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菏泽地区位于山东省西南部黄河冲积平原、以前少数地区的调查结果表明饮用水含碘量较高.为评估居民碘营养水平.为防治碘致疾病提供科学依据.于1996年7月,在全区范围内进行了调查.报告如下:1 材料与方法全区9县(市)分别在东、西、南、北、中部各选1处乡镇,每处乡镇按不同方位抽3～5个小学,每个小学随机抽取40名8～10岁学生检查甲状腺大小;每个县(市)抽1个小学.用B超法检查学生甲状腺体积;每处乡镇采小学生尿液12份,酸消化处理后,用砷-铈接触法检查尿碘;在全区各乡镇采集水样各1份,用砷-铈接触法测碘,在盐库采集盐样各1份,用直接滴定法测碘.2 结果与分析
Heze area is located in the southwest of Shandong Province, the Yellow River alluvial plain, the previous findings of a small number of areas showed that drinking water iodine content is higher .In order to assess the level of iodine nutrition of residents to prevent iodine-induced disease provide a scientific basis.In July 1996, in the whole The report is as follows: 1 Materials and Methods 9 counties (cities) in the whole district choose 1 townships in the east, west, south, north and center respectively, and each township chooses 3 to 5 primary schools , Each primary school randomly selected 40 students aged 8 to 10 to check thyroid size; each county (city) pumping a primary school.Use B-method to check the student’s thyroid volume; each township mining pupils urine 12, acid digestion Urinary iodine was inspected with arsenic-cerium contact method; 1 water sample was collected in each township of the whole region; iodine was measured by arsenic-cerium contact method; 1 salt sample was collected in the salt reservoir; and iodine was measured by direct titration. 2 results and analysis