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河南省西部煤藏量丰富,不同规模的煤矿星罗棋布。该地区饮用水源的氟含量在国家规定标准以内,却有不同程度的地氟病发生。为此,选择几个重要产煤区的村庄,按居民生活水平分3组进行调查,以期了解空气氟污染状况与地氟病发生的关系。1 材料与方法1.1 调查点选择 在陕县、义马、新安3县市产煤区选点,按居民经济状况及生活水平的高低分3组进行调查。
Western Henan Province, rich in coal reserves, coal mines of different sizes dotted. The fluoride content of drinking water sources in the region within the national standard, but there are different degrees of ground-borne fluorine disease. To this end, select several important coal-producing villages in the village, according to the living standards of residents were divided into three groups to investigate, in order to understand the relationship between fluoride air pollution and the occurrence of endemic fluorosis. MATERIALS AND METHODS A. Investigation points The selection of coal-producing areas in Shanxian County, Yima and Xin’an counties was carried out according to the economic status of residents and the level of living in three groups.