Based on the monitoring data of groundwater quality in Dezhou City, the paper discusses water quality characteristic and analyzes the water quality evolution of deep groundwater.
根据德州市地下水水质监测数据，本文论述了深层地下水的水质特征，分析研究了深层地下水的水质演化。
Based on a great amount of historical data to analyze the evolution of Guangzhou reach of Pearl River and the changes of water environmental quality qualitatively and quantitatively.
通过大量的历史数据，对珠江广州河段的演变和水环境质量的变化作了定性、定量分析。
The evolution of water quality is monthly and yearly, and the response to the acidification of environment is strong.
水质演化具有明显的逐月和年际变化规律；水质演化对环境酸化具有很好的响应。
The monthly and yearly evolution of water quality were studied by means of PCA, and its response to environment acidification is analyzed by means of correlation.
采用主成分分析的方法，探讨了不同统计口径水质演化的年际和月变化特征。
Mass transfer modeling is of importance to many research fields such as transport and evolution of pollutants, chemical dissolution of rock, water quality of...
水-岩土体系质量传输模拟在岩土中污染物的迁移转化、岩土化学淋滤、地下水水质的形成与演化及热水成矿等众多研究领域具有重要意义。
Mass transfer modeling is of importance to many research fields such as transport and evolution of pollutants, chemical dissolution of rock, water quality of...
水-岩土体系质量传输模拟在岩土中污染物的迁移转化、岩土化学淋滤、地下水水质的形成与演化及热水成矿等众多研究领域具有重要意义。
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