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corydalic acid methyl ester 紫堇酸甲酯
Abstract: Recent situation and the development of fatty acid methyl ester sulfonates（MES）were related. 摘要：叙述了脂肪酸甲酯磺酸盐近年来的发展以及目前的状况。
Sulfonated fatty acid methyl ester surfactant is purified by two-step solvent crystallization. 二步溶剂结晶法纯化了脂肪酸甲酯磺酸钠盐表面活性剂。
In the process glyceride is transformed into fatty acid methyl ester and glycerol by-product. 在这个过程中甘油酯转化为脂肪酸甲酯，并生成副产甘油。
By contrast,in the original sulfonated fatty acid methyl ester,contents of these ingredients are respe. 二步溶剂结晶法纯化了脂肪酸甲酯磺酸钠盐表面活性剂。
So the fatty acid methyl ester composition of a boidiesel fuel can be predicted by the fatty acid composition of its vegetable oil. 因此，可以通过测定植物油中脂肪酸的组成来预测生物柴油中脂肪酸甲酯的分布。
The test of glycerol diether analog suggested that 9 morderately halophilies contained non-hydroxy fatty acid methyl ester. 对细胞壁的甘油二醚衍生物测定显示，9株中度嗜盐菌株均含有非羟基化的脂肪酸甲酯。
Preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(LDH/LDO). 采用新型固体碱催化剂LDH/LDO进行菜油酯交换反应制备脂肪酸甲酯;产率达98.;5%25以上。
Fatty alcohol ethoxylates of the narrow range type and fatty acid methyl ester ethoxylates will be the new nonionic surfactants with interesting applications. 窄分布脂肪醇乙氧基化物和脂肪酸甲酯乙氧基化物是两类具有应用前景的新型非离子表面活性剂。
Conclusion The main chemical components of the fatty oil in Carum carvi L.were dibutyl phthalate,octadecanoic acid methyl ester,eicosanoic acid methyl ester,he... 结论青海防风脂肪油中主要化学成分为二丁基邻苯二甲酸酯、十八烷酸甲酯、二十烷酸甲酯、二十一烷酸甲酯等。
Linoleic acid was enriched by urea adduct method of the refined oil, resulting an increasing of linoleic acid methyl ester content from 78.39% of the crude oil to 93.75%. 精油经过皂化后;采用尿素包合法富集不饱和脂肪酸;可使亚油酸甲酯的含量由粗油中的78.;39%25提高到93
The main components of the essential oil of mulberry leaves were P-Propenylanisole (21.89%), Hexahydrofarnesyl acetone (18.11%), n-Hexadecanoic acid (9.19%), Geranyl acetone (4.47%), Farnesyl acetate (4.12%), and Hexadecanoic acid methyl ester(3.39%). 桑叶挥发油的化学成分以大茴香脑(21.;89%25)、六氢金合欢基丙酮(18
Using packed bed reactor filled with immobilized cells to produce D-mandelic acid methyl ester, 25 days later the conversion efficiency can be still sustained in 80% and the ee value is more than 95% when the charge was 0 2 mmol/(d·g) wet cell. 采用固定化细胞填充床反应器转化苯乙酮酸甲酯 ;每克酵母湿菌体进料负荷为 0 2mmol d ;成功运行 2 5d ;转化率保持在 80 %25以上 ;D 扁桃酸甲酯ee值达 95 %25以上 .
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。
The main constituents in the essential oil from Gaultheria yunnanensis. are salicylic acid methyl ester (74.18%), hexadecane (1.59%), pentadecane (1.38%), 2-hydroxy4-methoxyacetoph-enone (1.09%). 透骨香挥发油主要化学成分是水杨酸甲酯(74.;18%25)、十六烷(1
Preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(LDH/LDO).The yield was over 98.5%and the operation simple. 采用新型固体碱催化剂LDH/LDO进行菜油酯交换反应制备脂肪酸甲酯，产率达98.;5%25以上。
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。
The status on the research development and application of fatty acid methyl ester sulfonate (MES) is reviewed and prospected with some important technical problems in production being discussed. 本文简要回顾了国内外对脂肪酸甲酯磺酸盐（MES）的研究、开发和应用状况，讨论了MES生产过程中的几个重要问题，并对MES的发展前景进行了展望。
Fatty acid methyl ester and glycerol (single or double) ester,the fatliquoring intermediates are prepared through ester_exchange reacton which is catalysised by anion layer and pillar materials. 采用阴离子层柱材料作催化剂，以菜油为原料进行酯交换反应，制得脂肪酸甲酯、甘油单双酯，作为皮革加脂剂合成的中间体。