Plus, the EPA says there are no sewage treatment systems specifically engineered to remove pharmaceuticals.

另外EPA称并没有专门用于清楚药物的排水系统。

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The main yeast strains from active sludge and biological membrane, and their degradation in printing and dyeing sewage treatment syStems are compared.

本文报道了活性污泥处理印染废水系统和生物膜处理印染废水系统中主要酵母菌类群及其降解效能。

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The lack of research on these factors may not be conducive to the efficient operations and effective regulations of the constructed wetland sewage treatment systems.

对这些影响因素的研究不足，将不利于对人工湿地的高效运行和有效调控。

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So the proposal is that sewage treatment systems should be upgraded to deal with this.

FORBES: Women on Contraceptive Pill Should Pay $1,500 a Year More Tax

The UN wants funds for emergency cholera treatment and for clean water supply systems and sewage plants.

BBC: UN launches appeal to fight Haiti cholera epidemic