英汉例句

• macromolecule monomer with active groups is polycondensated with polyacid and polyols through esterification reaction to give saturated polyester that is well compatible with acrylic resin.

  利用带有活性官能基团的大分子单体，采用酯化反应工艺，与多元酸、 多元醇进行缩聚反应，合成的饱和聚酯树脂与丙烯酸树脂具有非常好的相容性。

• the effects of reaction conditions and catalysts surface acidity on esterification reaction were investigated.

  考察了反应条件对酯化反应的影响，催化剂的表面总酸度与酯化活性的关系。

• in esterification reaction, the influences of catalyst amount, materials ratio, reaction time, prepared method of the expandable graphite on esterification reaction were discussed.

  在酯化反应中，催化剂用量，原料配比，反应时间对酯化反应的可膨胀石墨的制备方法的影响进行了讨论。

• the esterification reaction of a long chain fatty acid and a fatty alcohol catalyzed by sugar ester modified lipases in organic media was studied.

  本文研究了不同糖脂化合物修饰的脂肪酶在有机溶剂中催化长碳链脂肪酸和脂肪醇的酯化反应。

• the experimental result shows that this catalyst has better catalytic activity and makes the period of esterification reaction much shorter and the yield much higher.

  实验结果表明，对甲苯磺酸有较好的催化活性，可使酯化反应时间大大缩短，收率明显提高。

• the methyl- esterification reaction of low -methoxyl pectin with methylalcohol by the presence of some catalysts was observed .

  研究了在催化剂存在下低酯化度果胶与甲醇进行的甲酯化反应。

• the amyl pentanoate was synthesized by the esterification reaction of n-pentanol with pentanoic acid using aluminophosphate molecular sieve as a catalyst.

  首次用磷酸铝分子筛催化戊酸与正戊醇的酯化反应合成了戊酸正戊酯。

• the effects of microwave irradiation power, reaction time, molar ratio of isoamyl alcohol ton-butyric acid and the use level of catalyst on esterification reaction were investigated.

  探讨微波辐射功率、辐射时间、醇酸摩尔比以及催化剂用量等因素对酯化反应的影响。

• some different kinds of solid superacid, the influence of stir speed, the amount of catalyst, and the roasting temperature on esterification reaction was studied.

  分别考察了不同类型固体超强酸的催化酯化作用 ，并且研究了搅拌速度、催化剂用量以及焙烧温度对酯化反应的影响。

• catalytic ability of strong acid cation exchange resin for esterification reaction was investigated with acrylic acid and 1-octanol as model system.

  本文以丙烯酸、正辛醇为原料，强酸性离子交换树脂作为催化剂，催化酯化反应。

• the esterification reaction of propionic acid with n-pentanol was studied by using novel aluminophosphate and silicoaluminophosphate molecular sieves as catalysts.

  用新型磷酸铝分子筛和硅磷酸铝分子筛作催化剂，对丙酸和正戊醇液—固相酯化反应进行了研究。

• the structural character of zeolite solid acid and zeolite solid-superstrong acid and their application in esterification reaction systems are presented.

  介绍了沸石分子筛固体酸和固体超强酸的结构特征及其在酯化反应体系中的应用。

• catalytic effect of alkyl stannate on rosin esterification was studied. factors affecting the esterification reaction are discussed in detail.

  以松香树脂酸的酯化反应为例，研究了烷基锡酸对酯化反应的催化作用，系统的探讨了影响反应的各种因素。

• the optimum conditions of the esterification reaction were determined with the yield of 97.96% by orthogonal experiment.

  用正交试验确定了酯化反应的优化条件，酯化率达97.96%。

• distearic acid glycol ester was synthesized by esterification reaction from glycol and stearic acid.

  以乙二醇、硬脂酸为原料，合成了珠光剂乙二醇双硬脂酸酯。

• methyltrimethoxylsilane-a silane coupling agent was prepared by the esterification reaction of methylerichlorosilane and meghyl alcohol.

  介绍了由甲基三氯硅烷与甲醇进行酯化反应制备一种硅烷偶联剂甲基三甲氧基硅烷的方法。

• fluorescent whitening agent er was synthesized by the esterification reaction of phosphorous ether with o cyanobenzyl chloride dissolved in benzene.

  用苯溶解邻氰基氯芐，再与亚磷酸三乙酯进行酯化反应，合成荧光增白剂er。

• the paper summarizes the development of esterification reaction in this country and reports some common ways of esterification and its future trend.

  总结了近几年来国内酯化反应的发展过程，报道几类常用酯化方法及其发展趋势。

• cellulose acetate propionate(cap) was synthesized by the heterogeneous esterification reaction of cellulose.

  酯化反应使纤维素的结晶度降低。

• the conditions of esterification reaction and the catalytic stability of the resin were investigated.

  考察了反应条件对酯化反应的影响和树脂的催化稳定性。

• benzyl propionate was synthesized by the esterification reaction of benzyl alcohol with propionic acid using potassium bisulfate.

  用硫酸氢钾催化苯甲醇与丙酸的酯化反应合成了丙酸芐酯。

• a kind of complexing catalyst was introduced. the influences of the amount of complexing catalyst, temperature and time on the esterification reaction were investigated.

  提出了一种复合催化剂，讨论了催化剂用量、反应温度、反应时间三因素对酯化反应的影响。

• in toluene solution, the esterification reaction of 3,5,6-trichlorosalicylic acid and n-pentanol took place with nano catalyst, and then the 3,5,6-trichlorosalicylic ester was produced.

  三氯水杨酸和正戊醇在纳米催化剂的作用下，在甲苯溶剂里发生酯化反应生成3，5，6-三氯水杨酸正戊酯。

• taking the soybean oil dreg as the raw material, using the method of esterification reaction and supercritical co2 extracting, we carry through the research of extraction of natural ve.

  以大豆油脚为原料，采用酯化反应和超临界co2萃取方法，进行了天然ve的提取研究。

• it is also found that the esterification reaction ratio increases with agitation speed increasing.

  研究发现该反应明显受到搅拌条件的影响，快速搅拌能提高反应速率；