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1. 污水生物處理中增加的菌株屬于異養(yǎng)細(xì)菌。
The added strains in the biological treatment of sewage belong to heterotrophic bacteria.
2. 在厭氧條件下，反硝化細(xì)菌利用無機(jī)碳源的營養(yǎng)成分將硝態(tài)氮轉(zhuǎn)化為氮素釋放，從而降低污染物的總氮含量。
Under anaerobic conditions, the denitrifying bacteria use the nutrients of the inorganic carbon source to convert the nitrate nitrogen into nitrogen release, so as to reduce the total nitrogen content of the pollutants.