This paper studies on treating municipal wastewater with membrane bio-reactor as reclaimed water by adopting pollution controlling technique of air and water combination backwashing membrane.
采用气-水联合反冲洗膜污染防治技术，对一体式膜-生物反应器处理城市污水作为生活杂用水进行了研究。
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The anaerobic fermentation slurry is a universal bio-pesticide which contains much nutrition elements and had an obvious controlling effect on many kinds of pest.
According to the structure of micro bio-chemical analyzer, a new type of mini temperature-controlling system was designed, whose key component was a micro-heater chip made of silicon.