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沼气是沼气微生物在厌氧条件下发酵、分解有机物而产生的一种可燃性气体。这种气体最早在沼泽地里发现,所以称为沼气。其主要成分是甲烷和二氧化碳。一般情况下,农村沼气中甲烷含量占
Biogas is a flammable gas produced by biogas fermentation and decomposition of organic matter under anaerobic conditions. This gas was first discovered in the marsh, so called biogas. Its main components are methane and carbon dioxide. In general, the methane content of rural biogas is accounted for