Iron and zinc are essential dietary trace metals required for a number of physiological and biochemical functions in the body.
铁与锌均为人体重要的必需微量元素，在人体中广泛分布并且都具有重要的生物学作用和生理功能。
A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body.
人类的头发主要由一种叫角朊的蛋白质组成，并含有水分及在身体其他部分也可找到的微量金属和矿物质。
Microorganisms can change the distribution of trace metals in the surroundings with their small volume, rapid propagating and huge specific surface area.
微生物以其体积小、繁殖快、具有巨大的比表面积等特点可以大大地改变微量金属在环境中的分布。
The migration of many trace metals released from ceramic surface could be detected at the same time by ICP-MS.
ICP-MS可同时检测陶瓷食具容器中各种金属离子的溶出迁移情况。
The mass balance experiment shows that it is feasible to recover trace metals by cross flow ultrafiltration experiment.
利用质量平衡实验验证了切向超滤实验对痕量金属回收的可行性；
Sources of trace metals, and characteristics of transfer and conversion of trace metals in the process of MSW landfill were studied.
本文对垃圾中微量金属的来源、微量金属在填埋过程中的迁移和转变特性等方面进行了研究。
To teach fundamental concepts for understanding the behavior of inorganic species, such as carbonate and trace metals, in aquatic systems.
讲授基本概念以理解水系统的无机物种类的行为，例如碳酸盐和痕量金属。
The content of dissolved trace metals (Cu, Pb, Zn, Cd) in the surface microlayer and subsurface water in the Nansha region was determined.
对南沙海区微表层和次表层中溶解态痕量金属铜、铅、锌、镉的含量进行了测定，并探讨了其与DOC的关系。
Based on correlation coefficients and principal component analysis, fe and al were selected as the concentration normalizer for the different trace metals.
由相关系数和主成份分析，选择铁和铝作为沉积物中痕量金属浓度的均一化元素。
There are various trace metals in Municipal Solid Wastes(MSW). Secondary pollution of heavy metals in the process of MSW landfill is the most difficult problem to be solved.
城市生活垃圾中含有多种微量金属元素，并且在填埋处理过程中会产生重金属的二次污染，是城市垃圾填埋处理中最难解决的问题。
The contents of colloidal trace metals were mainly influenced by the factors of COC content and total trace metals, but were all affected by the wind-wave disturbance action fundamentally.
胶体态痕量金属的含量主要受COC含量、痕量金属总量等因素的影响，但归根结底均受制于风浪的扰动作用。
The results indicated that the concentrations of TSP, PM10 and trace metals were closely related to the functionality of the locality. Obvious temporal variation of the concentrations was observed.
研究结果表明，TSP和PM 10浓度及微量金属含量都与区域的功能性密切相关，并呈明显的季节变化。
Test Method for Trace Metals in Gas Turbine Fuels by Atomic Absorption and Flame Emission Spectroscopy 05.
用原子吸收和喷焰光谱法测定燃气涡轮机燃料中痕量金属的试验方法05。
Test Method for Trace Metals in Gas Turbine Fuels by Atomic Absorption and Flame Emission Spectroscopy 05.
用原子吸收和喷焰光谱法测定燃气涡轮机燃料中痕量金属的试验方法05。
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