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- The bis(S)-Naproxen methyl ester is(+)-enantiomer. 对其代谢过程作了初步探讨。
- The metabolism of bis(S)-Naproxen methyl ester was discussed initially. 结论合成的双(S)-萘普生甲酯是手性化合物。
- OBJECTIVE Bis(S)-Naproxen methyl ester was designed and synthesized. 目的设计合成双(S)-萘普生甲酯。
- The process of preparing monoglycerides by alcoholysis of fatty acid methyl esters was investigated. 考察了脂肪酸甲酯醇解法制备单甘酯。
- Only N-phosphoryl serine and threonine methyl esters were catalyzed by imidazole, A new type of pentacoordinate phosphorus intermediate was proposed. 反应机理推测为丝、苏氨酸的侧链基团羟基在咪唑的存在下亲核进攻磷原子形成五配位中间体。
- The reaction tolerates sensitive moieties (methyl esters or nitriles), ortho substitution, and heterocycles (i.e., 2-furan). 反应灵敏萘容忍(甲基酯或腈);替代邻、杂环(即2-呋喃).
- Recent progress with respect to the hydrogenation of fatty acid methyl esters to fatty alcohols under moderate pressure was reviewed. 综述了脂肪酸甲酯中压加氢制天然脂肪醇工艺的国内外研究进展;
- Under the optimum isomerization conditions,mass fraction of conjugated linoleic acid in isomerized cottonseed oil methyl esters was 31. 研究了棉油甲酯在碘的催化下发生异构化反应的规律,运用气质联用仪和紫外光谱对异构化产物的成分进行了分析。
- Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means . 研究了脂肪油的衍生化、三氟化硼、硫酸3种不同方法对脂肪油的皂化、甲酯化效果,并用GC/MS法对柞蚕中脂肪酸的成分进行了鉴定和分析。
- Rapeseed biodiesel (RME) was synthesized with the catalyst of alkaline.The total fatty acid methyl esters in RME were 98% by GC analysis. 摘要采用碱催化甲醇转酯化法制备菜籽生物柴油(RME),通过气相色谱法测定样品中脂肪酸甲酯的分布与含量,样品中脂肪酸甲酯总量达98%25,符合欧盟生物柴油质量标准要求。
- Skin Nutrients: Benzocaine, Glycerin, Glycolic acid, Hydrocortisone, Linolin, Lidocaine, Salicylic methyl ester, etc. 皮肤营养品:苯坐卡因,甘油,乙醇酸,氢化可的松,亚油精,利多卡因,水杨酸甲酯等
- The results showed that the solubility of Jatropha curcas L.seed oil in methanol increased at the presence of methyl esters,which could enhance mass transfer. 结果表明,脂肪酸甲酯的存在可有效提高麻疯树籽油在甲醇中的溶解度,因此可在一定程度上改善传质效果;
- The results showed that the solubility of Jatropha curcas L. seed oil in methanol increased at the presence of methyl esters, which could enhance mass transfer. 结果表明,脂肪酸甲酯的存在可有效提高麻疯树籽油在甲醇中的溶解度,因此可在一定程度上改善传质效果;
- 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。
- A series terpolymer of DMV were synthesized from methyl ester 18,methyl ethyl acrylate and vinyl acetate. 以甲基丙烯酸十八酯、甲基丙烯酸乙酯、醋酸乙烯酯为原料合成了一系列三元聚合物的柴油流动性改进剂(DMV)。
- PME,which is belong to saponifcational enzyme,can randomly hydrolyze the methyl ester bond of pectin. 果胶酯酶(PME)或称果胶甲基酯酶,它是果胶酶系的一种,能从果胶中脱去甲氧基,生成果胶酸,属于皂化酶。
- N - octylic acid - N - (quinazolin - 4 - ketone) methyl ester is a sulphur - free and phosphorus - free additive. 正辛酸-N-(喹唑啉-4-酮)甲酯是一种无硫、无磷的添加剂。
- Methyl ester and tetrahydrofuran(THF)both made methanol dissolve in cottonseed oil easier. 结果表明,生成的甲酯和加入的四氢呋喃都可促使甲醇和棉籽油互溶,使反应均相进行。
- Methyl ester and tetrahydrofuran (THF) both made methanol dissolve in cottonseed oil easier. 结果表明,生成的甲酯和加入的四氢呋喃都可促使甲醇和棉籽油互溶,使反应均相进行。