• 本文研究方法、数据,可以工业分离混合伯醇提供支持。

    The result and method of the issue can be used to surppport the industrial application.

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  • 试验表明HZ型固体饱和直链羧酸直接酯化特效催化剂

    Experiment results indicated that HZ-type solid acids were ideal catalysts for direct esterification of straight chain carboxylic acids and primary alcohols.

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  • 发明涉及细胞催化剂分离辅助下从生产方法

    The invention relates to a method for producing primary alcohols made of aldehydes with the aid of whole cell catalysts or isolated enzymes.

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  • 在有无硫酸铁水合物催化剂情况下,分别测定2-氯乙酸酯化反应速率常数

    The rate constants of esterification of 2-chloroacetic acid with 6 species of the primary alcohols were determined in the presence of and in the absence of catalyst, the hydrate of ferric sulphate.

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  • 特点哈拉尔咖啡的特性优质阿拉风味甘香略带葡萄酒适宜强烈质感带有奇妙的巧克力余味

    Features: Coffee is characterized by Harald; quality Arab flavor, Ganxiang, slightly sour with wine fragrance, alcohol degree of fit, strong pure texture, with wonderful dark chocolate finish.

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  • 建立高效液相色谱测定麦糟发酵液中的阿拉糖、阿拉及木糖分析方法

    Method for analysis of arabinose, arabitol and xylitol in the fermentation Liquors on Brewery's spent grain by HPLC is described.

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  • 某些特殊型表面活性剂阿拉树胶聚乙烯混合溶液存在下,离子缔合物溶于,并伴有灵敏颜色变化

    In the presence of some special surfactants such as Arabic gum, polyvinyl alcohol or their mixture, the associated ion is soluble in water, accompanied with very sensitive color change.

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  • 提出氯酸催化剂,分析乙酸乙酯为介质乙酰测定实验条件,实现了对经典方法改进,简化了操作程。

    The experimental condition of acetylating method for determining priminary alcohol and secondary alcohol catalyzed by perchloric acid in the medium of analytically pure ethylacetate is proposed.

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  • 不能发酵葡萄糖果糖七叶灵、苦杏仁苷、阿拉糖、乳糖甘露糖核糖蔗糖木糖、鼠李糖、甘露山梨等。不能水解明胶

    They can't ferment glucose, fructose, esculin, amygdalin, arabinose, lactose, mannose, ribose, sucrose, xylose, raffinose, mannitol, inositol, sorbitol and gelatin.

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  • 建立高效液相色谱测定麦糟发酵液中的阿拉糖、阿拉及木糖分析方法

    A Method for analysis of arabinose, arabitol and xylitol in the fermentation Liquors on Brewery's spent grain by HPLC is described.

    youdao

  • 建立高效液相色谱测定麦糟发酵液中的阿拉糖、阿拉及木糖分析方法

    A Method for analysis of arabinose, arabitol and xylitol in the fermentation Liquors on Brewery's spent grain by HPLC is described.

    youdao

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