Low nitrification efficiency is the main problem from the process of nitrification.

硝化处理效率低是硝化处理工艺的主要问题。

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Hydraulic characteristics and nitrification efficiency of Biological Turbulent Bed Reactor (BTBR) were studied.

试验研究了生物紊动床的水力特性及硝化效能。

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In the paper, the effect of DO concentration on the nitrogen removal efficiency is studied in biofilm simultaneous nitrification and denitrification (SND).

研究生物接触氧化法中DO对同步硝化反硝化系统脱氮效率的影响。

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