碘是人体必需微量元素之一,缺碘可造成内分泌功能紊乱而导致各种疾病。为了实现2000年消除碘缺乏病,有必要对居民的碘营养状况调查清楚以便在缺碘地区实行人工补碘。所以作者随机采取天津市内6区及其周围4个近郊区50个小学1128名学生日间一次随机尿样,同时在每个小学采取水样进行测定,结果报告如下。 Iodine is one of the essential trace elements of the human body, iodine deficiency can cause endocrine disorders and lead to various diseases. In order to eliminate iodine deficiency disorders in 2000, it is necessary to survey the residents’ iodine nutrition status so as to make artificial iodine supplement in iodine deficiency areas. Therefore, the authors randomly selected 1128 students from 1128 pupils in 6 suburbs and their surrounding suburbs to take a randomized day-to-day urine sample. At the same time, water samples were taken from each primary school. The results are reported as follows.