饮用水部分必需元素含量健康标准的探讨 |
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引用本文: | 杨忠耀,曹长春.饮用水部分必需元素含量健康标准的探讨[J].南方国土资源,2001,14(3):23-26. |
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作者姓名: | 杨忠耀 曹长春 |
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作者单位: | 桂林工学院资源与环境工程系, |
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摘 要: | 饮用水中有机物与有毒元素含量是单向限值 ,在小于限值的前提下越低越好 ;而必需元素含量应是双向阈值 ,低于阈值下限或高于阈值上限都是对人体健康不利的。优质饮用水要求少含或不含有机物及有毒元素 ,同时又应含有必需元素的水
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关 键 词: | 饮用水 必需元素 单向限值 双向阈值 |
文章编号: | 1003-7861(2001)03-0023-04 |
修稿时间: | 2000年10月23 |
DISCUSSION ON HEALTH STANDARD OF DRINKING WATER NECESSARY ELEMENT CONTENT |
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Authors: | YAN Zhong-yao CAO Chang-chun |
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Abstract: | The organic chemical and toxic element content in drinking water should be the mono-limited value. The better the lower of its content. The necessary element contents must be the double-defined value. It is unfavorable for human being health to be lower than down-limitation value or higher than the upper-limitation value. The find drinking water demand a little or nought chemical and toxic elements, in the same time contain necessary elements. |
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Keywords: | drinking water necessary elements mono-limited value double-limited value |
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