羧酸

Acids with different cation were distinguishingly different in activation energy and frequency factor distribution.

不同阳离子同种羧酸盐，活化能和频率因子分布却相差很大。

These werecharacterized by cyclic voltammetry in the presence of ferrocenemonocarboxylate and hexamine ruthenium as probe molecules.

这些用以单羧酸铁和六甲基四胺合钌作为探针分子循环伏安法来表示。

So far, we have synthesized pentadecane diacid , which is a very important intermediate product during preparing muscone.

到目前，我们已经合成了制备麝香酮中重要一步中间十羧酸。

Aconitase is an enzyme that catalyzes the conversion of citric acid to isocitric acid in tricarboxylic acid cycle.

摘要乌头酸酶在三羧酸循环中催化柠檬酸生成异柠檬酸。

Stereoselective oxidative dimerization of the enolate of carboxylic acid derivatives is summarized focusing on the stereoselectivity of the process.

综述羧酸衍生烯盐氧化聚成键规律,重点是立体选择性过程。

They are formed byatmospheric photochemistry reaction, and could product OH radical, alkyl radical, ozone,carboxylic acid peroxyacetyl nitrates by atmospheric photochemistry reaction.

羰基化合既是大气光化学反应，又能通过光化学反应生成羧酸、羟基自由基、臭氧和过氧乙酰硝酸酯。

A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.

通过一元羧酸和乙烯基醚反应,我们得到了一种新颖酯缩醛结构分子玻璃。

The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.

用硅钨杂多酸为催化剂,以从羧酸中分离出戊酸酐和异戊为原料合成了戊酸异戊酯。

This part we introduce complexes synthesized by hydrothermal method containing inorganic polyacid, bipyrindine, organic polyacid, pyridine-carboyxlate, and mixed polyacid and polybase ligands.

我们分类介绍了，水热条件下合成含无机同多或杂多酸配体、联吡啶、 有机多酸、 吡啶羧酸和混合酸碱配体配位化合。

A new method for the synthesis of 1 methyl 3 propylpyrazole 5 carboxlic acid from 2 pentanone and diethyl oxalate is reported.

以2-戊酮和草酸乙酯为起始原料,经缩合、与甲基肼环合、水解等三个步骤合成了1-甲基-3-丙基吡唑-5-羧酸。

The most commonly used method for the covalent binding of biomolecules onto 1-D nanostructures is through the diimide-activated amidation of carboxylic acid terminated nanostructures.

最常用方法是通过端羧酸基纳米结构酰亚胺活化氨基化合来进行生分子与1-D纳米结构共价结合。

Research and development for fhe production of pyrocatechol and hydroquinone by reaction of phenol with hydrogen peroxide and percarboxylic acid as hydroxylating reagent are introduced.

着重介绍用过氧化氢和过氧化羧酸作羟基化剂,使苯酚羟基化生成邻苯酚和对苯酚研究开发进展。

This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.

本研究对生偏酐所生母液中含有芳香族羧酸加以回收，用于生混合酯增塑剂。

It is a precursor in the synthesis of various amino acids, such as alanine, and of malic acid and oxaloacetic acid, both intermediates in the KREBS CYCLE.

在各种氨基酸比方丙氨酸以及苹果酸和草酰乙酸合成中作为前体。苹果酸与草酰乙酸均是三羧酸循环中间。

The results of biochemical analysis indicated that the difference of the activity of carboxylesterase and esterase isozymes in the larval midguts were the main mechanism of this selective toxicity.

生化分析结果进一步指出,昆虫中肠羧酸酯酶活性及酯酶同功酶差异是这种选择麻醉作用重要机制。