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1·Good secondary treatment plants remove 90 percent of measured BOD.

一些二级处理工厂可以脱去已测到的生化需氧量的90%。

2·In combination with the RBC process, this system provides a very simple package plant for secondary treatment.

通过和RBC工艺结合，该系统可以提供非常简单的总包工厂对污水作二级处理。

3·Secondary treatment generally involves a biological process to remove organic matter through biochemical oxidation.

通常二次处理是利用生物法的生化氧化过程来去处有机物。

4·Seeding activated sludge from a secondary treatment pant can not help startup, and on the contrary, it may delay a startup.

利用二级处理的回流污泥进行接种对好气滤池的启动没有加速作用，相反，还会延迟启动时间。

5·On the basis of the secondary treatment of industrial wastewater, an optimum advanced treatment technology is searched for.

在对工业废水二级处理基础上，寻求最佳的深度处理工艺。

6·ROP regressed completely in 12 eyes (41.4%) after the initial treatment and in 7 eyes (24.1%) after the secondary treatment.

初次治疗病变即完全退化者12只眼(41.4%)，再次治疗后完全退化者7只眼(24.1%)。

7·Waste water of metallurgy, pulp and paper, tanneries, food and chemicals industries, in primary or secondary treatment plants.

在初级或二级的处理设备如：冶金、纸浆和造纸、制革厂、食品和化工的废水。

8·Then, analyzes and compares methods of processing vibration signal in used, involves pretreatment methods and secondary treatment methods.

然后，分析对比了振动信号的一般处理方法，包括预处理和二次处理的方法。

9·Undigested dewatered domestic sewage sludge from secondary treatment plant contained N 4.12%, of which organic form of N accounted for 93%.

未经消化的二级生活污水处理厂脱水污泥含氮4.12%，其中有机态氮占93%。

10·Treating combined sewage effluent from a secondary treatment plant, the process achieved 94.5% cadmium removal for the trace quantities present .

用这种方法处理二级处理厂排出的综合下水，可除去水中含镉量的94.5。