hair pb content 发铅含量
Pb content in soil 土壤含铅量
quantitative analysis of Pb content 铅含量定量分析
content of Pb 铅含量
content of hair pb 发铅含量
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The value of Pb content detected in standard Sample is agreed with the standard value.
用标准物质进行对照，其测定值均在给定的标准值范围之内。
The Pb content of children at the same age of different regions was compared. Some protection methods were proposed.
同时对不同地区的同龄儿童发铅含量进行了比较，提出了一些预防铅中毒的有效措施。
Last year has been disastrous for Chinese toys primarily due to the Pb content of paint and metallic parts such as screws.
去年对于中国玩具商来说损失惨重，主要是与玩具漆和螺丝等金属部分的含铅量有关。
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