trace metal

The biological availability and toxicity of trace metals in aquatic systems is strongly dependent on the metal species present.

水环境中微量金属的存在形态是影响其生物有效性和毒性的关键因素。

The mobility of the trace metal elements was different in HTA and CFBCA.

不同燃烧方式产生的煤灰中,微量重金属元素的浸取率不同.

Through a large number of parallel experiments to determine the combination of trace metal elements in six hydrated nickel chloride, ferrous chloride tetrahydrate, cobalt chloride six hydrate.

通过大量的平行实验确定了微量金属元素组合为六水合氯化镍，四水合氯化亚铁，六水合氯化钴。

A study of estuarine chemistry in the Zhujiang River ⅰ. trace metal species in water phase

珠江口海域重金属的河口化学研究&Ⅰ.珠江口海域水相中微量重金属的化学形态的研究

Trace metal contamination in sediments of the Pearl River Estuary and the surrounding coastal area, South china;

华南珠江入海口及其周边海岸地区沉积物中痕量金属元素污染；

The research on the analytical method for determining trace tungsten in RE metal had been done.

介绍了稀土金属中微量钨的测定方法研究,着重研究了试样的分解.

A metal trace element ( micronutrient ), essential for plant growth.

植物生长必需的一种微量金属元素 ( 微量营养素 ).

Chelation ion chromatography is suitable for the determination of trace metal ions in complex matrices.

螯合离子色谱可以对复杂基体中的痕量金属离子进行测定.

The leachability of trace metal elements in coal ash

煤灰中微量重金属元素的迁移性实验研究

Tests of ICP-AES on Simultaneous Determination of Ten Trace Elements in High Grade Metal Tin

ICP-AES同时测定高纯锡中十种微量杂质元素的研究

In the present paper, we discuss the interfernce of radical OH in air-acetylene flame on laser enhanced ionization spectrometry ( LEIS) used to detect some trace metal elements in UV spectral region.

本文讨论空气-乙炔火焰中自由基OH对紫外（UV）激光增强电离光谱（LEIS）用于金属元素痕量检测的干扰效应。

Design and Experiment of Deep-sea Water Sampler for Trace Metal Analysis

深层痕量金属分析采水器的设计与试验

Reactions among Nutrients, Trace Elements and Metal Salts in Organism

机体所需营养物质、微量元素及金属盐类之间的药物相互作用

Survey of Trace Metal Element of Human Hair with FAAS

FAAS对人发微量金属元素的测定

DOM may interact with trace heavy metal ions, influencing their migration and transformation at the land and water interface, their toxicity and their bio-availability.

土壤溶解有机质（DOM）可与痕量重金属离子相互作用，影响其在水陆界面的迁移转化、毒性和生物可利用性等。

In general, tissue trace metal concentration in crustacea in autumn are higher than that in late spring and early summer.

秋季甲壳类动物组织中的痕量金属含量要比春末夏初高。