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By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.

本文报道合成抗溃疡药丙谷胺的改进工艺。

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The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.

介绍对醋酸、醋中的有机废水采用厌氧好氧处理方法的试验。

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In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.

本文以1氨基蒽为原料,酸作溶剂,合成了1酰氨基蒽

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Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.

首先,以甲苯为原料,在催剂三氯铝存在下合成对甲基苯酮,并确定甲苯,三氯铝的最佳摩尔比为4: 1: 2,收率为86.2%。

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neanic, neanimorphic, neanthropic, neap, neap tide, neaped, neapite, Neaples, Neapolitan, near,

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3G, 401(K), a,

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