通过对乌鲁木齐河底栖动物种群结构的分析，利用生物指数评价乌鲁木齐河水质状况。
The water quality of Urumqi river was evaluated using biological index. Which is on the basis of analysis of the population structure of benthic animal in Urumqi river.
水质与水生生物评价结果表明，湿地水环境处于中、重度污染程度；
The evaluation results showed there existed serious pollution (water quality) and medium pollution (aquatic biology) in water environment of the wetlands respectively;
对各种贮存饮用水的水质生物稳定性进行了研究，建立了贮存饮用水AOC-T生物稳定性评价指标体系。
Various of water's biology stability was studied, and the assessment index of AOC-T was established.
本文通过水质生物监测中的生物学指标的讨论，较准确的反映被监测水体的水质状况，进而对水体有机污染程度作出客观地评价。
We discuss water quality of water body with biologic index in biology monitoring of water quality, and make objective evaluation to organic pollution of water body.
用综合生物指数法对取水口附近水域水质评价的结果显示：狼山水厂取水口的综合水质评价等级为轻污，与水质理化指标的评价结果相吻合。
The results of biologic assessment show that water quality of the water intake are light pulluted, the physical and chemical indicators of water quality evaluation results are coincide.
生物化学需氧量bod是水质评价的必测项目，是衡量有机物对水质污染的重要质量指标。
Biochemical oxygen demand, BOD is necessary for water quality evaluation. It is an important index in measuring organic materials pollution.
采用综合污染指数法，选择了对淮河淮南段水质影响较大的溶解氧、 高锰酸盐指数、生物需氧量等指标评价了淮河水质。
Water quality in Huainan part of Huaihe river is evaluated by comprehensive pollution index method according to dissolved oxygen etc indexes.
采用综合污染指数法，选择了对淮河淮南段水质影响较大的溶解氧、 高锰酸盐指数、生物需氧量等指标评价了淮河水质。
Water quality in Huainan part of Huaihe river is evaluated by comprehensive pollution index method according to dissolved oxygen etc indexes.
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