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同位素于地下水中的演变规律在水文地质领域的应用越来越广泛。通过沙漠区采用的水质同位素化验资料，作δＤ－δ１８Ｏ关系图和矿化度－δ１８Ｏ关系图，分析探讨沙漠区地下水的补给、运移、蒸发机理，为以沙漠油田供水为目的的地下水开发提供了可靠依据
The evolution of isotopes in groundwater is more and more widely used in hydrogeology. The relationship between δD-δ18O and salinity-δ18O is analyzed through the water quality isotope test data used in the desert area to analyze the mechanism of groundwater recharge, migration and evaporation in the desert area, and to provide groundwater for desert oilfield water supply development Reliable basis