Objective To study the content of Zn, Cu, Fe, Se in maternal blood, hair, cord blood, amniotic fluid and the relationship between each sample, the trace elements and the growth of their infants.

目的探讨分娩孕妇血液、头发、脐血、羊水中微量元素锌、铜、铁、硒的含量及其间的关系与新生几营养状况生长发育关系。

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Objective: To explore the relationship between poor vision of children and the content of Zn, Fe, Cr, Cu in their hair.

目的：探讨学龄儿童头发锌、铁、铬、铜含量与视力低下的相关性。

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Objective to research for the detecting and dynamic condition while a catalytic photometry technique was used to measure the quantity of Fe in human hair and natural water.

目的探讨催化光度法测人头发和天然水中铁含量的测定条件及动力学条件。

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