Objective : To establish a method for determination of cinnamic aldehyde in Xiaojianzhong capsules.

Campholenic aldehyde is an intermediate for preparing a series of chemicals with sandalwood like odor.

龙脑烯醛是合成檀香系列香料的重要中间体.

Metal salts and Carboxy, keto, aldehyde, acetoacetoxy, complexes phosphonic acid, imine, amino and thio.

金属盐类和羧基, 酮, 醛, 乙酰乙酸, 配合膦酸, 亚胺, 氨基酸和硫代.

My company major produces phenolic aldehyde to accord with wind canal, provide construction help!

我企业职业岀产酚醛切合风管, 并供应开工支持!

The molar absorbance at 350 nm increases if the aldehyde contains a double bond.

如果醛含一个双键,则摩尔光吸收在350nm处增加.

The process includes hydroxylation, self packing of APTES and terephthalic aldehyde packing.

其置备方法主要包括羟基化 、 APTES的自组装和对苯二甲醛的组装三步.

Iong open time, high bonding strength. Dissociative form aldehyde content can meet national standard.

开放时间长, 强度好. 游离甲醛含量通过国家标准.

Subject : To determine aldehyde chemical compound in alcohol quickly.

目的: 快速检测酒中醛类化合物.方法:毛细管气相色谱法.

Objective To set up a method for determining the protocatechuic aldehyde in Qingshenjianfei tablets.

目的建立轻身减肥片中原儿茶醛的含量测定方法.

And the contents of cinnamic aldehyde and menthol were determined synchronously by GC.

并用气相色谱法对制剂中肉桂醛和薄荷醇进行定量测定.

This reaction involves disproportionation of the aldehyde.

这个反应就是醛的歧化作用.

This method applies for measuring aldehydes in hydrophobic adhesives with relatively low aldehydes content.

本方法适用于分析醛类含量较低的疏水性胶粘剂中的醛类物质.

In the presence of acetic acid, p-anisidine reacts with aldehydes producing a yellowish color.

在乙酸存在下, p - 茴香胺与醛类反应产生黄色.

Using benzene as internal standard, the calibration factors of derivative of aldehydes 2,4-dinitrophenylhydrazine ( DNPH ) were measured.

将醛类物质与2, 4- 二硝基苯肼 ( DNPH ) 的衍生反应液直接进样,以苯为内标物,测定了甲醛 、 乙醛等醛类物质DNPH衍生物的校正因子.

Six dimethylsilyl bis -- enol others of aldehydes are synthesized and the yields are good.

合成了六个醛的二甲硅基双烯醇醚,产率较高.

The bactericidal power for sulfate-reducing bacteria of fourteen aldehydes of different chemical structure is investigated experimentally.

醛对硫酸盐还原菌的杀菌能力与其分子结构有密切关系.

Oxidation of aldehydes yields acids; reduction produces alcohols.

它们很容易氧化成酸或还原成醇.

Aldehydes possess anesthetic properties.

醛类具有麻醉的作用.

The technique is also suitable to synthesis of other aromatic aldehydes.

该工艺也适用于其它芳香醛的制备.

Simple examples of aldehydes are methanal ( formalaehyde , HCHO ) and ethanal ( acetaldehyde , CH 3 CHO ).

简单的醛有甲醛(HCHO ) 和乙醛 ( CH3CHO ).

STUDIES ON THE REACTION BETWEEN ALDEHYDES AND 1, 2-BIS ( p-TOLYL-AMINO ) ETHANE.

醛类与1, 2- 二 ( 对甲苯胺基 ) 乙烷作用的研究.