the contents of the unreacted fatty acid methyl ester in different fatty acid methyl ester ethoxylates (mee) were determined by gas chromatography.

采用气相色谱法（ gc）测定了不同脂肪酸甲酯乙氧基化物（mee）中未反应的脂肪酸甲酯的质量分数。

among those, 2,4-decadienal, hexadecanoic acid ethyl ester and hexadecanoic acid methyl ester were found from the oil in ziziphus jujuba mill.

其中2，4-癸二烯醛、棕榈酸甲酯、棕榈酸乙酯为首次从酸枣仁油中发现；

a stereoselective hydrolysis of the racemic naproxen methyl ester by immobilized lipase from candida rugosa in a low aqueous organic biphase system was studied.

研究了微水有机溶剂两相体系中固定化脂肪酶催化的萘普生甲酯的立体选择性水解反应。

methods: before gastric mucosal lesion as made in rats by pure alcohol, omeprazole, nω nitro l arginine methyl ester (l name) was injected into the vein.

方法：在乙醇诱导大鼠胃粘膜损伤前，预先给予奥美拉唑、l硝基精氨酸甲酯（lname）静脉注射。

objective: to prepare l-dopa methyl ester hydrochloride eye ointment and establish a method for its quality control.

目的：制备盐酸左旋多巴甲酯眼膏并建立其质量控制方法。

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。

a new process has been developed to synthesize dimethoxyacetic acid methyl ester from 50% solution of glyoxylic acid and methyl orthoformate through catalyzing by concentrated sulfuric acid.

以质量分数 50 %乙醛酸水溶液和原甲酸三甲酯为主要原料 ，经浓硫酸催化 ，合成二甲氧基乙酸甲酯。

the elements contained in the production of the biodiesel are complex, the total contents of methyl ester come to 98.59%, and aromatic hydrocarbon is not contained.

所制备的生物柴油中成分较为复杂，各种脂肪酸甲酯的总含量达到98.59%，且不含芳香烃。

preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(ldh/ldo).

采用新型固体堿催化剂ldh/ldo进行菜油酯交换反应制备脂肪酸甲酯，产率达98.5%以上。

rapeseed oil fatty acid monoethanolamide was prepared by reaction of rapeseed oil fatty acid methyl ester and monoethanolamine.

对以菜籽油脂肪酸甲酯和单乙醇胺为原料合成菜籽油脂肪酸单乙醇酰胺进行了研究。

the isomerization of methyl ester of cottonseed oil by the catalyst iodine was investigated.

研究了棉油甲酯在碘的催化下发生异构化反应的规律。

however, commercializing the ultrasonic biodiesel technology requires a series of processes such as feedstock pre-processing, methanol recovery, methyl ester cleaning and methyl ester desiccation.

但在工业化应用方面仍需要原料预处理、甲醇回收、甲酯洗涤以及甲酯干燥等工艺过程。

biodiesel is long-chain fatty-acid methyl ester in essence, which can be produced by transesterification in industry.

生物柴油本质上是长链脂肪酸甲酯，工业上多通过酯交换反应进行生产。

an improved process, one step process is presented for the synthesis of cottonseed fatty acid diethanolamide from cottonseed fatty acid methyl ester condensed with diethanolamine.

提出一步法由棉籽油酸甲酯与二乙醇胺缩合高选择性地合成棉籽油酸二乙醇酰胺的工艺。

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.

采用新型固体堿催化剂ldh/ldo进行菜油酯交换反应制备脂肪酸甲酯，产率达98.5%以上。

the development of methyl ester sulfonates was summarized.

对甲酯磺酸盐的发展进行了概述。

the fatty acid methyl ester content model produced by an enzymatic reaction was presented by a response surface methodology (rsm) on the basis of molecular distillation and single factor experiments.

在分子蒸馏预处理和单因素试验的基础上，采用响应曲面法建立脂肪酶催化反应生成的脂肪酸甲酯含量的数学模型。

the immobilized enzyme from bacillis megaterium gave a better catalytic properties and the higher conversion was obtained using phenylglycine methyl ester (pgme) as acyl donor.

来源于巨大芽孢桿菌的固定化酶催化头孢克罗合成的能力较好，以苯甘氨酸甲酯（pgme）为底物较酰氨的效果好。

the two temary phase diagram comprising soybean oil, methanol and ether were obtained at 25℃ , 60℃ . methyl ester was treated as solvent to mixture fuel of ethanol(methanol)and diesel.

在25℃和60℃（酯交换反应温度）研究了大豆油和甲醇与醚的2个三元相图，以及对大豆油甲酯作为醇与柴油混合燃料的促溶剂情况作了研究。

the structures of etodolac and its methyl ester were the same as those reported in literature.

所得依托度酸甲酯和依托度酸物性与文献报道一致。