- 相关例句
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.
网络期刊摘选
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.
互联网
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.
互联网
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.
互联网
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.
互联网
简单的醛有甲醛(HCHO ) 和乙醛 ( CH3CHO ).
互联网
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.
互联网
These reactions are therefore used to discern between ketones and aldehydes.
这些化学反应因此被用来区分醛类和酮类.
互联网
REDOX Relationships amongst Alcohols , Aldehydes and Ketones and Carboxylic acids.
醇, 醛与酮和羧酸之间的氧化还原关系.
互联网
The technique is applicable to other impurities such as aldehydes and alcohols.
该技术可用于其它杂质,例如醛和醇.
互联网
The yields of aldehydes produced in this sequential process are comparable to the two-step method.
用此法制得的醛,其产率与用两步法可制得的产率不相上下.
辞典例句
然而, 新一轮的压力未必改变北京的思路, 奥尔登预言.
互联网