The study on elemental speciation in airborne particulate matter (PM) is important for its evaluation of toxicity and source of pollution.
大气颗粒物中元素的种态研究，对评价其毒性和污染来源等有很重要的意义。
The distribution of the soluble state and suspended state, is probably related to the elemental speciation and the characteristic of decoction.
水煎液中，元素可溶态与悬浮态分布可能与其存在形态及煎出物特性有关；
Application of chitin and its derivations to trace elements analysis and elemental speciation are reviewed in this paper. 46 references are given.
本文对甲壳素及其衍生物在痕量元素及其形态分析中的应用研究进行了综述。引用参考文献46篇。
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