trace element 是什么意思

中文翻译与英英解释

	痕量[微量]元素。

	trace: n. (马车等的)挽绳，挽车的皮带；【机械工程】连动杆； ...
	element: n. 1.要素；成分；(构成)部分；分子。 2.【化学】 ...

an element that occurs at very small quantities in the body but is nonetheless important for many biological processes

In analytical chemistry, a trace element is an element in a sample that has an average concentration of less than 100 parts per million measured in atomic count or less than 100 micrograms per gram.

例句与用法

	1.	Trace element mixes serve as insurances . 微量元素只是作为一种保障措施。
	2.	Determination of trace element in chinese medicine 治疗冠心病中药的微量元素测定
	3.	The relation between liver diseases and trace elements 肝脏疾病与矿物元素的关系
	4.	Analysis of correlations between pb exposure and trace elements 镁相关关系的分析
	5.	Analysis on serum trace elements of 298 children 298例儿童血清中微量元素含量分析
	6.	Food trace elements and trace elements disease 食物微量元素与人体微量元素疾病
	7.	On relation between trace elements and stomach carcinoma 微量元素与胃癌关系的研究
	8.	Analysis of serum trace element in 729 children 729例儿童血清微量元素测定结果分析
	9.	Formula feeds determination of minerals and trace elements 矿物质和微量元素的测定
	10.	Study on extraction rate of trace elements in tea 茶叶中微量元素浸出率的研究

trace element是什么意思

trace element 是什么意思

中文翻译与英英解释

例句与用法