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minerals and trace elements
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minerals and trace elements
Encyclopedia
工学
矿物质和微量元素
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minerals and trace elements
矿物质和微量元素
在人体组织中,除碳、氢、氧和氮主要以有机物的形式存在外,其余以无机物的形式存在的物质统称为矿物质(无机盐)。在人体中检出的矿物质元素约70种,其中含量大于体重0.01%者称为常量元素,如钙、磷、钠、钾、氯、镁、硫等;含量小于体重0.01%者称微量元素。
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