1) esterifying efficiency
酯化效率
2) esterification rate
酯化率
1.
Test and calculation of esterification rate in EGDA reaction with direct esterification method;
直接酯化法制备EGDA反应中酯化率的检测与计算
2.
It is pointed out that esterification rate is the key factor influencing the reactionprocess.
将伊文达-卡尔费休聚酯装置的缩聚过程分成三类反应,应用聚合机理,恰当解析了端羧基含量、二甘醇含量与生产线在线表现的关系,并指出酯化率才是影响反应过程的关键因素。
3.
Based on the principle of reaction kinetics,the residence time of the first esterification vessel was calculated and adjustment so that the control esterification rate is reasonably.
利用反应动力学的原理 ,计算并调整第一酯化釜的停留时间 ,以达到合理控制酯化率。
3) esterification degree
酯化率
1.
The effect of the esterification degree of amine salt of alkyl phosphate on the intumescent coating was studied through the small scale fire tests,TG and DSC method.
通过微型电炉实验、差热分析(DSC)和热失重分析(TG),研究了烷基磷酸酯胺盐的酯化率对超薄型钢结构防火涂料的影响。
2.
The effect of PET direct esterification conditions on esterification degree was studied in the presence of oligomers.
利用二次正交回归法研究了在有齐聚物存在下 ,PTA与EG合成PET直接酯化工艺条件对酯化率的影响 ,得出了合成PET酯化过程影响因素的数学模型 ,并对反应温度、反应物质量比、摩尔比的影响进行比较 ,发现温度是酯化过程的主要影响因素 ,反应温度升高有利于增加酯化
4) Esterification ratio
酯化率
1.
The result indicated that the consistency of carboxyl end groups in PET chip was cut down byincreasing some process parameters such as final esterification ratio of esterification process, mole ratio ofEG, vacuum of polycondensation system and by reducing ttemperature of polycondensation.
分析原料性质及生产工艺条件对聚酯切片端羧基的影响，提高酯化段最终酯化率及EG物质的量比、提高缩聚系统真空度、适当降低缩聚反应温度，可以降低切片端羧基。
2.
The effects of reaction conditions such as kind of catalyst,molar ratio of the reactants,reaction time and temperature on the esterification ratio were studied by orthogonal experimentation,and the optimum reaction conditions were determined: hydrated sodium bisulfate as catalyst,butanol: citric acid = 4 : 1(mol / mol),reaction time was 2.
通过正交试验考察了催化剂种类、醇酸摩尔比、反应时间及反应温度对酯化率的影响,从而确定了最佳合成工艺条件为:采用一水合硫酸氢钠为催化剂,醇酸摩尔比为4:1,反应时间为2。
5) esterification yield
酯化率
1.
The esterification yield of n-butyl acetate was a.
5 %(质量分数 ) ,反应时间为 3h,酯化率可达 92 。
2.
5～3h,the esterification yield of n-butyl butyrate was 88.
5~3h,酯化率可达到88。
3.
The orthogonal experiments were prepared based on the four main effective factors: reaction temperature, reaction time, the mole ratio of perfluorocaprylic acid to polyglycerol and catalyst species, the esterification yield and antifogging property of them were as the test indexes.
然后,由全氟辛酸与聚甘油在零溶剂条件下发生酯化反应,合成了全氟辛酸聚甘油酯,并以酯化率和防雾滴性能为试验指标,对影响结果的四个主要因素:反应原料摩尔比、反应温度、反应时间、催化剂种类等进行了正交实验。
6) conversion rate of esterification
酯化转化率
1.
It is possible to predict and controll the conversion rate of esterifications such as acrylic acid with dodecanol,tetradecanol and hexadecanol by this equation.
该回归方程在自变量的回归范围内适用于丙烯酸与十二醇、十四醇、十六醇酯化转化率的预测和控制上。
补充资料：配置效率和生产效率
在经济学上，经济发展的动力，或者说效率的来源，分为两类：一类是配置效率，二是生产效率。所谓配置效率，是指给定资源和技术的条件下，怎么样使资源从边际生产率低的地方流向边际生产率高的地方，从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率，也就是把社会的生产可行性边界向外移。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条