1)reesterification['ri:est?rifi'kei??n]再酯化
2)reesterification['ri:est?rifi'kei??n]再酯化作用
3)reactivate[英][ri'?kt?ve?t][美][r?'?kt?'vet]再活化,再生
4)esterification[英][e,sterifi'kei??n][美][?,st?r?f?'ke??n]酯化
1.Kinetics of esterification and transesterification for biodiesel production in two-step process;酯化-酯交换两步法制备生物柴油的动力学
2.Progress of catalysts for producing biodiesel by esterification and transesterification reaction;酯化及转酯化法制备生物柴油过程中催化剂的研究进展
3.Catalytic performance of phosphotungstic acid immobilized by sol-gel method for esterification of critic acid;溶胶-凝胶法制备负载磷钨酸催化剂及其对柠檬酸酯化反应的性能
英文短句/例句
1.Direct Synthesis of Ethyl Acetate from Ethanol through Dehydrogenation, Disproportionation and Esterification乙醇脱氢歧化酯化一步合成乙酸乙酯
2.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
3.Catalytic Esterification of Benzoic Acid to Ethyl Benzoate using CuCo_2O_4 as CatalystCuCo_2O_4催化酯化苯甲酸到苯甲酸乙酯
4.degree of xanthation黄酸酯化度,黄化度
5.The Acid Value Determination of Ester of PET in Non-aqueous Solution System聚酯酯化物非水溶液体系酸值的测定
6.Preparation of Dimethylene Adipate by Continuous Esterification连续酯化制备1,6-己二酸二甲酯
7.Molybdenum Trioxide Catalyst for Transesterification of Dimethyl Carbonate and Phenyl Acetate to Diphenyl CarbonateMoO_3催化碳酸二甲酯与乙酸苯酯合成碳酸二苯酯
8.Synthesis of Diphenyl Carbonate from the Transesterification Catalyzed by Dibutyltin Sulfonates二丁基锡磺酸酯催化酯交换合成碳酸二苯酯
9.UV Cureable Waterborne Polyurethane-Acrylate Dispersions;UV固化水性聚氨酯丙烯酸酯分散体
10.Research of Heparin Modification Onto Polycarbonate Urethane Surface聚碳酸酯聚氨酯表面肝素化改性研究
11.Synthesis of didodecyl carbonate by transesterification on KNO_3/HMSKNO_3/HMS催化酯交换法合成碳酸二月桂酯
12.Synthesis of diphenyl oxalate by transesterification over TiO_2/SiO_2 catalystsTiO_2/SiO_2催化酯交换合成草酸二苯酯
13.Research Progress of UV-Curable Polyurethane Acrylate紫外光固化聚氨酯丙烯酸酯研究进展
14.DMC Synthesis by Transesterification of Propylene Carbonate and Methanol over CaO near Room Temperature氧化钙室温催化碳酸丙烯酯和甲醇的酯交换合成碳酸二甲酯
15.Synthesis of UV-Curable Hyperbranched of Polyester Urethane Acrylates可UV固化的超支化聚酯改性聚氨酯丙烯酸酯的合成
16.Organotitanium Compound Catalysts for Transesterification of Dimethyl Carbonate and Phenyl Acetate to Diphenyl Carbonate有机钛化合物催化碳酸二甲酯与乙酸苯酯合成碳酸二苯酯
17.diisopropyl peroxy dicarbonate过氧化二碳酸二异丙酯
18.dicyclohexyl peroxydicarbonate过氧化二碳酸二环已酯
相关短句/例句
reesterification['ri:est?rifi'kei??n]再酯化作用
3)reactivate[英][ri'?kt?ve?t][美][r?'?kt?'vet]再活化,再生
4)esterification[英][e,sterifi'kei??n][美][?,st?r?f?'ke??n]酯化
1.Kinetics of esterification and transesterification for biodiesel production in two-step process;酯化-酯交换两步法制备生物柴油的动力学
