近日，黄浦江水域首次大规模爆发绿萍，威胁外滩景观水域。
Green algae broke out in a large scale in the Huangpu River recently for the first time, which threatened the scenic water area of the Bund.
细绿萍对火气氮有固定作用，用于处理污水尚需慎重研究。
Azolla filiformis could fix nitrogen, so further research should be made to find out if it can be used in waste water treatment.
据了解，近年来绿萍每年5-6月份都会在沪爆发，但只对苏州河上游构成威胁。
Algae outbreaks used to happen in May and June in Shanghai, but it only threatened the upper reaches of the Suzhou River.
结果表明，一定浓度的铅和汞不仅能抑制细绿萍的生长和发育，且能使其中的叶绿素含量下降，并对可溶性蛋白的含量也有一定的影响。
The results show, with increasing metal concentration, the growth of Azolla is inhibited, the content of chlorophyll decreases and the soluble proteins are affected in some degrees.
结果表明，一定浓度的铅和汞不仅能抑制细绿萍的生长和发育，且能使其中的叶绿素含量下降，并对可溶性蛋白的含量也有一定的影响。
The results show, with increasing metal concentration, the growth of Azolla is inhibited, the content of chlorophyll decreases and the soluble proteins are affected in some degrees.
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