中水设备是现代中污水处理常见的一种节能设备，其采用的是分置式膜－生物反应器技术。膜－生物发生器（Membrane Bioreactor,简称MBR）是生物处理技术与膜分离技术相结合的一种新工艺，取代了传统工艺中的二沉淀，它即可以高效地进行固液分离，得到直接使用的稳定中水。膜生物处理技术常应用于中水回用方面 中水设备
这可能来自于生产阶段的粪肥和水，有可能是在加工处理过程中来自于周围的环境，还有可能是在包装环节由于缺乏卫生设备造成的。
It can occur during production, from manure and water, during processing from environmental sources and during the final handling and packing, possibly as a result of poor human sanitation.
这套设备利用了水泥窑在生产时排放出的废气中的热量，通过热交换的原理，既晾干了水泥熟料，又加热了锅炉里的水，从而形成水蒸气，最后推动涡轮转动发电。
The system USES the heat from waste gases produced in the kiln during the cement-making process both to dry the cement and to heat water in a boiler that drives a turbine to produce electricity.
Seitz说，这样的“微气泡”实事上就是“由气体组成的镜子”，用一些设备将增压的水和压缩空气混合放入涡流的喷气机中，在船外产生这些气泡。
Such "microbubbles" are essentially "mirrors made of air," says Seitz, and they might be created off boats by using devices that mix water supercharged with compressed air into swirling jets of water.
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