1) solvent-free system
无溶剂体系
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.
比较了5种不同商品化脂肪酶和自制的华根霉CCTCCM201021全细胞脂肪酶(RCL)催化油脂合成生物柴油的转化效果,结果表明,RCL能有效应用于无溶剂体系催化合成生物柴油。
2.
Candida rugosa lipase(CRL) dispersed by diatomite powder was used in the enzymatic synthesis of feruloylated dioleoylglycerol(FDO) by transesterification of triolein and ethyl ferulate in solvent-free system.
在无溶剂体系中以分散在硅藻土上的褶皱假丝酵母脂肪酶为催化剂,以阿魏酸乙酯与油酸甘油酯为原料,一步合成阿魏酸双油酸甘油酯。
3.
The transesterifiction of N-BOC-L-phenylalanine ethyl ester with D-glucose catalyzed by α-chymotrypsin in solvent-free system was studied.
研究了在无溶剂体系中Α-糜蛋白酶催化N-BOC-L-苯丙氨酸乙酯与D-葡萄糖的酯交换反应,考察了水含量、反应时间、搅拌以及底物摩尔比等因素对酯交换反应的影响。
2) solvent-free medium
无溶剂体系
1.
Lipase catalyzed hydrolysis of linseed oil in a solvent-free medium;
无溶剂体系中脂肪酶催化亚麻油水解反应研究
2.
The kinetics of safflower oil hydrolysis catalyzed by a lipase from Aspergillus niger was investigated in a solvent-free medium and an AOT/isooctane/phosphate buffer microemulsion medium.
酶在无溶剂体系中的热稳定性高于微乳液中。
3) solvent system
溶剂体系
1.
The choice of solvent system in synthesizing liquid crystalline polyamide by using solution method;
溶液法合成液晶聚酰胺中溶剂体系的选择
2.
Effect of novel solvent system on production technology of thermoplastic elastomer SBS;
新溶剂体系对SBS生产工艺的影响
3.
Selection of solvent system for high speed countercurrent chromatography in separation of natural products;
高速逆流色谱分离天然产物的溶剂体系选择
4) solvent free system
无溶剂系统
1.
Cocoa butter equivalent (CBE) produced from palm oil mid fraction (POMF) and stearic acid methyl ester (SAME) by interesterfication catalyzed by 1,3-specific lipases in solvent free system by using orthongonal tests was studied.
本文运用正交实验研究了在无溶剂系统中,利用1,3位置特异性脂肪酶催化POMF与硬脂酸甲酯进行酯交换反应制取类可可脂。
2.
The transesterification of waste oil to biodiesel in a solvent free system catalyzed by an immobilized lipase Novozym 435 was explored.
探讨了无溶剂系统中固定化脂肪酶Novozym 4 35催化餐饮业废油脂转酯生产生物柴油 。
3.
Cocoa butter equivalent(CBE)production from palm oil m idfraction(POMF)and stearic acid methyl ester(SAME)by interesterification cataly zed by 1,3 specific lipases in solvent free system was studied.
研究了在无溶剂系统中 ,利用 1,3位置特异性脂肪酶催化POMF与硬脂酸甲酯进行酯交换反应制取类可可脂。
5) aqueous solvent
水溶剂体系
1.
The mixed acid containing the sulphuric acid and organic acid was found to display better catalytic activity than others in aqueous solvent.
实验发现,在水溶剂体系中,以n(H2SO4)∶n(有机弱酸)=2∶1的混合酸为催化剂的催化活性最佳,在反应温度95℃、反应时间3。
6) solvent-exist system
有溶剂体系
1.
3% in the solvent-free and solvent-exist system,respectively.
采用直接酯化法,以亚麻酸和甘油为原料,以脂肪酶Novozym 435为催化剂在无溶剂体系和有溶剂体系中合成亚麻酸甘油酯。
补充资料:溶剂体系理论
分子式:
CAS号:
性质:酸碱理论之一。酸是增加溶剂特征阳离子浓度的物质,碱是增加溶剂特征阴离子浓度的物质。一些溶剂可自动电离生成特征的阳离子和阴离子。如2HAc=H2Ac++Ac—,2NH3=NH4++NH2—,2H2SO4=H3SO4++HSO4—,2SO2=SO2++SO32—,为处理这些体系中溶质的电离和中和反应,提出上述理论。该理论扩大了酸碱概念,但不适于不电离的溶剂(如苯和氯仿)中的酸碱体系。
CAS号:
性质:酸碱理论之一。酸是增加溶剂特征阳离子浓度的物质,碱是增加溶剂特征阴离子浓度的物质。一些溶剂可自动电离生成特征的阳离子和阴离子。如2HAc=H2Ac++Ac—,2NH3=NH4++NH2—,2H2SO4=H3SO4++HSO4—,2SO2=SO2++SO32—,为处理这些体系中溶质的电离和中和反应,提出上述理论。该理论扩大了酸碱概念,但不适于不电离的溶剂(如苯和氯仿)中的酸碱体系。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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