对新方法进行了性能评价并将其用于水体中几种痕量污染物的分析研究。

The new method was used for the analysis of several trace pollutant in water after its performance was assessed.

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我们认为，问题的痕量污染正在推行生产过程中不小心的反刍动物饲料含有动物成分的原产地。

We consider the problem of trace contamination being introduced accidentally during the production of ruminants feedstuffs containing constituents of animal origin.

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本文建立的原柱富集-液相色谱方法操作简便、富集效果好，分离度高，能够满足水体中痕量污染物检测的要求。

In short, the On-column Enrichment-HPLC method is convenient to operate, possesses good enriching effect and high resolution and is capable for the determination of trace pollutant in water.

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