Objective : To study the effect of activated bio-filter on microorganism of domestic sewage and hospital sewage.
目的: 了解生物滤池对生活污水及医院污水微生物的影响.
Study on the factors affect removal of dissolved nitrogen and phosphorus by hydroponic bio-filter method
水耕植物过滤法溶解性氮磷去除影响因素研究
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