| 释义 |
car·box·yl·ic acid 英ˌkɑːbɒkˈsɪlɪk美ˌkɑrbɑkˈsɪlɪkAHDkär'bŏk-sĭlʹĭk 短语⁷⁵⁸⁶¹
基本英英例句例句
羧酸
Noun:
an organic acid characterized by one or more carboxyl groupsOne exception is the decarboxylation of aromatic carboxylic acids.芳香羧酸进行脱羧反应是一个例外。
Carboxylic acid esters are important chemical raw materials.羧酸酯是重要的化工原料。 And what it's used is to convert one type of group, what's called a carboxylic acid into another type of very reactive intermediate, which is called an acid chloride.
它被用来将一类被称作羧酸的化合物，转化成另外一类活性很高的反应中间体,也就是酰氯。163
Effects of process conditions such as content of composite carboxylic acid, initial current density and anodizing time on properties of film were studied.
研究了工艺条件如复合有机羧酸浓度、初始电流密度以及氧化时间对膜层性能的影响。 cnki
The modifying agent can react with polar groups, such as alcohol, amine, carboxylic acid, and the like of colloid and asphaltene in crude oil.
它能与原油中胶质、沥青质的极性基团如醇、胺、羧酸等进行反应。 bogu6688
The esterification mechanism of unsaturated carboxylic acid was analyzed.
分析了不饱和羧酸酯化反应的机理。 cnki
The rate constant of racemization of L- Pro increased with decreasing acidity of the carboxylic acid. However, the racemization of L- His was most rapid in acetic acid.
消旋速率因羧酸溶剂的不同而异： L-组氨酸在乙酸溶剂中消旋最快，而 L-脯氨酸在正丁酸溶剂中最快。 cnki
Aim To explore the potential inhibition of platelet aggregation and synthesis of substituted benzene carboxylic acid derivatives.
目的探讨取代苯基羧酸衍生物的合成及抑制血小板聚集作用。 cnki
In the reaction, some aniline is completely oxidized to CO2 or partially oxidized to carboxylic acid.
在反应中有一部分苯胺被完全氧化或部分氧化成 CO2或羧酸。 ebigear
In the roots, there were carboxylic acid ester and alkane.
而茅莓根的主要化学成分是有机酸酯和烷烃。 cnki
In this paper several extractants containing a thioether group and another group such as carboxylic acid, ester or amide were synthesized.
本文合成了分子中含有硫醚基团和另一个基团如羧酸、酯、酰胺的萃取剂。 cnki
In many references, the imidazoline type inhibitors were synthesized from carboxylic acid and organic amine dehydration that formed a cycle under certain temperature and condition.
诸多文献所报道的咪唑啉化合物的合成大都是以羧酸和有机胺为原料在一定温度和条件下酰胺化缩合脱水成环。 cnki
Most preferably, the carboxylic acid starting materials are purified single carboxylic acids, although mixtures of such acids could be employed if desired.
虽然那些羧酸混合物可能会混入，但如果你想得到的话，最好还是羧酸原料精制成单羧酸。24chem
Preparation methods and degradation behavior for poly carboxylic acid silyl esters were reviewed.
综述了聚羧酸硅基酯的合成方法和降解性质。 dictall
Shenqinmycin is a novel antibiotic with the effective component phenazine-1- carboxylic acid originated from microorganisms.
申嗪霉素是一种新型微生物源杀菌剂，主要成分为吩嗪-1-羧酸。 www.nyxxb.com.cn
Synthesis of acyl azide from aldehyde, or acylhydrazine, or carboxylic acid, or acyl chloride, or anhydride, or ester is introduced in this paper.
介绍了由醛、酰肼、羧酸、酰氯、酐或酯合成酰基叠氮化合物方法。 dictall
Synthetic methods for1H- indazole-3- carboxylic acid were reviewed and evaluated.
综述了1H-吲唑-3-羧酸的合成方法，并评述了其优缺点； cnki
Synthetic methods for1H- indazole-3- carboxylic acid were reviewed and evaluated. Several new method studies carried out by the authors were introduced as well.28 References were quoted.
综述了1H-吲唑-3-羧酸的合成方法，并评述了其优缺点；同时介绍了作者在寻找其新合成方法中的一些探索。参考文献28篇。 chemyq
The result indicates that HC multi- carboxylic acid based superplasticizer demonstrates excellent workability and better compatibility with cement.
结果表明，多羧酸系高效减水剂比萘系高效减水剂与水泥具有更好的相容性； cnki
The advanced carboxylic acid waterproofing agent became main content of cement liquid water-repellent admixture that Korean most used.
而高级羧酸系防水剂为韩国使用最多的“水泥液体防水剂”的主要材料。 cnki
Tropisetron Hydrochloride was synthesized from 1Hindol-3- carboxylic acid by chloride acetylation and condensation with Tropic alcohol.
以3-吲哚甲酸为起始原料，经氯化亚砜酰氯化、与托品醇缩合合成了托烷司琼盐酸盐。 cnki
Carboxylic acid esters are important chemical raw materials.
羧酸酯是重要的化工原料。 chemyq |