• 相色谱分析结果表明,该降解醋酸丁酯生成丁醇异丁酸

    The analysis results of gas chromatography showed that the isolates could metabolize isobutyl acetate to produce iso-butanol and butyric acid.

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  • 在大多数标本中含有乙酸丁酸异丁酸酸、乳酸琥珀酸,细菌培养结果基本相符

    Most of the specimens containing acetic acid, propionic acid, butyric acid, isobutyric acid, valeric acid, lactic acid and succinic acid which were accorded with the result of bacteriologic study.

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  • 研究了氯化铁催化合成甲酸、乙酸戊酯、酯、丁酸戊酯、异丁酸戊酯戊酸戊酯。

    Synthesis of isoamyl formate, isoamyl acetate, isoamyl propionate, isoamyl butyrate, isoamyl isobutyrate and isoamyl isovalerate by catalysis of hydrated ferric chloride are reported.

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  • 这些试验表明普洱茶方面的功效差于专门用于治疗高血脂药物——氯苯异丁酸乙酯,而且没有这种药物副作用

    These tests showed pu-erh performed at least as well as clofibrate, the most advanced medicine for the purpose, without the drug's side effects.

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  • 本文介绍了丁辛醇装置副产物丁醛的缩合产品2,2,4-三甲基-1,3 -戊二醇单异丁酸酯的性质用途合成分离工艺条件

    The properties, applications, and process conditions for synthesis and separation of 2, 2, 4 -trimethyl - 1, 3 - pentanediol isobutyrate are introduced.

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  • 丁酸醇为原料,复合固体催化剂合成丁酸戊酯。

    Isoamyl butyrate was synthesized from butyric acid and isoamyl catalyzed by composite solid acid as the catalyst.

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  • 结果表明2-甲基丁酸是艰难特征性产物,以前曾其他作者错误地鉴定

    Results showed 2-methyl butyric acid was the characteristic product of C. difficile and was wrong identified as isovaleric acid by others.

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  • 根霉PW 358经固态发酵生产脂肪酶,以此酶催化剂,非水介质合成丁酸戊酯

    The Rhizopus sp. PW358 lipase catalyzed synthesis of isoamyl valerate in organic solvents was studied, and the optimum condition for the esterification was acquired.

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  • 合成甲烷磺酸,研究了其催化丁酸酯化反应

    Copper methanesulfonate was synthesized and used as a catalyst in the esterification of n-butyric acid with isoamyl alcohol.

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  • 以自制的硅胶固载硫酸催化剂,正丁酸戊醇为原料合成丁酸戊酯。

    Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst.

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  • 硫酸催化剂,正丁酸丁醇为原料合成了丁酸丁酯。

    Isobutyl butyrate was synthesized by using gallium sulphate as the catalyst.

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  • 硫酸催化剂,正丁酸丁醇为原料合成了丁酸丁酯。

    Isobutyl butyrate was synthesized by using gallium sulphate as the catalyst.

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