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采用原子吸收光谱法测定了南城县城关小学540名6－14岁学龄儿童头发中锌的水平。将所得数据在计算机上进行统计分析。结果表明，本资料属非正态性资料，样本中位数为108．3×10-6，其中男性为103.85×10－6，女性为111．5×10－6。男女间有显著差别。年龄与发锌值之间呈正相关。
The level of zinc in the hair of 540 schoolchildren aged 6-14 years in Chengguan Primary School of Nancheng County was measured by atomic absorption spectrometry. The data obtained on the computer for statistical analysis. The results show that this data is non-normal data, the median sample was 108.3 × 10-6, of which 103.85 × 10-6 males and 111.5 × 10-6 females. There are significant differences between men and women. There was a positive correlation between age and hair zinc value.