查询词典 carboxylic

In most hydrolyses involving organic compounds, the other reactants and products are neutral; for example, an ester can be hydrolyzed to form a carboxylic acid and an alcohol.

大多数水解都包含有机化合物，其它的反应物和产物都是中性的；例如，酯可以水解为羧酸和醇。

Metal complex and metallomicelle as model compounds for artificial enzyme have been widely and extensively studied. In this dissertation, a series of homo- and hetero-dinuclear oxamido-bridged complexes have been synthesized, and the catalytic hydrolyses of carboxylic acid esters and phosphate by these complexes have been systematically investigated, and the catalytic mechanisms have also been dissected.

金属配合物及金属胶束作为人工酶的模型化合物受到广泛而深入的研究，本文通过合成一系列的草酰胺桥联同核和异核双核配合物，较为系统地研究了它们催化羧酸酯、磷酸酯水解反应的动力学，探讨了它们的作用机制；同时，本文还探索了将金属胶束这一较为成功的水解酶模拟模型应用于过氧化物酶模拟研究的可行性。

The special compound latex products are: carboxylic butyl latex, cement latex, pitch latex, high benzene latex, blanket latex, and white paper latex, etc.

淄博齐龙化工有限公司生产的特种合成胶乳主要有：羧基丁腈胶乳，水泥胶乳、沥青胶乳、高苯胶乳、地毯胶乳以及白版纸胶乳等。

Piperidinecarboxylic acid is used as the raw material and acetic acid as the acylating agent, followed by the addition of some acetic anhydride in the later stage to get an important organic intermediate n-acetylpiperidine-4 carboxylic acid in the yield of 92%. Toluene is used as the solvent instead of sulfinyl chloride in the acyl chlorination to produce n-acetylpiperidine-4-carbonyl chloride with the yield of 97%.

以4-哌啶甲酸为原料、醋酸为酰化剂，后期加入少量醋酸酐反应得到中间体N-乙酰基哌啶－4-甲酸，收率92%；在甲苯溶剂中进行酰氯化得目标产物N-乙酰基哌啶－4-甲酰氯，收率97%。

Experimental results showed that aerosol created by 1,3,5-trimethylbenzene photooxidation can be classify with five distinct chemical particle classes, the predominant components of these five particles are aromatic aldehyde, phenol, nitrophenol and carboxylic acid compounds.

利用该算法对OH自由基启动1，3，5-三甲苯光氧化形成的二次有机气溶胶单粒子质谱数据进行了聚类分析，在得到的五个聚类中包含了芳香醛、酚类化合物、硝基酚和羧酸等重要的光氧化产物，为研究苯系物光氧化机理提供了新的信息。

Very good results were obtained in logP modeling for carboxylic acid, ethanol, phenol, aldehyde, ketone, ether, ester and amine. A QSPR model of logP for many kinds of substances was established by multi-linear regression with the first-order molecular connectivity valent index 〓 and the number of hydrogen bonds N as two patameters.

利用这两类结构参数，分别建立了脂肪族羧酸、芳香族羧酸、醇、酚、醛、酮、醚、酯、胺类物质的疏水性常数定量模型；在此基础上，建立了包含8类基本有机物144种物质的疏水性常数的定量模型，并提出logP的简化模型。

According to the experience of the research of the indoles alkaloid, we designed a series of novel compounds which contained indoles heterocyclic as the flat aromatic group, benzyloxy substituent at indoles 6 site as the nonhydrophilic group tail, carboxylic derivatives and TZDs bioisosterism substituent at indoles 2 site or 3 site as the hydrophilic group head.

于是根据我们课题组多年来对吲哚生物碱研究的经验，我们设计了以吲哚作为中间平面芳环体系，6位连接苄氧基作为疏水尾部，2位或3位连接羧酸及其衍生物、噻唑烷二酮及其电子等排体的一系列化合物。

A brief review is given for the chlorization of organic compound with SOCl 2,especially, the chlorization of carboxylic acid,substitution of hydoxyl group,carbonyl group,methlyene group and C,N,S,P,Si atoms.

综述了氯化亚砜在有机合成中的氯化应用，重点介绍了使羧酸氯化、去羟基氯化、加成羰基氯化、使活性亚甲基氯化及取代C ，N ，S ，P ，Si等原子上基团氯化的反应原

In the following experiments, we used solution blending method to mix ZnO nanoparticles and ABM copolymers together. In XRD and FTIR analysis, we found that the carboxylic acid groups of ABM copolymer could dissolve ZnO crystalline and adsorbed onto the surface of ZnO nanoparticles. In the sedimentation test, we observed that ABM copolymers enhanced the stability of dispersion of ZnO nanoparticles in the hydrophobic organic solvent.

将ZnO粒子与ABM共聚物以溶液掺混方式混合后，经XRD与FTIR等分析可得知ABM共聚物中的羧酸官能基会溶解ZnO的晶格结构并吸附於ZnO粒子表面上；由沉降实验可观察得知，ABM共聚物可提升ZnO粒子在亲油性有机溶剂中的分散稳定性。

In the solution,low concentration sulfate ions was determined by a direct titration with barium perchlorate as titrant and thorin as the indicator;the concentration of calcium ions was determined by a direct EDTA titration using Calcon carboxylic acid sodium salt as the indicator.

先用高氯酸将固体混合物溶解形成水溶液，然后以钍试剂为指示剂，用高氯酸钡溶液滴定溶液中的微量硫酸根，并用EDTA法以钙红为指示剂滴定溶液中的钙离子，从而可以计算出钙基脱硫剂的固硫率(表示为脱硫后固体混合物中的钙硫化)。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。