜事在人为。②人造成的：人为的障碍。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条