Study the biomass impact on water improvement effect by different kinds of submerged macrophytes. The results interpreted from the experiments provide the reference to project.
研究生物量对不同沉水植物水质改善效应的影响，从试验得出生物量的影响结果，为工程应用提供参考；
Objective To explore the effect of water improvement and the sanitary protection of water sources in Linyi City.
目的了解临沂市改水效果及水源的卫生防护状况。
With the background of Wuhan water project, this paper appraised the improvement effect of water environment using the relative theory of green GDP.
在此，以国家“十五”重大科技水专项分课题武汉水专项的实施为背景，在绿色GDP核算框架下对水环境治理效益进行了评价。
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