condensation

Polybutylene terephthalate (PBT) is a semicrystalline thermoplastic polymer formed by a condensation process.

PBT通过浓缩成型而制备的，半结晶热塑性塑料。

A reduction in condensation is accomplished by the use of steam-jackets.

使用汽套就能达到降低冷。

Five Schiff bases were prepared from piperonal and diamines by condensation reaction.

合成新的双-胡椒缩二胺类席夫碱化合物。

The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

采用均匀设计法对对二氨基显色法测定桃叶珊瑚甙的显色条件进行了优化。

There was condensation on the windows.

玻璃窗上结着水珠。

After the process of chlorization, hydrolytic decomposition and condensation, the hemopexis acid amine product was obtained.

用胡椒为起始原料,经氯化、水解、缩合,制得血酸胺。

A chiral hadronic model is extended to investigate antikaon condensation and hyperons production of protoneutron stars.

摘要用相对论平均场下的手徵强子模型研究了前中子星内(平均值)K聚和超子的生成。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)酯化、酰胺化等反应常用的脱水剂,采用DCC脱水缩合,反应条件温和,合成收率通常较高。

Aluminum propoxide for the Tishchenko condensation of propanal to propyl propionate is prepared from aluminum powder and propanol.

以合成出的丙醇铝为催化剂,无水氯化锌为助催化剂,用丙步合成了丙酸丙酯,收率可达92％,选择性可达93％。

Thioxanthone photoinitiator was synthesized from DTSA by chlorination and condensation with isopropylbenzene in the presence of anhydrous AlCl3.

以二硫代二酸(DTSA)经过酰氯化、氯代、然后与异丙在三氧化铝催化下缩合成为光引发剂。

A planar tetradentate dinuclear ligand, 3, 5-bis(2-pyridyl) pyrazole, was synthesized by a three-step reaction of esterification, condensation and addition.

以2-吡啶酸为原料，经酯化、缩合、加成合成了平面四齿双核配体3，5-二（2-吡啶基）吡唑。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对硝基酰氯为起始原料,经缩合、还原、重氮化、偶合、成盐等反应制得巴柳氮二钠。

System of law: The chloride of nicotinic acid via nicotinic acid chloride was then formed with the mannitol condensation.

甘露醇烟酸酯(Mannitol Nicotinas)，降血脂及周围血管扩张药。Nicotinate mannitol (Mannitol Nicotinas), fat and peripheral vasodilator. 制法：以烟酸经酰氯化得烟酸酰氯，再与甘露醇缩合而成。

Nowadays precision dew point hygrometers are mostly the type of light-electricity detection,thermoelectric refrigeration and specula-surface condensation dew point instrument internationally.

目前国际上的精密露点仪大多为光电检测且热电制冷的镜面冷式露点仪。

Thirteen new compounds of the alkyl styryl indoline spirobenzopyrans were synthesized from the condensation of 2-methylene indoline with the designed salicylaldehyde.

利用2-亚基吲哚啉和取代水杨缩合得到十三新的烷基乙烯基吲哚啉螺并吡喃。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂在碱性条件下由茜素、和亚氨基二乙酸缩合而成。

Based on the theoretical analysis, the electrohydrodynamics (EHD) enhancement of condensation heat transfer inside vertical tube for five representative electrodes were investigated.

基于EHD强化管内结换热的理论分析，对5根直径不同的电极进行了垂直管内EHD强化结换热实验研究。

The main synthetic methods of o-phenylphenol were reviewed.The method and research status of dehydrogenation to o-phenylphenol after cyclohexane condensation reaction were discussed detailedly.

摘要介绍合成邻基酚的几主要工艺方法，对环己酮缩合脱氢法制邻基酚的合成方法及研究状况进行详细阐述。

This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.

讨论了以草酸二乙酯为原料,经过克莱森缩合、环合、氨解反应合成5基异唑3酰胺工艺的改进。

High-grade filling and retanning agent CDF was prepared by condensation polymerization reaction of urea,cyanuramide and dicyandimide.The property and application of the product were discussed.

本文主要论述了用脲、双氰胺、三聚氰胺等原料经缩聚反应制备填充复鞣剂CDF的方法及其性能与应用。