esterification的例句大全

The content of terminal carboxyl group can be controlled under the optimal conditions as followed: catalyst concentration 120 μ g/ g, esterification temperature 240 ℃, stirrer rotary speed of final condensation reactor 5 r/ min.

控制PBT端羧基含量的最佳工艺为：催化剂浓度120μg／g，酯化温度240℃，终缩聚釜搅拌器转速5r／min。

A fiber-grade PBT was prepared from purified terephthalic acid by esterification. The effect of the performance of PBT on the spinnability was discussed by variance analysis. The influential factors on the terminal carboxyl group content of PBT were studied by orthogonal experiments.

采用精对苯二甲酸酯化法制备纤维级PBT，利用方差分析方法比较了PBT性能对可纺性的影响，并对PBT端羧基含量的影响因素进行了正交试验。

In order to determine alcoholysis terminal paint and esterification condition, a study on the components of alcoholysis solution in alcoholysis process and molecular weight and its distribution in esterification process has been accomplished.

为确定醇解终点和酯化条件，本研究对醇解过程中醇解液组成的变化，酯化过程中树脂分子量及分子量分布进行了研究。

Using SO_4~ ( 2-) Promoted Mesoporous Zirconium Molecular Sieve as Catalysts for the Esterification of Terpineol

SO4~（2-）促进的中孔含锆分子筛催化合成乙酸松油酯的研究

Special effort has been made to study the esterification method of cedrol which is a highly sterically hindered tri-cyclic tertiary alcohol and the factors which affect their synthesis.

研究了反应条件，位阻大小对产率的影响，并着重探索了三环大位阻高级叔醇&柏木醇的酯化方法及影响其合成的的因素。

Thermodynamic Equilibrium in the Vapor Phase Esterification of Acetic Acid With Ethanol

乙酸和乙醇气相酯化的热力学平衡

The thermal stability of natural plant fibers are decreased by esterification and etherification thus functional materials with good thermoplasticity can be obtained.

天然植物纤维可以通过酯化、醚化等方法改变其热性能，从而制备出具有良好热塑性能的功能材料。

Then 2-ethylhexyl p-methoxy cinnamate was synthesized by esterification under microwave irradiation with p-toluene sulphonic acid as catalyst, while microwave power was 320~ 400W and time of irradiation was 40 min, the yield was 85%.

再以对甲苯磺酸为催化剂，用微波辐射技术，经酯化反应得对甲氧基肉桂酸2-乙基己酯，微波功率320W～400W，辐射40min，产率为85%。

Structural Model and Esterification Activity of Zn_2Al-PW_ ( 11) Z Pillared Compounds Synthesis and Structure of 1,1 ′-( Tetramethyldisilandiyl)-dicyclopentadienyl Titanium Dichloride

柱撑化合物Zn2Al-PW（11）Z的结构模型及酯化活性1,1′-[四甲基二硅撑]二环戊二烯基二氯化钛的合成与结构

Measured activation energy for esterification reaction in liquid phase and vapour-liquid phase are 49.4 kJ/ mol and 54.4 kJ/ mol respectively.

测得的液相和汽－液相酯化反应的活化能分别为49.4kJ／mol和54.4kJ／mol。

Copper and polymerized ferric sulphate were prepared by using scrap iron coils to react with acid wastewater containing copper ion. Esterification wastewater was treated by using polymerized ferric sulphate as flocculant.

利用废铁卷与含铜酸性废水作用制备金属铜和聚合硫酸铁，并用聚合硫酸铁作絮凝剂处理酯化废水。

Studies on the esterification reaction coupling pervaporation membrane separation ( I)── Esterfication of propionic acid/ isopropanol and it's process, parameters

渗透汽化膜分离耦合酯化反应的研究（Ⅰ）&丙酸/异丙醇的酯化反应及其过程参数

The effect of new product's phase on esterification was discussed, especially on its reaction rate and effective range.

考察了产物新相对酯化反应速度的影响；

At the same time, the reaction rate constant, the reaction rate equation, the activation energy, and the arrhenius factor were given. The results show that the esterification is a kind of second-order reaction.

结果表明该酯化反应属于二级反应，同时求出了反应速率常数表达式、反应速率方程、活化能以及指前因子。

Esterification characteristics and crosslinking reaction parameters between wood and polycarboxylic acid

多元羧酸与木材酯化反应特征和交联反应参数

The lipase from Candida rugosa was coated with synthetic glutamic acid dialkyl ester ribitol and used for catalyzing esterification reactions in organic solvents.

用合成的谷氨酸二烷基酯核糖醇对来源于Candida Rugosa的脂肪酶进行了包衣，以月桂酸与月桂醇的酯化为模型反应，研究了各种操作条件对包衣酶活性的影响。

Screening for2-bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.

筛选以2-溴代丁酸为起始原料，经氨解，酯化，酯胺解，拆分，环合五步反应制得左乙拉西坦。

Study on Catalytic Esterification of Chloroacetic Acid

氯乙酸酯化反应催化研究

Experimental results indicated that the optimum conditions of esterification reaction are the molar ratio of o-phthalic acid, n-butyl alcohol and sodium hydrogen sulfate 1:2. 6:0. 22, the reaction time 1. 5 h, and the yield up to 94.24%.

实验结果表明：酯化反应的优化条件为邻苯二甲酸、正丁醇、硫酸氢钠物质的量比为1：2.6：0.22，反应时间1.5h。产率可达94.24%。

It is reviewed that sulfamic acid can be utilized as a green catalyst in many important organic reactions such as esterification and transesterification, group protection, imino-Diels-Alder, rearrangement, substitution and condensation.

综述了近年来氨基磺酸作为一种绿色催化剂在有机合成中的应用，主要包括酯化与酯交换、基团保护、氮杂Diels-Alder、重排、取代及缩合等反应。