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aldehydes 英'ældɪhaɪdz美'ældɪhaɪdz COCA¹²⁹⁵⁹²BNC⁸⁶⁶⁶⁰⁺⁹
基本英英例句例句
醛¹⁰⁰原型aldehyde的复数
名词 aldehyde:
any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acidsAldehydes possess anesthetic properties.醛类具有麻醉的作用。
There are several examples of a one-carbon degradation leading toaldehydes.有一些减少一个碳原子制备醛的实例。 Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
文章综述近几年来由低价钛还原偶联醛酮合成片呐醇的进展。 dictall
The compounds include22 saturated and unsaturated aldehydes,27 ketones,12 alcohols,17 acids,7 esters,10 hydrocarbons and terpenes,10 furans and lactones.
包括22个饱和与不饱和醛，27个酮，12个醇，17个酸，7个酯，10个烃及萜烯和10个呋喃及内酯类等化合物。 cnki
The experiment results showed that the volatile of ash- leaf maple consists of31 compounds, which are classified into alcohols, aldehydes, acids, esters, ketones, terpenes and others.
结果显示，复叶槭的挥发性物质由31种化合物组成，分属于醇类、醛类、酸类、酯类、酮类及萜类等。 cnki
The product was mainly consisted of acids, alcohols, aldehydes, ketones, esters, water and small- molecule gases.
白松的热裂解产物主要有酸类、醇类、醛类、酮类、酯类、水分和小分子气体等。 cnki
There are also many aldehydes in motor vehicle exhausts, gas cookery, cigarette smoking.
机动车尾气、烹调油烟、香烟烟雾中也含有大量醛类化合物； cnki
Alcohols, aldehydes, lactones, ketones were the major constituents in the two extracts.
主要成分为醇类、醛类、内酯类、酮类化合物。 cnki
Esters, alcohols, aldehydes, and lactones were the major constituents.
主要成分为酯类、醇类、醛类、内酯类化合物。 cnki
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。 ebigear
In addition to acetic acid in vinegar contains a lot of things, and contains calcium, iron, lactic acid, glycerol, amino acids and aldehydes.
醋内除含有大量醋酸外，并含有钙、铁、乳酸、甘油、氨基酸及醛类化合物。 blog.sina.com.cn
Mannich reactions with aromatic, aromatic ketones and aromatic aldehydes and their applications were studied systematically.
系统研究了脂肪甲酮与芳香醛和芳香胺参与的曼尼奇反应。 cnki
Phenols, aldehydes, ketones, quinones, carboxylic acids and many other important organic intermediates for fine chemicals can be obtained by oxidizing aromatic compounds.
通过氧化反应可以由芳香族化合物得到酚、醛、酮、醌和羧酸等重要的有机中间体和精细化学品。 cnki
The double bond is attacked by the oxygen, forming aldehydes and carbonyls.
双结合受氧的攻击形成乙醛和碳酸基。 http://www.cahec.cn
The electrooxidation of ceric salts, the synthesis of aromatic aldehydes and the problems of this method in commercial production are all discussed.
对铈盐电氧化、芳醛的合成及本法工业化中存在的问题进行了讨论。 cnki
The temperature and time of reaction, solvent and the constitution of aldehydes have remarkable influences on condensation reaction.
并讨论了反应温度、反应时间、溶剂以及醛的结构对反应产率的影响。 chemyq
The various methods for the umpolung of carbonyl compounds aldehydes and ketones, secondary amines and the most frequently used umpolung reagents are introduced.
先介绍了羰基化合物醛、酮的极性转换的各种方法，然后谈到胺的极性转换方法和最常用的极性转换试剂。 cnki
They do not burn readily and are reasonably resistant to chemicals, except for nitric and sulfuric acids, chlorinated hydrocarbons, and aldehydes.
它们不易燃烧，相当地耐化学品，除非是硝酸、硫酸、氯化烃和醛类。 www.infopetro.com.cn
Vitamin B12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia.
维生素 B12被氧化剂和还原剂、醛类抗坏血酸、二价铁盐、香草醛和阿拉伯树胶破坏。 kuenglish |