2.Progress of catalysts for producing biodiesel by esterification and transesterification reaction;酯化及转酯化法制备生物柴油过程中催化剂的研究进展
3.Catalytic performance of phosphotungstic acid immobilized by sol-gel method for esterification of critic acid;溶胶-凝胶法制备负载磷钨酸催化剂及其对柠檬酸酯化反应的性能
5)esterfication酯化
1.Solid superacids SO~2-_4/TiO_2-Al_2O_3 were prepared and used to catalyze the esterfication of iso-octyl alcohol and by-products in oxidization reaction of durene,which were pretreated before esterifying reaction.考察了催化剂用量、异辛醇与混合酸的质量比、反应时间等因素对酯化反应的影响,确定了较佳的反应工艺条件:m(催化剂)∶m(异辛醇)∶m(混合酸)=0。
2.The influence factors esterfication reaction, such as catalyst amount, acid alcohol mole ration,reaction time were investigated.考察了催化剂用量、原料配比、反应时间对酯化反应的影响。
3.On the basis of analyzing the starch reaction theory of esterfication and acknowledging the existing work that had been done by predecessors, the effects of conditions on the reactions together with the product's properties including clarity, the freeze-thaw stability and the degree of substitute (DS) were systematically studied by means of changing the condition such as the react.在前人研究工作的基础上 ,通过改变反应温度、pH值、反应时间和醋酸酐用量等条件 ,探讨了这些条件对酯化反应的影响 ,并对产品的糊透明度、取代度、冻融稳定性等进行了系统的研究 ,并用Brabender粘度仪测定了样品的起糊温度、粘度峰值等温度变化过程中样品粘度性质的变
6)esterifying[英][es'terifai][美][?s't?r?,fa?]酯化
1.Study on the determination method about the esterifying enzymes from DaQu of Chinese Strong Flavour Liquor Making;浓香型大曲中酯化酶测定方法的研究
2.The esterifying effects of monascus,daqu and rhizopus strain on single acid(acetic acid,caproic acid,lactic acid,butyric acid) and mixed acid(acetic acid,caproic acid,lactic acid,and butyric acid mixed together according to the ratio of 1∶1∶1∶1) were studied.对红曲霉、大曲以及根霉菌对单一酸(乙酸、己酸、乳酸、丁酸)和混合酸(四大酸按11∶1∶1∶混合)的酯化效果进行了研究,结果表明,红曲霉能促进己酸、丁酸及混合酸与乙醇的酯化作用,生成的酯类物质均为己酸乙酯,而且酯化能力极强;大曲能促进己酸、丁酸及混合酸与乙醇的酯化作用,生成的酯类物质均为己酸乙酯,并且能促进乙酸与乙醇的酯化生成乙酸乙酯;根霉能促进己酸和混合酸与乙醇的酯化作用,生成少量的己酸乙酯和乳酸乙酯。
3.The disodium alkyl polyglycoside sulfosuccinate was synthesized by esterifying and sulfonating reaction of alkyl polyglycoside,succnic acid in the presence of p-toluenesulfonic acid,and influence fac- tors of the synthetic process were also studied.以烷基多苷、顺丁稀二酸酐为原料,对甲苯磺酸为催化剂,通过酯化、磺化反应合成了阴离子表面活性剂—烷基多苷磺基琥珀酸单酯二钠盐,探讨了各主要影响因素对合成反应过程及结果的影响。
延伸阅读
内酯化作用分子式:CAS号:性质:羟基酸的羧基和羟基发生分子内的酯化作用生成环状内酯的反应。与一般酯化作用类似,内酯化作用是一个平衡过程。在一般情况下,只有五元环和六元环的内酯较易生成。γ-羟基丁酸和γ-内酯在平衡时为27:73,环上烷基取代基有利于向内酯方向移动。大环内酯的形成需要特殊的反应条件,15-羟基十五碳羧酸在极稀(0.007mol/L)的苯溶液中,在酸催化下,并且在反应过程中移走水,可以得到高产率的相应的十五个碳原子的内酯。
