preconcentration
预富集
常用释义
英式发音
美式发音
基本释义
- n. 预选；预浓缩；预先富集
例句
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1·Both batch and column variants of SPE can be used for preconcentration purposes.固相萃取的分配变量和圆柱变量都可以用于预浓缩的用途。
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2·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。
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3·These devices were applied to the preconcentration of FITC-BSA and FITC, since the overlap of the double electrical layers.利用纳米通道双电层重叠的性质，蛋白质在微米通道中形成的消耗区边形成了富集区带。
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4·The composition, work principle as well as measurement and control system of a new X-ray separator for ore preconcentration are presented.介绍了新型矿石预选设备X射-线分选机的组成、工作原理及其测量操作系统。
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5·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。
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6·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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7·A preconcentration on TOPO chemically modified electrode-graphite furnace AAS method has been developed for the determination of trace antimony in water samples.本文研究了三辛基氧化膦(topo)学修饰电极预富集石墨炉原子吸收法测定水样中痕量锑。
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8·The conditions for synthesis of PP (polypropylene) -diphenylcarbazide resin and separation and preconcentration of silver in geological samples have been studied.研究了PP(聚丙烯)二苯氨基脲树脂的合成及其分离富集样品中银的条件。
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9·On the basis of discussion about geologic Settings of the Hanzhong region, the understanding of characteristics of gold preconcentration is presented in this paper.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。
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10·The proposed method was successfully applied to the on-line preconcentration, separation and determination of gold in nickel alloy and anode slime certified samples.利用本实验方法成功实现了合金和阳极泥标准样品中金的在线预浓集分离、测定。
同义词
n.
预选；预浓缩；预先富集