preconcentration英文翻译_preconcentration是什么意思_(预选的英文)_月亮词典

preconcentration

预富集

常用释义

词性释义

n.

预选；预浓缩；预先富集

例句

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预富集
预选
预浓缩

Hence, the preliminary separation and preconcentration of trace elements from matrix is often required.

因此，从基体中分离和预富集痕量元素显得十分必要。

A lot of facts have show that the preconcentration has been used for trace analysis with satisfactory result and low detection limit.

大量文献表明预富集技术用于痕量分析取得满意的效果，降低了检测限，提高了灵敏度。

Because of the content of microelements is extremely low, the preconcentration is usually necessary.

由于这些微量元素的含量很低，通常在测定前要进行预富集。

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。

The single-drop microextraction is a very promising 'environment friendly'technique of separation and preconcentration.

有机化合物的有效方法，是一种有发展前途的的分离富集技术。

Preconcentration of phthalate esters in environmental aquatic samples by n - octadecyl -bonded membrane extraction .

环境水样中邻苯二甲酸酯固相膜萃取预富集方法。

The preconcentration of lean magnetite ore for discarding the tailings has good economic feasibility.

预选抛尾后的贫磁铁矿分选处理，具有良好的经济可行性。

Spectrophotometric Determination of Trace Protein in Water After Preconcentration on an Organic Solvent-Soluble Membrane Filter

可溶性滤膜富集 -分光光度法测定水体中微量蛋白质

Discovery and Gold Preconcentration Study of the Lamprophyre Alteration-type Gold Deposits in the Qinling Area

秦岭地区蚀变煌斑岩型金矿的发现及金的预富集研究

Spectrophotometric Determination of Orthophosphate in Natural Water After Preconcentration by Activated Alumina Micro-column

氧化铝微柱预富集分光光度法测定天然水体中微量磷酸根

Ambient air - Determination of total non-methane organic compounds - Cryogenic preconcentration and direct flame ionization detection method

环境空气 .全部无甲烷有机化合物的测定 .低温预浓缩和直接火焰电离探测法

Determination of trace tantalum in stone coal slag with flow injection-ion exchange separation and preconcentration-spectrophotometry;

研究了流动注射在线离子交换预富集及在线氢化物发生法与原子荧光光谱法的联用技术。

Novel sample preconcentration techniques for capillary electrophoresis

毛细管电泳分析中的样品预富集新技术

Sample Preconcentration Technique in Capillary Electrophoresis

毛细管电泳中的样品浓缩技术

Investigation on Preconcentration and Electrochemical Behaviour of Piperine at TBP Modified Glassy Carbon Electrode

胡椒碱在磷酸三丁酯修饰电极上的电化学行为研究

Synthesis and application of an aminophosphonic-carboxylic acid chelating resin for preconcentration of rare-earth elements

氨基膦酸羧酸螯合树脂的合成及其对痕量镧系稀土富集分离性能的研究

1·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。

2·However, its application in metal extraction and preconcentration has been much less extensive, although the capabilities of the technique in inorganic analysis also appear to be very promising.

然而，它在金属萃取和预富集中的应用还不十分广泛，尽管它在无机分析中的技术能力看起来也似乎非常有前景。

1·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。

2·A method for calculation the economic results of the preconcentration using magnetic-pulley separator is recommended and a simple and rational calculation equation is deduced from the method.

本文提出了一种计算磁滑轮预选经济效益的方法，并导出了简单而又合理的计算公式。

3·The lean magnetite ore can be turned into one that has utilization value by wet preconcentration by magnetic separation after fine crushing to discard most of qualified waste.

通过采取细碎后湿式磁选预选方法，抛除掉大部分合格废石后，可以将该贫磁铁矿变成为具有开发利用价值的矿物。

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。

网络释义

预选

预字的解释---在线新华字典 ... 预行〖 enforcebeforehand〗预选〖 forwardselection;preconcentration〗预压〖 preforming〗 ...

预富集

分析化学词汇 ... precision 精密度 preconcentration 预富集 predominance-area diagram 优势区域图 ...

浓缩

113 　汞的萃取和浓缩 (preconcentration) 　测定甲基汞时 ,必须对样品进行汞的萃取 ; 如果样品中汞的浓度很低 ( 一般为 pg? l - ...

预浓缩

... 现象可应用於微量带电生物分子(DNA、蛋白质)的预浓缩(preconcentration)，麻省理工学院Han 教授研究团队更冺用阳极端 …

前浓缩

前浓缩(Preconcentration)本研究是藉由气相层析质谱仪全离子扫瞄模式来进行复杂成份的定性，但要有足够灵敏度去分析ppbv …

预先富集

富集的英文|富集是什么意思|Show秀网... ... 反富集： derichment 预先富集 ： preconcentration 养分富集： nutrient enrichmen…

预浓缩系统

实验室模拟脐橙自然腐烂一个月，采用预浓缩系统(Preconcentration)与气相色谱质谱联用(GC-MS)技术分析脐橙腐烂过程中释 …

同义词

n.

预选；预浓缩；预先富集

preselection primary election

更新时间：2025-05-01 04:26