This dynamic pilot study on purification of Linjiang river, branch of Yangtze river, by canna indica with four-stage floating bed technology was performed.
本试验以长江次级河流临江河为研究对象，利用美人蕉四级串联浮床系统净化重污染次级河流的动态试验。
Considering the high turbidity of the Yangtze River water, two-stage high efficient reaction and sedimentation tanks, and sand filter with air-water backwashing are employed.
针对长江原水浊度较高的特点，采用了两级高效反应沉淀池、均质石英砂滤料气水反冲洗滤池处理工艺。
The Lower Yangtze basin is a modified marine basin, characterized with multi-stage hydrocarbon generation and reservoir formation.
下扬子盆地属改造型海相盆地之一，具有多期生烃、多次成藏的特点。
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