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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
释
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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improper orthogonal mapping
improper orthogonal matrix
improper orthogonal transformation
improper partial graph
improper plane
improper point
improper principal ordinal
improper prior
improper quadric
improper quotient object
improper rational function
improper refinement
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