废水污染环境的性质，常用适当的水质参数予以描述。对某一具体的废水，无须测定全部参数。对工业废水，选择的参数随生产工艺而定。对生活污水和城市污水，最常用最富有代表性的参数是悬浮固体和五日生化需氧量。合流管道系统溢流废水的水质视汇水区域的地面污染程度、降雨的时段和雨水溢流井的截流倍数而定。
在分析汽车工业涂装废水水质特征的基础上，提出了其治理措施。
Based on the analysis of the character of waste water in automobile industry. The treatment measures were proposed.
在系统分析青霉素废水水质的基础上，进行该废水不同稀释比的水解酸化试验。
Based on analyzing the wastewater quality of penicillin systematically, it has been conducted hydrolytic acidification experiments on penicillin wastewater with different dilute proportion.
对加工海带时产生的废水水质进行了分析，对废水处理工艺进行了初步试验研究。
In this paper, wastewater quality of kelp processing was analyzed and its treatment was tested.
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