Water body quality of Xi'an city circumvallated river was monitored and evaluated in summer and winter by saprobien system and biotic indexes of pollution, combined with water quality analysis.
结合水质分析及污染生物指数，采用污化系统法对酉安护城河河水在冬夏两季进行了监测研究。
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Because of the effect of soil pollution, atmospheric environment pollution and self-metabolism, some harmful contents were also bioaccumulation in biotic fat during plant materials' growth.