搜索结果: 1-3 共查到“环境工程学 CH4”相关记录3条 . 查询时间(0.062 秒)
对卫河新乡市区段春季CH4与N2O浓度进行调查分析,初步探讨了城市河流中典型温室气体的溶存量空间变化及其影响因素.结果表明,受到水中污染物质浓度及人类活动影响,春季卫河表层水中CH4与N2O浓度处于超饱和状态,饱和度分别为147.59~2667.85和4.06~188.25.影响市区内N2O浓度的主要环境因素为NH4+-N(P<0.01),而新区污水处理厂排水输入显著提高了N2O的溶存量,说明污染...
Dynamic Emission of CH4 from a Rice-Duck Farming Ecosystem
Methane Emission Global Warming Potential Rice-Duck Farming
2013/3/12
Global climatic change induced by emissions of greenhouse gases from human activities is an issue of increasing in-ternational environmental concerns, and agricultural practices and managements are th...