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。
The Pb content of the As-containing material treated by the process is less than 3 percent, so that the fluidized bed roasting operation can be normally operated.
经过本发明工艺处理后的含砷物料，含铅量小于3%，从而使上述沸腾焙烧作业能够正常运行。
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