misc. preenrichment
... precision精密度 preconcentration预富集 predominance-area diagram优势区域图 ...
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《饮料工业》杂志|预富集-冷原子吸收光谱法测定水中的痕量汞 关键词： 汞；水；预富集；冷原子吸收光谱法 [gap=711]Key words: mercury；water；pre-enrichment；cold atomic absorption spectrometry
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The method provided good reproducibility in terms of both migration time and peak height. It can be successfully used for the preconcentration zwitterion.
这种方法有很好的重现性,能够成功地用于两性离子的预富集。
参考来源 - 纳米级固定相的制备及其在毛细管电泳中的应用In all analysis fields, where the analyte concentration is, for the most part, not suitable for direct analysis of crude solution even using modern instruments, pre-concentration and separation of analyte is a very important stage in all analytical procedures.
大多数情况下，由于分析手段、分析对象及分析仪器等的限制，很难实现直接对原始溶液中待测物的检测与分析，对待测物的预富集和浓缩分离常常成为分析工作中的一个重要环节。
参考来源 - 基于微米和纳米颗粒的新型磁分离方法A preconcentration process of cupric ions performed by anodic stripping voltammetry technology further increased the sensor performance.
而利用阳极溶出伏安技术进行的Cu~(2+)的预富集过程进一步增强了传感器的灵敏度。
参考来源 - 基于纳米粒子标记的化学发光DNA生物传感器的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
目的：研究丹参药材中丹酚酸类成分的固相萃取预富集方法。
AIM: To apply the solid phase extraction (SPE) on salvianolic acids in Radix Salvia Miltiorrhizae by means of high performance liquid chromatography with mass spectroscopic detector (HPLC MSn).
本文在讨论汉中地区地质背景的基础上，对金矿预富集的特征提出了认识。
On the basis of discussion about geologic Settings of the Hanzhong region, the understanding of characteristics of gold preconcentration is presented in this paper.
提出了浊点萃取预富集氢化物发生-原子吸收光谱法测定痕量汞的新方法。
The method for the determination of trace mercury in water samples by hydride generation atomic absorption spectrophotometry after cloud point extraction was proposed.
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