porous biological particle fluidized bed
porous biological particle fluidized bed
多孔生物颗粒流化床
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The effect of DO concentration and inlet COD concentration on the nitrogen removal efficiency in porous biological particle fluidized bed nitrification and denitrification(SND) is studied.
进水COD浓度及C/N值是影响系统反硝化效果的两个重要参数，为此研究了不同进水COD浓度在不同C/N值条件下的脱氮效果。
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