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- A series of contour maps showing the consecutive monthly values of a certain parameter is a useful way of illustrating gradual seasonal water quality changes in different water bodies. 例如以一系列等高线图列出每月某项参数的数值,显示各水体的季节性变化。
- On the basis of comparison with other water quality model for the DCR, two aspects should be under consideration : quantity changes of stored water and quality changes at each section of a waterway. 在此基础上研制了新的闸坝河道水质模型,并进行了案例研究,证明了模型的有效性。
- To evaluate underground water quality and analyze water quality change trend offered dependable basis for underground water utilization and protection water resources in the area. 评价了地下水水质功能,并分析了水质变化趋势,为该地区开发利用地下水,保护水资源提供了可靠依据。
- This paper had a correlation analysis between the rainfall and water quality,and also had an analysis on the water quality change of the inflow river and the reservoir. 松华坝水库是云南省昆明市的主要饮用水源,饮用水源的水质变化直接关系到昆明市市民的身体健康。
- During the eleventh five-year period,the Hunhe River was treated synthetically,which made the water quality changed from anaerobic heavy pollution to aerobic light pollution. 十一五"期间,沈阳市对浑河实施的大规模综合整治,实现了浑河水环境由"厌氧型严重污染水体"向"好氧型轻度污染水体"的转变。
- Surface water quality changes in Shanghai City in past 20 years 上海市地表水水质近20年的变化
- Reveal long-term changes in water quality. 反映河溪水质的长期变化趋势。
- Research for water quality changes in the course of the municipal sewage reusing as the circulating cooling water 城市污水回用于循环冷却水水质变化研究
- Water Quality Change of Untreated Water During Its Storage 原水直接贮存中的水质变化规律
- Culture of white -leg shrimp Litopenaeus vannamei and water quality changes in a pond with a bottom covered with plastic sheet 覆膜池塘凡纳滨对虾养殖技术及水质变化
- Who sets the standard for water quality? 水质标准由谁来制定?
- The plain water quality is very poor. 原水质很差。
- Water quality - Determination of cyanide index. 水质。氰化物指数的测定。
- Water quality can deteriorate in the summer. 夏季时水质会变坏。
- See water quality solution above all. 首先看水质溶液。
- Conclusion: Water quality of the headwater is bad. 结论:该市农村水源水水质差。
- The water quality of the offshore marine areas tended to improve. 近岸海域海水水质呈改善趋势。
- water quality changes 水质变化
- The water quality remains the same as that in the previous year. 与上年相比,水质持平。
- Every day the laboratory collects samples to monitor the water quality in Ago Bay. 每天,实验室都要在AGOBAY收集样品,监测水质。