Results All of the 31 provincial salt iodine laboratories returned their results, which were all qualified.

结果参加考核的31个省级盐碘实验室质量控制结果全部合格；

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Objective:To investigate the change of iodine nutritional status in the pregnancy after the consistence of salt iodine was regulated.

目的：探讨全民食盐加碘水平下调后孕妇碘营养状况的变化。

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Methods measure the salt iodine quality control copies using the direct titration method, evaluate the accuracy and comparability of the measure results.

方法直接滴定法检测盐碘质控样，评价测定结果的准确性和可比性。

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So iodine deficiency was a real problem and then salt started getting fortified with iodine, and that really corrected a lot of those deficiency problems around the world.

碘缺乏曾经是个大问题,随着加碘盐的逐渐普及,使得全球诸多碘缺乏问题得到了改善

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Common responses include handing out vitamin pills and fortifying common foods with micronutrients (such as putting iodine in salt).

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East African elephants routinely excavate caves to reach iodine-rich salt deposits buried in hillsides.

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The list includes several vitamins and inorganic minerals as common as salt and as rare as selenium or iodine.

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