... 预破碎，预压碎：pre-crushing 预浓缩：preconcentration 预扭压缩型导线：prespiralled compacted conductor ...
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... precomputor 预演算计算机 preconcentration 预先富集 preconcentrationpreelectionpreselect 预选 ...
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... 富集锍 concentrated matte 预富集 pre concentration; pre enrichment; preconcentration; preenrichment 表面富集 surface enrichment ...
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adsorptive preconcentration 吸附富集
Preconcentration separation 富集分离
For that the separation and preconcentration of the samples before the analyce is requisite.
因此,对待测样品进行分离富集预处理是不可缺少的重要环节。
参考来源 - 交联壳聚糖微球分离富集—原子吸收法测定痕量金银铂的研究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The latter has been packed into the micro-columns, which was used in the FI-AA systems; on-line preconcentration and separation of precious metals have been achieved.
将后者填充于FI-AA联用的微型柱内，实现了贵金属的自动在线预浓集与测定。
参考来源 - 贵金属元素在萃取色谱中的分离富集行为及其原子吸收光谱法测定的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Sample stacking, an on-column preconcentration technique for capillary electrophoresis was reviewed with 51 references.
评叙了样品堆积，一种毛细管电泳提高检测灵敏度的柱上浓缩技术。
Trace amounts of molybdenum in water and soil extract samples were determined using a dual column on-line ion-exchange preconcentration FIA-ICP system.
本文采用双柱在线离子交换预浓缩FIA-ICP系统，建立了水及土壤浸出液中痕量钼的测定方法。
The preconcentration and determination of platinum, palladium, rhodium and iridium in geological samples by nickel sulphide fire assay and ICP-MS were described.
建立了锍试金富集电感耦合等离子体质谱法(ICP - MS)测定地质样品中铂、钯、铑、铱的新方法。
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