羧酸

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

不同阳离子的同种羧盐，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.

这些用以单羧铁和六甲基四胺合钌针分子的循环伏安法来表示。

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

摘要乌头酶在三羧循环中催化柠檬生成异柠檬。

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的一步中间产物十五碳羧。

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

综述羧衍生物的烯盐氧化聚成键的规律,重点是立体选择性的过程。

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

通过一元羧和乙烯基醚的反应,我们得到了一种新颖的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.

用硅钨杂多催化剂,以从羧中分离出的戊和异戊原料合成了戊异戊酯。

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

羰基化合物既是大气光化学反应的产物，又能通过光化学反应生成羧、羟基自由基、臭氧和过氧乙酰硝酯。

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，水热条件下合成的含无机的同多或杂多配体、联吡啶、 有机多、 吡啶羧和混合碱配体的配位化合物。

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

以2-戊酮和草乙酯起始原料,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。

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.

最常用的方法是通过端羧基纳米结构的酰亚胺活化氨基化合物来进行生物分子与1-D纳米结构的共价结合。

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.

本研究对生产偏所产生的母液中含有的芳香族羧加以回收，用于生产混合酯增塑剂。

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羟基化剂,使苯酚羟基化生成邻苯酚和对苯酚的研究开发进展。

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.

在各种氨基比方丙氨以及苹果和草酰乙合成中前体。苹果与草酰乙均是三羧循环的中间产物。

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,昆虫中肠羧酯酶的活性及酯酶同功酶的差异是这种选择麻醉用的重要机制。