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痕量元素(trace element)也称微量元素(micro element)。一般把占体重0.01％以下的元素(即一万分之一或100ppm),称为机体的痕量元素。痕量元素对人类健康的作用,日益被生物医学工作者所重视。痕量元素与健康、疾病关系的研究正在形成一门新兴的、多学科相互渗透的边缘学科,其发展极为迅速。
Trace elements are also called micro elements. Generally less than 0.01% of the weight of the element (ie, one hundred thousandth or 100ppm), known as the body’s trace elements. The role of trace elements on human health is increasingly valued by biomedical workers. The study of the relationship between trace elements and health and disease is forming a new and interdisciplinary multidisciplinary fringe and its development is extremely rapid.