Results The content of Pb, Cd, as in five Chinese traditional medicines was lower.
结果5种中成药中铅、镉、砷的含量较低，低于相关标准的规定。
The content of Pb in hair of children aged from 4~6 years old was determined and their behavior was studied.
分析了4～ 6岁儿童发铅，同时应用4～ 6岁艾氏儿童行为量表测量行为问题。
The aim of this experiment is to determine the content of Pb, As and CaCO_3 in Meretrix Meretrix(Linnaeus) by different processing methods.
目的本实验主要对不同的炮制方法海蛤壳中的铅、砷及碳酸钙的含量进行测定。
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