Tetramethylammonium hydroxide is used in cleaning semiconductor, but metal ions in its primary raw material tetramethylammonium chloride will affect product purity.

1、

The powder of zinc oxide was synthesized in hydrothermal conditions with Zn ( NO_3)_2 · 6H_2O as zinc source, and tetrapropylammonium hydroxide ( TPAOH) and tetramethylammonium hydroxide ( TMAOH) as alkaline source.

以六水硝酸锌为锌源，氢氧化四丙基铵（TPAOH）和氢氧化四甲铵（TMAOH）分别为碱源，进行了氧化锌粉末的水热制备。

互联网摘选

2、

The salts used are sodium chloride, sodium acetate, sodium n-butyrate, sodium benzoate, sodium benzene sulphonate, tetramethylammonium bromide, tetraethylammonium bromide, and piperidine hydrochloride, most of which possess one kind of large ion.

所用的盐有氯化钠、乙酸钠、丁酸钠、苯甲酸纳、苯磺酸钠、溴化四甲基铵、溴化四乙基铵和六氢呲啶盐酸盐。

互联网摘选

3、

Preparation and Applications of Tetramethylammonium Hydroxide

四甲基氢氧化铵制备方法及应用

互联网摘选

4、

Characterization of etching of Al film and Si substrate with 10% tetramethylammonium hydroxide ( TMAH) has been done at a condition of adding various amount of Si dust.

研究了浓度为10%的四甲基氢氧化铵（TMAH）溶液，在不同量的Si粉掺杂下，对铝膜及硅衬底的腐蚀及其pH值的变化。

互联网摘选

5、

In the presence of the phase transfer catalysts such as tetramethylammonium bromide, tetraethylammonium bromide or polyethylene glycol ( MW 400 and 6,000), lithium hydroxide is the best alkali among lithium hydroxide, sodium hydroxide and potassium hydroxide.

研究表明在溴化四甲基铵、溴化四乙基铵、聚乙二醇（分子量为6000）和聚乙二醇（分子量为400）相转移催化体系中，氢氧化锂最好，氢氧化钾次之，氢氧化钠最次。

互联网摘选

6、

Therefore, the study of crystal water removal technique to prepare high purity tetramethylammonium hydroxide is very important.

因此，研究结晶水的脱除工艺条件，尽可能的使四甲基氢氧化铵纯度提高，制得三水的四甲基氢氧化铵结晶化合物具有非常重要的意义。

互联网摘选

7、

A Study of Tetramethylammonium Cation Across the Water/ Nitrobenzene Interface by Neopolarography

四甲铵阳离子在水/硝基苯界面传输的新极谱法研究

互联网摘选

8、

Benzene derivatives and tetramethylammonium formed with compounds showing stronger attraction.

研究中，我们发现苯的衍生物与四甲基铵的形成的复合物分子间的相互作用力比较大，表现出较强的吸引力。

互联网摘选

9、

Methylation of Acidic Components of Resin by Tetramethylammonium Hydroxide and Their Analysis by GC-MS

树脂酸性组分的氢氧化四甲铵甲基化与GC-MS分析

互联网摘选

10、

Electrochemical Behavior of Hemoglobin at Bare Silver Electrode in the Presence of Tetramethylammonium Chloride and Its Application

在四甲基氯化铵促进下血红蛋白在裸银电极上的电化学行为及分析应用

互联网摘选

11、

Reactive pyrolysis gas chromatography ( Py-GC) in the presence of an organic alkali, tetramethylammonium hydroxide(( CH3) 4NOH, TMAH), was applied to the compositional analysis of natural resin shellac.

研究了有机碱试剂，氢氧化四甲铵（tetramethylammonium hydroxide TMAH）共存下的反应热裂解气相色谱（Py-GC）应用于天然树脂紫胶的化学组成分析。

互联网摘选

12、

While other agencies have cut back on graduate recruitment, JWT UK still takes between four and eight people each year from 700-750 applicants.

在其它广告公司减少毕业生招聘之际，该公司每年仍会从700至750名申请者中招聘4到8名毕业生。

互联网摘选

13、

Ford's immersion event was designed to put senior Ford and JWT executives in direct contact with their desired customers.

福特的“融入式活动”旨在让福特和智威汤逊的高级管理人员与他们的目标客户直接接触。

互联网摘选

14、

Coming back to JWT, he has realised that he would never have got the top job had he stayed there.

回到JWT后，他意识到，如果当初他留在那里，就永远不会获得这个最高职位。

互联网摘选

15、

One thing that has not changed is the strength and reputation of the JWT UK graduate trainee scheme.

有一点没有改变，那就是jwt uk毕业培训生计划的实力和声望。

互联网摘选

16、

这表明，我喜欢做人们可以看到的事情，它还帮助我进入了JWT。

互联网摘选

17、

But JWT, the ad agency that created the campaign, found other reasons for the decline.

但创建活动的广告代理机构，智威汤逊公司发现了导致数字下降的其他原因。

互联网摘选

18、

JWT is the world's best-known marketing communications brand.

智威汤逊是全球最著名的营销传播品牌。

互联网摘选

19、

Potential allelochemicals in rhizosphere soil under green pricklyash are identified by gasspectrometer ( GC-MS ).

用气质联用仪分析了青花椒根际区不同深度土壤水浸液中化感物质的成分.

互联网摘选

20、

Objective : To introduce a method for determination of clenbuterol hydrochloride in animal liver by GC-MS.

目的: 介绍简化的利用气相色谱-质谱(GC -MS )检测动物肝脏组织中的盐酸克伦特罗的方法.

互联网摘选