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一、材料及方法1．材料：对县盐业公司及其它零售点进行随机抽样，共抽样144份。2．方法：按中华人民共和国国家标准《食品卫生检验方法理化部分》GB／T5009·42-1996操作。二、结果评价标准按《碘缺乏病消除标准》和《食盐加碘消除碘缺乏病危害管理条例》。三、结果1．三年来?
First, materials and methods 1. Materials: County salt companies and other retail outlets were randomly sampled for a total of 144 samples. 2. Methods: According to the People’s Republic of China National Standard “physical and chemical test methods of food hygiene” GB / T5009 · 42-1996 operation. Second, the results of evaluation criteria according to “iodine deficiency disorders elimination criteria” and “salt iodization to eliminate iodine deficiency disorders hazards management regulations.” Third, the results 1. Three years?