perkin

This discovery Perkin to start a company using this chemical mixture to make purple dye .

这一发现使珀金创立了一家公司,用这种化学混合物制造紫色染料。

Thanks to Perkin , now anyone can afford to wear purple clothes .

多亏了珀金,现在谁都穿得起紫色的衣服。

In 1856 . William Perkin , an 18-year-old science student , noticed something strange while doing an experiment .

1856年，18岁的理科学生威廉·珀金在做实验时注意到了一些奇怪的事情。

Study on Synthesis of Cinnamic Acid by Perkin Reaction

Perkin法合成肉桂酸的研究

Synthesis of cinnamic acid by perkin reaction under microwave irradiation

微波辐射下Perkin反应合成肉桂酸

Synthesis and Optimization of Cinnamic Acid Through Perkin Reaction

肉桂酸的Perkin反应合成及其工艺优化

FML MS Perkin learned to read at the early age of three .

珀金小姐才三岁便学着读书识字了。

The Phase Transfer Catalysis by PEG in Perkin Reaction

聚乙二醇相转移催化剂在Perkin反应中的催化作用

Catalytic Synthesis of Coumarin by Modified Perkin Method

改进的Perkin法催化合成香豆素

Synthesis of Cinnamic Acid by Perkin Reaction

Perkin反应合成肉桂酸

Results : Methods of chemical synthesis of resveratrol included Perkin reaction , Heck reaction and Wittig-Horner reaction .

结果：近几年研究表明，白藜芦醇的化学合成方法主要有Perkin反应、Heck反应以及Wittig-Horner反应。

As a result : Perkin forgot about malaria and made a mint establishing the synthetic dye industry .

结果：帕金由此忘记了疟疾，转而发展合成染料工业。

- We have investigated the reaction condition of Knoevenagel condensation and Perkin condensation in the process of total synthesis .

较详细的探索了全合成过程中涉及到的Knoevenagel缩合和Perkin缩合的反应条件。

The curing reaction of modified bismaleimide resin system was measured with DSC 7 instrument of Perkin Elmer Company .

用PERKINELMER公司的DSC7仪器测定了改性双马来酰亚胺树脂体系的固化反应。

Perkin Reaction Catalyzed by Anhydrous Potassium Fluoride

无水氟化钾催化的Perkin反应

Perkin Reaction of Furfural with Acetic Anhydride Catalyzed by Anhydrous Potassium Fluoride and Anhydrous Potassium Carbonate

无水氟化钾和无水碳酸钾催化糠醛与乙酸酐的Perkin反应

The yields of Perkin reactions with PEG-600 were higher than that without it by 10 % .

PEG-600可使Perkin反应产率提高10%以上；

A series of3-arylpropenoic acids were prepared by using the Perkin reaction from aromatic aldehyde with potassium carbonate as catalyst .

研究了以无水碳酸钾作催化剂，芳香醛与酸酐反应合成3芳基丙烯酸，用对甲苯磺酸催化酯化反应合成3芳基丙烯酸酯。

Using variety of substituted benzaldehyde , the ligands of sodium substituted benzene acrylic acid have been prepared by the perkin reaction .

利用各种取代苯甲醛，通过Perkin反应或安息香缩合反应制备取代苯基丙烯酸钠盐配体，再与二氯二（甲基）茂钛（锆）反应，得到相应的配合物。

The traditional cinnamic acid synthesis method by Perkin reaction has weakened its competitive power due to shortcomings such as high reaction temperature , high energy consumption and low product yield .

传统的肉桂酸制备方法&帕金反应法，因反应温度高、能耗多、产率低等缺点而削弱了竞争力。

Parkin or Perkin is a soft cake traditionally made of oatmeal and black treacle , which originated in northern England .

麦片姜饼传统的麦片姜饼是由麦片和黑色糖浆做成的姜饼，起源于英国北部。

In addition , some aryl-substituted propenoic acids were prepared via Perkin reaction . The cyclization and decarboxylation reaction were studied .

此外，通过Perkin反应合成了4种芳基取代丙烯酸，研究了其关环和脱羧反应。

The Perkin method for coumarin synthesis from salicylaldehyde and acetic anhydride has been improved by using calcium acetate as catalyst and polyethylene glycol as activator .

对以水杨醛和乙酸酐为原料合成香豆素的工艺进行了改进.采用乙酸钙为催化剂、PEG为活化剂的工艺路线。

Cinnamic acid was synthesized by Perkin reaction with anhydrous potassium carbonate as alkaline catalyst and PEG-400 as phase transfer catalyst and 4-hydroxyanisole as polymerization inhibitor .

以无水碳酸钾为碱催化剂，PEG-400为相转移催化剂，对羟基苯甲醚为阻聚剂，通过Perkin反应合成肉桂酸，研究了各物料比、回流时间对产品产率的影响。

The ocean gravity system produced by Perkin Elmer in German has the function of realtime processing gravity data . It can process and analyst the data on board for field staff monitoring the data .

KSS31海洋重力仪具有实时重力处理功能，工作人员在现场即可对数据进行处理分析和质量监控。

1499-Pretender to the throne Perkin Warbeck is hanged for reportedly attempting to escape from the Tower of London .

1499年，波金·沃贝克，这位英格兰王位的争夺者，被执行了绞刑，并据传闻他曾试图从伦敦塔楼逃走。

Methods The microsatellite polymorphism analyses were performed to detect the LOH on chromosome 6 and 8 by PCR and Perkin Elmer 377 DNA sequencer in the 21 cases with GBM .

方法应用PCR方法和DNA序列自动分析仪，分析了21例GBM6号、8号染色体上20个、14个微卫星多态性标记的LOH。

The α - methyl , α - phenyl and p-chlorophenyl-substituted compounds were prepared by condensation of 5-nitro-furfural with corresponding potassium salts of carboxylic acids by means of Perkin reaction .

这类化合物系分别以糠醛或硝基糠醛与相应的羧酸钾盐经Perkin反应缩合后，按一般方法制成酰胺及酯；

On Perkin Elmer TMA-7 , the determination of thermal expansion of three electroless Ni-P deposits with different P content , which was 13.0, 11.55 and 8.2wt % respectively , was carried out .

在珀金－埃尔默热机分析仪TMA－7上，对3种成分的化学镀Ni－P镀层的热膨胀进行了测定，3种成分分别为含磷量13.0，11.55和8.2wt%。

With the existance of phase - transfer catalyst , Perkin reaction is adopted to synthesize cinnamonic acid , which can increase the production rate from 65 % - 70 % to 85 % - 90 % .

在相转移催化剂存在下，采用Perkin反应合成肉桂酸，可使其产率由原来的65%～70%提高到85%～90%。