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在陕北和关中地区选择集中供水,氟含量在1.10mg/L以下,总人口在500人以上,食用自产粮菜,且周围无工业氟污染的定边县东梁村、宝鸡县胥家沟村、周至县塔峪村、泾阳县寨子村、富平县东刘村、蒲城县七一村和大荔县坡底村等7个村为监测点。其中轻病区1个,中病区4个,重病区2个。监测工作从1995年开始,至1997年结束,现将3年监测结果分析如下。1 内容与方法 监测第一年对各监测点的土壤和主要粮食品种
In northern Shaanxi and Guanzhong areas, centralized water supply was selected with a fluorine content of less than 1.10mg / L, a total population of more than 500 persons, food grains grown in their own right and no industrial fluorine pollution in the surrounding area. Dongliang Village, Baoji County Dagamura, Taitou Village of Zhouzhi County, Zhaizi Village of Jingyang County, East Liu Village of Fuping County, Qiyi Village of Pucheng County and Slope Village of Dali County as monitoring points. One of the light ward 1, 4 ward, ward 2. Monitoring began in 1995 and ended in 1997. The results of the three-year monitoring are analyzed as follows. 1 Contents and Methods The first year monitoring of soils and staple food varieties at each monitoring point