Storm water samples collected from an urban road in Xi′an City show that the urban road surface runoff has much greater pollution intensity of SS and COD and possess less biodegradability.
对西安市南二环路雨天路面径流排水进行了连续取样监测,表明城市道路路面径流污染物SS和COD具有很高的污染强度,且生物可降解性较差。
The urban district nitrate nitrogen pollution intensity is bigger than the humanity to move a weaker area by far.
市区的硝酸盐氮污染的强度远远大于人类活动较弱的地区。
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