1) preconcentration
['pri:kɔnsen'treiʃən]
预分离/富集
1.
Determination of trace metals in waste water by ICP-AES after preconcentration of potassium hexatitanate whisker
六钛酸钾晶须预分离/富集ICP-AES法测定工业废水中Co(Ⅱ),Ni(Ⅱ)和Cr(Ⅲ)
2) Separation/Preconcentration
分离/预富集
4) Separation/preconcentration
分离富集
1.
Cloud-Point Extraction and Its Application to the Separation/Preconcentration and Speciation of Metal Ions;
浊点萃取技术在金属离子分离富集及形态分析中的应用
2.
A new method for the determination of trace Pb based on TiO 2 nanoparticle separation/preconcentration and GFAAS determination was proposed.
提出了纳米TiO2 分离富集 ,GFAAS测定水样中痕量铅的新方法。
3.
To overcome these difficulties,the preliminary separation/preconcentration methods are still frequently required prior to the analysis for the improvement of sensitivity, selectivity and accuracy of analytical method.
因此,必须借分离富集技术,以提高分析方法的灵敏度、选择性和准确度。
5) Separation and preconcentration
分离富集
1.
The paper presents a novel method for the separation and preconcentration of vanadium with microcrystalline phenolphthalein as the sorbent.
建立了以微晶酚酞作为吸附剂分离富集环境水样中痕量钒的新方法。
2.
The anion exchange resin separation and preconcentration is carried on by using flow injection technique.
研究了采用流动注射技术进行痕量钍的阴离子分离富集,在0。
3.
Optimum conditions for the separation and preconcentration of Au (Ⅲ), Pt (Ⅳ) and Pd (Ⅱ) are studied.
以亚硝基R盐作为螯合剂制备了负载树脂,研究了用该树脂分离富集Au(Ⅲ)、Pt(Ⅳ)和Pd(Ⅱ)的最佳条件。
6) separation/enrichment
分离/富集
1.
Advances in research of floatation technology in the application of metal separation/enrichment and analysis;
浮选技术在金属分离/富集及分析中应用研究进展
补充资料：预分
1.正式分配前先分配一部分。 2.正式分配前，为了征求意见而进行的初步分配。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条