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本次进行了实验室和现场调查,为确定长期服硒对人体健康的影响提供使用剂量与方法的科学依据。1 观察结果1.1 病区水、土、粮硒监测结果表明,牡丹江市饮用水、土壤和粮食中的硒明显低于非病区。1.2 不同时期发硒监测结果。在服硒前、口服亚硒酸钠期间、服硒碘盐期间与服硒碘盐六年后的四个时期,测定8～10岁儿童发硒。结果表明四个时期儿童发硒含量具有显著性差异(P<0.005),服硒前发硒含量最低,约为正常值的一半,服硒后体内高于正常值近一倍,服硒盐后效果更好,说明晒盐的加硒方法可靠,保证人体对硒的吸收。
This conducted a laboratory and field investigation, in order to determine the long-term effects of selenium on human health to provide the scientific basis for the dose and method. 1 The results of the observation 1.1 The monitoring results of water, soil and grain selenium in the ward showed that the selenium in drinking water, soil and grain in Mudanjiang City was significantly lower than that in the non-ward. 1.2 selenium in different periods of monitoring results. In the service of selenium, oral sodium selenite period, clothes selenium iodized salt with selenium iodized salt six years after the four periods, the determination of children aged 8 to 10 selenium. The results showed that there was a significant difference in selenium content in children during the four periods (P <0.005). Se content in selenium before serving selenium was the lowest, which was about half of the normal value. The effect is better, indicating that the method of adding salt sun salt reliable, to ensure the body’s absorption of selenium.