There was low nitrogen removal rate (18.8%) by endogenous respiration without carbon sources added.

当不投加外部碳源时（内碳源），通过内源呼吸代谢作用进行反硝化效果最差，脱氮率仅有18.8%。

youdao

But it is unlikely that Yahoo would be interested in a deal right now, sources added, due to AOL's declining revenue.

但消息人士称，鉴于AOL的营收正不断下降，雅虎暂时不大可能对这一交易感兴趣。

youdao

Generally, sodium silicate solutions are used for monomer sources added with caustic soda solutions for activation of leaching out of fillers.

通常以硅酸钠水溶液作为单体硅源，氢氧化钠溶液作为碱激发剂以提高原料的溶出性。

youdao

Generally, sodium silicate solutions are used for monomer sources added with caustic soda solutions for activation of leaching out of fillers.

通常以硅酸钠水溶液作为单体硅源，氢氧化钠溶液作为碱激发剂以提高原料的溶出性。

youdao