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本文系在民办托幼机构中测定50例儿童发锌的含量,并对此进行分析讨论如下: 资料来源保定铁路地区民办托幼机构中随机抽取50例2～6岁儿童,男26例,女24例。检测结果:见表.讨论1.我地区未见报道发锌含量正常值.因距北京地区较近,地区差异小,故以北京地区的发锌正常值下限
In this paper, we measured the zinc content of 50 children in private nurseries and kindergartens, and analyzed and discussed the following: Source of information: 50 cases of children aged 2 to 6 years were randomly selected from private nurseries in Baoding Railway. There were 26 males and 26 females 24 cases. Test results: see table Discussion 1. I have not reported the normal hair zinc content in the region.Because from the Beijing area close, the small differences in the region, so the normal hair in Beijing the lower limit of zinc