• 方法适合合成尼泊金

    The method was also propitious to synthesize amyl p -hydroxybenzoate.

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  • 硫酸合成丁酸戊酯的良好催化剂

    Ceric sulfate is an excellent catalyst for synthesis of amyl butyrate.

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  • 采用硫酸氢钠为催化剂合成

    Study on catalytic synthesis of amyl butyrate with solid acid;

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  • 乙酸甲基

    Acetic acid methyl amyl ester.

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  • 上述条件下苯甲酸戊酯产率83 3%。

    Under this conditions, the yield of iso amyl benzoate reached 83.3%.

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  • 综述了国内外酸异戊酯合成研究进展情况。

    The progresses in the synthesis study of isoamyl isovalerate at home and abroad were reviewed.

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  • 首次利用维生素C催化乳酸合成了乳酸异戊酯

    Vitamin C as catalyst was first used in the synthesis of isoamyl lactate from lactic acid and isoamyl alcohol.

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  • 采用催化反应精馏技术,研究了合成乙酸工艺

    The new process of synthesis iso-amyl acetate by catalytic reaction rectification was studied.

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  • 目的建立头孢特仑新有关物质检查HPLC方法

    Objective: To establish a method for testing the related substances in cefteram pivoxil by HPLC.

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  • 目的研究硅胶固载硫酸合成工艺中的催化性能。

    Objective To study the catalytic activity of gallium sulfate supported on silica gel in the synthesis of amyl hexanoate.

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  • 用自燃点法硝酸硝酸异辛性能进行了试验研究

    Experimental investigation of performance of amyl nitrate and isooctyl nitrate is made.

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  • 研究了氯化锡催化合成己酸异的反应。

    Isoamyl hexanoate could be synthesized using stannic chloride from caproic acid and isoamyl alcohol.

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  • 采用自燃点法硝酸硝酸异辛性能进行了试验研究。

    The autoignition temperature method was adopted in this paper to investigate the performance of amyl nitrate and isooctyl nitrate.

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  • 论文固体超强酸催化剂丙酸异合成进行了研究。

    In this paper, with solid superacid as catalyst for isoamyl propionate synthesis was studied.

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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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  • 本文首次研究醋酸浸渍树脂吸附分离螺旋霉素的工艺条件

    Some technological conditions for the separation of spiramycin, using amyl acetate impregnated resin, were studied.

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  • 采用固体强酸代替无机催化剂催化合成了丙酸戊酯

    Isoamyl propionate was synthesized by using solid iron system super strong acid as catalyzer instead of inorganic acid in present research.

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  • 一种带共沸精馏分水新型反应实验装置用于合成乙酸

    A new esterification equipment with a water separator by azeotropic rectification was used to the synthetic reaction of isopentyl acetate.

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  • 乙酸和异原料,采用硅胶载体催化剂合成乙酸异戊酯

    The synthesis of i amyl acetate from i amylic alcohol and acetic acid using silica gel carrier acid as catalyst is reported.

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  • 首次磷酸铝分子筛催化反应合成了酸正

    The amyl pentanoate was synthesized by the esterification reaction of n-pentanol with pentanoic acid using aluminophosphate molecular sieve as a catalyst.

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  • 依照国外有关卫生标准建立车间空气醋酸戊酯相色谱测定方法

    According to the abroad health standards, a gas chromatography measurement method of the isoamyl acetate has been set up in the workshop air.

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  • 以自制的硅胶固载硫酸催化剂,正丁酸和异醇为原料合成了丁酸异戊酯

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

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  • 通过实验结果分析讨论影响结晶三氯化铝催化合成乙酸反应因素

    Through the experiments and result analysis, this paper discusses the factors influencing the catalytic synthesis of isoamyl acetate with the crystal aluminum chloride as the catalyst.

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  • 工作面要经过49个挥发挥发性的化学物质的测试,包括醋酸氯化锌

    A list of 49 volatile and non-volatile chemicals ranging from Amyl Acetate to Zinc Chloride;

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  • 树脂固载化三氯化铁高分子催化剂合成醋酸,对催化剂进行了红外光谱表征。

    Isoamyl acetate was synthesized by urushiol resin immobilized ferric trichloride catalyst in this paper.

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  • 利用微波辐射技术,以硫酸催化剂快速合成了丙酸异考察了影响反应因素

    By Using the technique of microwave radiation, under the catalyst of sodium hydrogen sulfate, isoamyl propionate can be synthesized fast, the factors of the influencing reaction were investigated.

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

    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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  • 本文采用固体催化剂研究了乙酸戊酯合成精制方法,并给出适宜实验操作条件.。

    The synthesis and refinement method of isoamyl acetate with solid acid catalyst are studied. The proper operating conditions of the experiment are given.

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  • 结论试验所建立头孢特测定方法准确灵敏快速适用于头孢特仑新戊酯人体药动学研究

    CONCLUSION The established method is sensitive, fast and accurate, and can be successfully used for the determination of cefteram in human plasma and for cefteram pivoxil pharmacokinetic studies.

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  • 结论试验所建立头孢特测定方法准确灵敏快速适用于头孢特仑新戊酯人体药动学研究

    CONCLUSION The established method is sensitive, fast and accurate, and can be successfully used for the determination of cefteram in human plasma and for cefteram pivoxil pharmacokinetic studies.

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