Of this 621 cases normal children, their hair's zinc, ferrin, calcium, copper, manganese, lead element values are 93.473,29.710,779.500,9.773,3.222, 9.251 μ g/ g separately.

  • 这621例正常儿头发中锌、铁、钙、铜、锰、铅元素的含量均值为93473、29710、779500、9773、3222、9251μg/g。

  • 互联网摘选 2025-01-20 12:53:17

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