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预富

预富

预富

1

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。

3

This method has been successful used for the determination of these analyses in real samples , and the assay results were satisfactory .

该方法样品处理简单，无需预富集，已应用于实际样品的分析，并获得了令人满意的结果。

6

the latter is mainly used to separate and pre-concentrate metals in environmental analysis .

后者主要用于环境分析中金属的分离与预富集。

7

Composition pre-enrichment broth : double strength BPW with vancomycin , malachite green , and milk .

预富集培养基成分：含万古霉素，孔雀绿和奶的双效 BPW 。

8

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。

9

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

10

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

12

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。

13

Novel sample preconcentration techniques for capillary electrophoresis

毛细管电泳分析中的样品预富集新技术

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Determination of Iridium in the Bering Sea and Arctic Ocean Seawaters by Anion Exchange Preconcentration -neutron Activation Analysis

白令海和北冰洋海水中铱的阴离子交换预富集 -中子活化分析

17

Ion Exchange Preconcentration Technique in Capillary Zone Electrophoresis

毛细管区带电泳的离子交换在柱预富集技术研究

19

Study of Determination of Trace Nickel by Liquid Membrane Enrichment

液膜预富集水相痕量镍的分析研究

20

Determination of Rhenium in Copper Ores by Preconcentration of Polyurethane Foam-Neutron Activation Analysis

泡沫塑料预富集中子活化测定铜矿中的铼

21

Choice of appropriate solid adsorbents for sampling trace levels of hydrosulfide and methanethiol in ambient air

预富集空气中硫化氢及甲硫醇的固体吸附剂的选择

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23

Cold atomic absorption spectrometry determination of trace mercury in water after pre-enrichment

预富集 -冷原子吸收光谱法测定水中的痕量汞

24

Ion-exchange pretreatment NAA of platinum and palladium in the copper-nickel sulfide: an experimental study

铜镍矿样中铂和钯的离子交换预富集中子活化分析研究

25

Uranium pre-concentration in Miaogou Formation, Lower Cretaceous and its prospecting significance in Chaoshui basin

潮水盆地下白垩统庙沟组铀的预富集及其找矿意义

26

On -line Ion-pairing Solid Phase Extraction System for the Determination of Alkylbenzenesulfonate in Water Sample

在线离子对固相萃取预富集系统分析水样中的烷基苯磺酸盐

27

On-line Sample Pre-concentration Methods in Capillary Electrophoresis

毛细管电泳中样品在线预富集方法

28

In Situ Preconcentration and Determination of Trace Lead in Water Sample with Amberlite XAD-2 Functionalized with Dithizone

2 键合双硫腙螯合树脂现场预富集测定水中痕量铅

29

Development of Preconcentration for Mass Spectrometry in Proteomics

蛋白质组学中质谱分析前的预富集研究进展

30

Gold deposit types, gold proenrichment and prospecting direction in Feng county of Shaanxi

陕西凤县金矿类型与金的预富集及找矿方向

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