Conclusion The source water diverted from Luan River was polluted by protozoan and viruses.
结论引滦水源已受原虫和病毒的污染。
Objective To grasp the pollution situation and dynamic changes of protozoan and viruses in the source water diverted from Luan River.
目的探讨天津引滦水源原虫与病毒污染现状和消长规律。
Taking the iron mining project in Luan River as an example, the problem ofapplying mathematic tools to analyze and calculate the backwater by the channelconstruction projects is investigated.
结合滦河下游闫庄铁矿工程防洪评价的具体要求，研究了如何运用数学工具进行河道建设项目的壅水分析计算问题。
Methods the sampling sites were choosed according to pollutants drained along the Luan River-diverted channel, the situation of crossing with other rivers and the distribution of water brakes.
方法根据引滦河道的排污、与其他水体交叉及其倒虹闸的分布情况确定采样监测点。
The program went through in the Luan River Power Plant refined processing applications, good results for the fine treatment as well as the safe operation of power plants has laid a good foundation.
该方案经过在滦河电厂精处理的应用，效果良好，为精处理乃至电厂的安全运行打下了良好根蒂根基。
The program went through in the Luan River Power Plant refined processing applications, good results for the fine treatment as well as the safe operation of power plants has laid a good foundation.
该方案经过在滦河电厂精处理的应用，效果良好，为精处理乃至电厂的安全运行打下了良好根蒂根基。
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