论文部分内容阅读
金昌市金川区位于甘肃省河西走廊的中部,腾格里沙漠南部边缘地带。总面积约1968km~2。大部分地区被土沙及山岭所覆盖。地质为垩白色砂岩组成,盆地主要以砂砾石为主。气候干燥,风沙较大,风向以西北风为主。年平均气温10.7℃,年均降雨量为106mm,年蒸发量为2000mm左右。生活饮用水以表层地下水及地面水为主。金川区地方性甲状腺肿主要分布在宁远、双湾二乡的17个行政村的71个自然村,病区人口约21894人。 一、调查方法:为参加调查的人员举办学习班,统一了调查方法,然后逐户进行登记。诊断标准按全国统一标准试行。水、土、粮、菜等的碘测定用硫酸高铈接触法进行测定。
Jinchang Jinchang Jinchang is located in the central Hexi Corridor, Gansu Province, southern margin of the Tengger Desert. The total area of about 1968km ~ 2. Most areas are covered with earth and sand and mountains. Geology is composed of chalky white sandstone, mainly dominated by gravel. The climate is dry with a large sand and the wind is dominated by the northwest wind. The annual average temperature of 10.7 ℃, the average annual rainfall of 106mm, the annual evaporation of about 2000mm. Drinking water is mainly surface water and surface water. The endemic goiter in Jinchuan District is mainly distributed in 71 natural villages in 17 administrative villages of Ningyuan and Shuangwan Erxiang and the population of the ward is about 21894. First, the survey method: to participate in the survey conducted a study class, unified survey methods, and then register one by one. Diagnostic standards according to the national uniform test. Determination of iodine in water, soil, grain, vegetables, etc. was determined by the contact method of ceric sulfate.