An analysis of trace element and oxide enrichment pattern is carried out by using factor analysis method.
利用因子分析法对微量元素和氧化物的富集规律及其环境意义进行了探讨。
The prospect and problems of speciation analysis of trace element in Traditional Chinese Medicine were also discussed.
探讨了中药中微量元素形态分析方法的前景及存在的问题。
The results showed that the Neolithic pottery from the three sites could be completely divided by the factor analysis of trace element content.
结果表明：微量元素含量的因子分析能将三遗址新石器时代古陶区分开；
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