转酯化反应,transesterification
1)transesterification[tr?ns?s,ter?fi'kei??n]转酯化反应
1.Compared with five commercial lipases, the whole-cell lipase of Rhizopus chinensis CCTCC M201021 (RCL) showed high catalytic ability in the transesterification of soybean oil to fatty acid methyl ester (biodiesel) in the solvent-free system.在无溶剂体系中对该酶催化生物柴油的转酯化反应工艺进行优化,考察了甲醇用量、体系含水量、酶的添加量和反应温度对生物柴油收率的影响,使生物柴油最终收率大于86。
2.The influence of water content,molar ratio of methanol to oil,concentration of alkaline catalyst,reaction temperature and time different reaction factors to transesterification,and methods such as water washing,acid washing,extraction and pressure reduced etc.考察了原料油水分含量、醇油物质的量比、催化剂浓度、反应温度、反应时间等对转酯化反应的影响,以及水洗、酸洗、萃取、减压蒸馏等不同后处理方法对产品品质的影响。
3.KGM can be modified by environmentally friendly and selective enzyme-catalyzed transesterification to form the esterified derivatives of KGM and then its applications will be extended.通过环境友好的、高选择性的酶催化转酯化反应引入疏水基团可以制备葡甘聚糖的酯化衍生物,从而拓宽其应用领域。
英文短句/例句

1.Preparation of Cholesterol by Transesterification of Lanolin Using Different Catalysts;不同催化剂催化羊毛脂转酯化反应制备胆固醇的工艺
2.Effects of adsorbing glycerol with silica gel on enzymatic transesterification of soybean oil硅胶吸附甘油在酶法催化大豆油转酯化反应中的作用
3.Study of Enzyme Transesterification in Solvents with Fluorospectrophotometry荧光分光光度法研究酶在非水相体系中的转酯化反应活性
4.The Lipase-catalysed Esterification and Transesterification in Ionic Liquid;离子液体中脂肪酶催化酯化、转酯反应
5.The conversion, the utilization rate of raw materials and the product yield of esterification reactions are raised by applying the catalytic rectification process.催化精馏技术应用于酯化反应体系,提高了反应的转化率、原材料利用率和产品收率。
6.Glass Transition Behavior and Mechanical Properties of Epoxy Resin Toughened by Aminated Polycarbonate反应性聚碳酸酯/环氧树脂体系的玻璃化转变行为及力学性能
7.Reasearch on Etherification and Esterification Reaction by DBSA and Microemulsions Catalytic;DBSA微乳催化醚化、酯化反应的研究
8.Layered Double Hydroxides and Their Application in the Hydrolysis of Esters;层状氢氧化物在酯水解反应中的应用
9.Progress in Research on Esterification Reactions Catalyzed by Heteropolyacid(Salts);固体杂多酸(盐)催化酯化反应研究进展
10.Studies on Catalysts in Esterification of Acetic Acid and Isoamyl Alcohol;乙酸和异戊醇酯化反应催化剂的研究
11.The Effect of Density Changes on Polyesterification Kinetics密度变化对聚酯化反应动力学的影响
12.DBSA Catalyzed Oxidative of Aldehydes to Esters in MicroemulsionDBSA微乳液中醛的氧化酯化反应的研究
13.Synthesis and Characterization of Tantalic Acid and Its Catalytic Activities for Esterification钽酸的合成、表征及催化酯化反应性能
14.STUDY ON THE CAUSE OF AUTOCATALYTIC ESTERIFICATION OF HIGH ACID CRUDES高酸原油自催化酯化反应的原因探讨
15.Esterification catalyzed by ionic liquids of imidazolium hydrogen sulfate咪唑硫酸氢盐离子液体催化酯化反应
16.Esterification on Silica Supported Zirconium Sulfate Solid Acid CatalystSiO_2负载硫酸锆固体酸催化酯化反应
17.Nitrous esters can react with alkyl peroxides to yield alkyl nitrates.亚硝酸酯与过氧化烷基反应,得到烷基硝酸酯。
18.Under above conditions,95.6% of acetic acid is converted,the yield chloroacetates is 89.6%.在此反应条件下,乙酸的酯化率为95.6%,酯收率为89.6%。
相关短句/例句

transesterification[tr?ns?s,ter?fi'kei??n]转酯反应
1.Analysis for oils transesterification reaction by high temperature gas chromatography;高温气相色谱分析油脂转酯反应
2.Study on the Mechanism of Lipase-Catalyzed Transesterification of Organosilyl Alcohol;有机相中脂肪酶催化有机硅醇转酯反应机理
3.Kinetics of Lipase-Catalysed Transesterification of Triglycerides In Non-Aqenous Phase;非水相中脂肪酶催化甘油三酯转酯反应动力学
3)esterification[英][e,sterifi'kei??n][美][?,st?r?f?'ke??n]酯化反应
1.Studies on the Esterification Reactions of Rosin under the Irradiation of Microwave and Ultrasound;微波与超声波辐照下松香的酯化反应研究
2.Continuously pre-esterification of China wood oil catalyzed by solid acid;固体酸连续催化桐油预酯化反应研究
3.Optimization of the enriched oil with conjugated linoleic acid via enzymatic esterification in no-solvent system;酶促酯化反应合成共轭亚油酸油脂的工艺优化研究
4)etherification酯化反应
5)Esterification reaction酯化反应
1.The application of solid acid catalysts to esterification reactions;固体酸催化剂在酯化反应中的应用
2.The chromium complex prepared was used as catalyst to facilitate the esterification reaction of epoxy resins and acrylic acid.并以有机铬络合物作为催化剂催化环氧树脂与丙烯酸的酯化反应,研究了催化剂用量及温度等对反应速率的影响,对酯化产物进行了红外光谱表征。
3.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。
6)esterfication酯化反应
1.The catalytic capacity of ferric sulphate has been studied in the preparation of caprote by the esterfication of caproic acid and alcohols.以己酸酯的制备为例,探讨催化剂Fe2(SO4)3·XH2O对酯化反应的催化活性,研究了催化剂的用量和带水剂对酯收率的影响,以及催化剂重复使用的情况。
2.Glycol monostearate is synthesized by esterfication in inert solvent.本文对溶剂的种类、反应时间、反应液浓度和物料的配比对酯化反应的影响进行了研究,选出反应的最佳条件,使硬脂酸的转化率为98。
延伸阅读

酯化反应醇与酸作用生成酯和水的反应。如乙醇与乙酸反应生成乙酸乙酯和水的反应。