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trace element中文是什么意思

  • 痕量[微量]元素。

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  • 例句與用法
  • Trace element mixes serve as insurances .
    微量元素只是作為一種保障措施。
  • Determination of trace element in chinese medicine
    治療冠心病中藥的微量元素測(cè)定
  • The relation between liver diseases and trace elements
    肝臟疾病與礦物元素的關(guān)系
  • Analysis of correlations between pb exposure and trace elements
    鎂相關(guān)關(guān)系的分析
  • Analysis on serum trace elements of 298 children
    298例兒童血清中微量元素含量分析
  • Food trace elements and trace elements disease
    食物微量元素與人體微量元素疾病
  • On relation between trace elements and stomach carcinoma
    微量元素與胃癌關(guān)系的研究
  • Analysis of serum trace element in 729 children
    729例兒童血清微量元素測(cè)定結(jié)果分析
  • Formula feeds determination of minerals and trace elements
    礦物質(zhì)和微量元素的測(cè)定
  • Study on extraction rate of trace elements in tea
    茶葉中微量元素浸出率的研究
  • 更多例句:  1  2  3  4  5
  • 英文解釋
  • an element that occurs at very small quantities in the body but is nonetheless important for many biological processes

  • 百科解釋
In analytical chemistry, a trace element is an element in a sample that has an average concentration of less than 100 parts per million measured in atomic count or less than 100 micrograms per gram.
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