“矿物质和微量元素”的概念、定义、翻译、参考文献-科学参考

单词	矿物质和微量元素
释义	矿物质和微量元素 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。
随便看	railway roadbed problems and remedial measures railway rolling stock railway rolling stock maintenance and repair railway sand prevention railway section block railway shunting hump railway signal railway signal indication railway signaling railway signaling power supply equipment railway signaling reliability railway signaling vital relay railway sound barrier railways passenger car equipment railway station railway station and terminal railway structural deformation survey railway subgrade engineering railway subgrade maintenance railway subgrade non-destructive detection railway switch transition equipment railway tank car railway tanker railway technical station railway terminal

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