• 试探了一种反应介质合成丁烯方法

    A new method for the synthesis of benzylidene acetone with near critical water as reaction media was developed.

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  • 综述了离子液体作为反应介质各类有机反应中的应用

    The application of ionic liquids as reaction media in organic reactions were reviewed.

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  • 反应介质工程底物分子工程、分子修饰定向进化

    This review emphasizes some important aspects for the control of lipase enantioselectivity: medium engineering, substrate engineering, modification of enzyme and directed evolution.

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  • 离子液体作为一种环保反应介质已经受到广泛关注

    Recently, much attention has been focused on the use of ionic liquids as environmentally benign reaction media.

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  • 乙醇反应介质采用溶解沉淀法制备脱乙酰壳聚糖

    A dissolving precipitated method has been developed for the preparation of chitosan having a high degree of deacetylation in the presence of ethyl alcohol.

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  • 尽量避免酸碱介质交替使用(中和反应介质),以免缩短寿命

    Should try to avoid acid-base media used interchangeably (except in and reaction medium) in order to avoid shortening life expectancy.

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  • 反应介质性质有机大分子添加剂的诱导作用产生一定影响

    Properties of the reaction medium may be able to affect the function of organic macromolecular additives to some extent.

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  • 因此DMP氧化聚合使用作为反应介质一个很重要的进展。

    Therefore, the oxidative polymerization of DMP to form PPO using water as the reaction medium would be of significance.

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  • 选择环境友好洁净”的反应介质绿色化学研究重要组成部分

    Choosing an environmentally benignant cleaning reaction solvent is an important part of Green Chemistry research.

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  • 讨论了不同反应介质催化剂反应温度反应时间产物收率影响

    The effects of solvent, catalyst, reaction time and reaction temperature on the yield of the product were investigated, and the synthetic reaction conditions were optimized.

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  • 综述了离子液体作为潜在反应介质应用脂肪酶催化高产生物柴油的前景。

    The application of ionic liquids as reaction medium for lipase-catalyzed biodiesel synthesis with high yield would be a highly potential possibility.

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  • 异戊酰- L -肉碱催化合成需要选择疏水极性的溶剂作为反应介质

    To improve significantly the biosynthesis of isovaleryl-L-carnitine catalyzed by lipase needs to select an efficient and suitable reaction medium that is not only polar but also hydrophobic.

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  • 以正丁醇-盐酸为铁盐催化法的反应介质测定了葡萄超微中的花青素含量

    The proanthocyanidin content in the ultrafine powder of grape seed was determined inn-butanol-HCl reaction medium.

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  • 无须外加反应介质,从而避免其它杂质引入而且操作过程简单生产成本

    Adding no reaction medium avoids the introduction of the other impurity, and the operation process is simple and low in cost.

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  • 发明涉及一种丙烯酸及其构成反应介质中的可控自由基聚合反应方法

    The invention relates to a method for the controlled radical polymerisation of acrylic acid and the salts thereof in a reaction medium consisting only of water.

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  • 热合成刚玉反应时,合适化剂引入改变反应介质酸碱度可加快反应速度

    The introduction of proper mineralizers into the hydrothermal reaction process can change the alkalinity acidity of reaction media and speed up the reaction process.

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  • 离子液体室温下表现为液体离子化合物,近年来开发成为一种新型绿色化学反应介质

    Ionic liquid is a kind of liquid ionic compounds at room temperature. It was developed as a new green reaction medium.

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  • 反应介质稳定与否,直接影响反应结晶好坏,进而影响过滤操作技术经济指标

    The steadiness of reaction takes direct influence on the cry stalization of gypsum, and then on a few technical and economic indices as filtration and P recovery rate.

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  • 发明的方法操作方便原料廉价廉价的聚合反应介质使碳材料碳化原位复合

    The method has simple operation and cheap raw materials and USES cheap water as a polymerization medium to composite carbon materials and the tungsten carbide in situ.

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  • 反应介质催化元素为线索,对双氧水为氧源烯烃环氧反应最新研究进展进行综述。

    Based on the reaction medium and the elements in the catalysts, the recent progresses of epoxidation of alkenes with hydrogen peroxide have been reviewed.

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  • 实验结果显示水性溶剂对于酵素反应活性镜像选择性较大影响异辛烷最好反应介质

    The results show that the hydrophobicity of reaction medium has great impact on the activity and enantioselectivity of lipases, and isooctane was the best reaction medium.

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  • 作为一种环境友好化学工艺过程超(近)临界有机合成反应介质越来越受到人们的关注

    As an environmentally benign chemical process, using near-critical or supercritical water as synthetic organic reaction medium has received increased attention.

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  • 介绍了甲醛为原料,反应介质催化进行交叉康尼扎罗反应制备三羟甲基乙烷方法

    A method of preparing trimethylolethane from formaldehyde and propionic aldehyde in water was introduced in the presence of the base through cross Cannizzero reaction.

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  • 后者乙醇反应介质85%(质量分数)水合反应生成邻氯苯甲酰肼,反应总产37.8%。

    The obtained product was further reacted with 85%-hydrazine hydrate in ethanol to form o-chlorobenzoyl hydrazine. The total yield was 37.8%.

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  • 实验利用粉煤灰垃圾废物材料作为反应屏障反应介质用于修复渗滤液污染地下水环境。

    Fly ash and mineralized refuse as two kinds of waste were used in reactive barrier in order to treat polluted groundwater which was contaminated by leachate.

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  • 结果表明,冷却介质流量越大反应介质温度上升缓慢,达到温度平衡所需时间,温度增量越小

    The bigger the coolant flow is, the more slowly the reactant temperature rises and the shorter the temperature balance time is and the smaller the temperature increment is.

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  • 结果表明,冷却介质流量越大反应介质温度上升缓慢,达到温度平衡所需时间,温度增量越小

    The bigger the coolant flow is, the more slowly the reactant temperature rises and the shorter the temperature balance time is and the smaller the temperature increment is.

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