The method can be used in the determine of cationic surfactants of the survey of living water, sewage farm import-exit water.

方法能用于生活用水、污水处理厂进出口水中阳离子表面活性剂的测定。

Objective:To isolate and identify the alkali tolerant yeast strains from an industrial sewage farm in Wenquan county of Xinjiang, China.

目的：从新疆温泉县一个碱性工业污水处理池中分离并鉴定耐碱酵母菌。

We use JHX multilevel jet floatation pot as secondary floatation point after aeration pond in oil containing sewage farm of refinery. This paper discusses the feasibility of this method.

本文对炼油厂含油污水处理厂增设二级浮选的点位设在曝气池之后并采用JHX多级射流浮选罐可行性进行了论证和分析。

Nowadays, though, most are associated with a combination of phenomena including overfishing, warmer waters and, often, the washing into the sea of farm fertilisers and sewage.

然而现在，大多数赤潮与包括过度捕捞、海水升温和经常被冲入海里的农用肥料和污水的联合作用有关。

Pollution from sewage or farm waste can cause excess algae growth, starving the water of oxygen and causing fish and other species to die off.

从下水道或者农场里出来的污染水引起藻类的过度生长，造成水里的氧气严重缺失，以至于鱼类和别的物种相继死去。