此时，硝化棉纤维纸上的细菌仍旧不可见。
At this point, the bacteria on the nitrocellulose paper remain invisible.
曝气生物滤池具有很好的硝化作用。
而未经亚硝化的鱼露无致突变性。
温度升高，反硝化速率增加。
The denitrification rate increased with the increase of the temperature.
硝化处理效率低是硝化处理工艺的主要问题。
Low nitrification efficiency is the main problem from the process of nitrification.
为此，研究亚硝化型硝化的可能性和可行性。
Therefore, the possibility and feasibility of nitrosification has been studied here in the paper.
研究了新建海水水族箱系统中硝化细菌的成熟过程。
The mature process of nitrate bacteria in a new mariune aquarium system has been studied.
我们的理想是以竞争性的成本制造出最高品质的硝化棉。
Our vision is to manufacture the highest quality nitrocellulose with a cost competitive basis.
另外证实了MBR具有同时硝化反硝化机技术脱氮的作用。
Then it was confirmed that the SND technology can be applied in the MBR treatment.
在提出通常解决方法的基础上，着重探讨了采用亚氯酸盐控制滤池亚硝化现象的工艺。
Besides proposing the normal solution method, the control method using chlorite was investigated in detail.
在提出通常解决方法的基础上，着重探讨了采用亚氯酸盐控制滤池亚硝化现象的工艺。
Besides proposing the normal solution method, the control method using chlorite was investigated in detail.
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