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对比研究了四川省盐亭县癌症高发区和其他地区癌症低发区土壤、水体、农产品和人发等介质中元素含量特征及其与癌症发病率相关关系,结果表明,环境中硒、钼元素的缺乏和亚硝酸盐在地下水及粮食作物中的富集是导致癌症高发的关键地球化学因素。并利用生态地球化学调查的相关数据对成都经济区癌症发病率进行了预测,为本区癌症的防治提供了基本的地球化学依据。
The correlations between the content of elements and the incidence of cancer in soil, water body, agricultural product and human hair in the areas with high incidence of cancer and other areas in Yanting County, Sichuan Province were comparatively studied. The results showed that the contents of selenium and molybdenum The lack of nitrite and its enrichment in groundwater and food crops are key geochemical factors that contribute to the high incidence of cancer. Based on the data from the eco-geochemical survey, the incidence of cancer in Chengdu Economic Zone was predicted, which provided the basic geochemical basis for the prevention and treatment of cancer in this area.