heavy metal elements risk 重金属元素风险
soil heavy metal elements 土壤重金属元素
Toxic Heavy Metal Elements 有害重金属元素
toxic heavy-metal elements 有毒重金属元素
heavy metal elements in soil 土壤重金属元素
heavy metal elements correlation analysis 重金属元素间相关性分析
This paper studies an analysis of toxic heavy metal elements in toys by ICP AES.
本文介绍了利用ICP-AES对玩具中有害重金属元素的分析研究。
In China, some products have been found to contain heavy metal elements such as lead, arsenic and mercury.
在中国，一些产品被查出含有铅、砷、汞等重金属。
The international organization regulates the contents of heavy metal elements in the import medicines definitely.
国际上对中药中重金属元素的含量也有明确规定。
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