• 采用两种酯化方法制备了丙烯酸十八酯,研究影响酯化反应因素

    The factors effecting the melt direct esterification and normal solvent direct esterification of acrylic acid and octadecyl alcohol were investigated.

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  • 发明涉及合物合成方法用途

    The present invention relates to lactone compound, synthesis method and application.

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  • 方法肉桂为原料,酯化氨化缩合-环合而得

    METHODS Cilnidipine was synthesized from cinnamyl alcohol by esterification, feminization and condensation - cyclization.

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  • 盐酸水解—硫酸钡重量法测定硫酸酯化多糖SPS硫酸基含量进行了方法学考察。

    The determination of sulfate radical content in sulfated polysaccharides(SPS) by gravimetric analysis of hydrochloric acid hydrolysis and barium sulfate precipation was investigated methodologically.

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  • 方法:四种药物通过酯化酰胺反应由不同连接合成酰胺类混合互联体前药。

    Methods: Amide and mix-type bonds compounds were synthesized by conjugated the amino groups and acid groups with hydroxyl or acid links.

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  • 氟内合物合成方法研究进展进行综述

    This article reviews the progress in the synthetic methods of fluorine-containing lactones.

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  • 方法石油醚提取脂肪,采用毛细管相色谱-联用技术对其进行分析鉴定。

    Method The fatty oil from Carum carvi L was extracted by ligarine petrum and analyzed by capillary gas chromatograph mass spectrometer(GC-MS) method.

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  • 氟内合物合成方法研究进展进行综述

    This article reviews the progress in the study on synthetic method of fluorine-containing lactones.

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  • 本文探讨了一缩二乙醇油酸酯化反应合成原理及其工艺操作方法

    The synthetic principle and the process method of diglycol dioleate were discussed in this paper.

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  • 本文概率统计动力学方法推导了多元醇的丙烯酸酯化分布函数及其计算公式

    By using probability statistics and dynamics, this paper derived the esterification degree distribution function and its calculation formula for polyol-acrylate reaction.

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  • 羧酸合物液晶化合物,液晶组合物液晶元件和光调制方法

    Carboxylic acid ester compound, liquid crystal compound, liquid crystal composition, liquid crystal element and light modulation method.

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  • 化学方法包括酸洗法、皂化法酰化法酯化

    The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.

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  • HA具有羟基羧基乙酰胺基等官能团通过交联酯化接枝分子修饰复合方法进行改性

    Ha has functional groups such as hydroxyl, carboxyl and N-acetyl, therefore, it can be modified by cross-linking, esterification, graft, molecule modification and composition.

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  • 研究氮气保护下采用外加转移催化剂酯化磺化合成磺琥珀酸双十八油酯磺酸方法

    A new method to synthesize sodium dioleyl sulfosuccinate by esterification and sulfonation without adding any extra phase catalyst in nitrogen atmosphere was developed.

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  • 同时,摸索出黄水中各种酯化因素最佳参数,黄浆水酯化生产中的应用方法等。

    Optimal parameters for various factors in yellows'eriflux and methods of use of esterized seriflux in practical production were also explored.

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  • 报导了超声酯化反应的研究结果。研究发现超声辐射下进行酯化反应。方法简单条件温和产率一种值得注意的新方法

    This paper studies ultrasonic esterification, it was found that, esterification with ultrasonic ware has method simplification, condition tempered and yield high, which is a significant way.

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  • 研究甘油月桂酸为原料,硼酸保护羟基进行酯化反应合成甘油月桂酯的方法

    A new synthetic method glyceryl monolaurate(GML) from glycerin and lauric acid via protected hydroxy groups by boric acid was studied.

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  • 豆油脚原料采用酯化反应超临界CO2萃取方法进行天然ve提取研究

    Taking the soybean oil dreg as the raw material, using the method of esterification reaction and supercritical CO2 extracting, we carry through the research of extraction of natural VE.

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  • 方法咖啡为起始原料经过化、酯化水解反应进行合成

    Methods One compound was synthesized by using caffeic acid as raw materials through the reaction of acylation, esterification, hydrolysis, and so on.

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  • 分析ptaeg酯化反应过程DEG成因。控制DEG含量提出相应的方法

    The article analyses how DEG is produced in esterification process of PTA and EG, and gives a method to control the content of DEG.

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  • 采用二次回归旋转正交组合实验设计方法探讨魔芋葡甘聚糖凝胶硫酸酯化修饰最优化工艺条件

    The optimal technical conditions for sulfated modification of konjac glucomannan gel beads were (investigated) by the quadratic regression rotatable orthogonal design.

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  • 方法优点是:反应速度快酯化效率高大大提高产品纯度

    The synthesis method has the advantages of rapid reaction speed, high esterification efficiency and greatly improving the purity of the product.

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  • 酯化方法包括法、羧酸法、交换法。

    The synthetic methods of ester include acyl chloride reaction, carboxylic acid reaction, and inter-esterification reaction.

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  • 介绍开发植物油脂酯化生产生物柴油工艺方法

    The technology of production of bio diesel fuel that is new developed, in Europe and obtained from vegetable oil by transesterification is described in this paper.

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  • 方法索氏提取法对脂肪进行提取,采用不同处理后,采用相色谱-质谱联用技术分离鉴定组分和含量。

    MethodsThe fatty acids were extracted by Soxlet extraction, etherified by different methods and its components were analyzed by GC/MS.

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  • 使用方法作为二元醇制备方法得到纯度的二元醇合物

    By using the method as the preparation method of the dibasic alcohol ester, the high-purity dibasic alcohol ester compound can be obtained.

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  • 方法葡萄糖通过缩合氧化、去保护、酯化反应制备水杨酸葡萄糖

    Methods: Salicylic acid glucose esters were synthesized from glucose by condensation, oxidization, deprotection and esterification.

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  • 酯化反应中,催化剂用量原料配比,反应时间酯化反应可膨胀石墨制备方法影响进行了讨论。

    In esterification reaction, the influences of catalyst amount, materials ratio, reaction time, prepared method of the expandable graphite on esterification reaction were discussed.

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  • 酯化酯化目前研究最多、最具优势生物柴油制备方法根据原料特性选择合适催化剂是该法成功的重要保证。

    Esterification and transesterification are the most common methods of producing biodiesel. It is important to select an appropriate catalyst based on the properties of raw oil.

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  • 发明公开了种含氮含硫硼酸合物及其制备方法

    The invention discloses a nitrogen-sulfur-containing boric acid ester compound and a method for preparing the same.

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