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为进一步探讨铅对儿童智力结构及发育的影响,我们对济南市2所小学学生尿铅与智商之间的关系作了调查研究,其结果如下。1 对象 选择位于交通繁忙地带、空气中铅污染严重的××路小学为调查组,选择远离交通要道,空气中铅污染较轻的南郊××路小学
To further explore the impact of lead on children’s mental structure and development, we investigated the relationship between urinary lead and IQ among two primary school students in Jinan City. The results are as follows. 1 object selection Located in a busy traffic zone, the air of lead pollution in the × × Road primary school for the investigation team, choose to stay away from traffic arteries, the air pollution of the lower lead in the southern suburbs of × × Road Primary School