Conclusion 7 spots were clearly distinguishable on the TLC plate.

通过薄层色谱试验表明,茜草藤的正丁醇萃取液在硅胶板上可分离出清晰的7个斑点.

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Under dimethylbenzene : ethyl acetate : n - buty alcohol 2∶3∶3 , propertions are better of the adhesive.

当二甲苯、酸乙酯和正丁醇的比例为2∶∶时, 制得胶粘剂的性能较好.

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Synthesis of dibutyl sebacate with phosphorictungs acid as catalyst was studied.

以磷钨酸为催化剂,用癸二酸、正丁醇为原料制备癸二酸二丁酯.

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The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and alcohol.

采用强酸性阳离子交换树脂催化邻苯二甲酸酐与正丁醇的酯化反应.

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The purified rice amylose and amylopectins were obtained by n - butanol recrystallization method.

采用正丁醇反复结晶法分离得到的直链淀粉和支链淀粉有较高的纯度.

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

以正丁醇 - 盐酸为铁盐催化法的反应介质,测定了葡萄籽超微粉中的原花青素含量.

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Butyl cinnamate was synthesized from cinnamic acid and butyl alcohol using tungstosilicic acid as catalyst.

以钨硅杂多酸为催化剂,通过肉桂酸和正丁醇反应合成肉桂酸正丁酯.

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A method of synthesis of n - butyl acetate catalyzed by zinc sulfate has been developed.

用硫酸锌催化,乙酸和正丁醇合成乙酸正丁酯.

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In the presence of catalyst of rare earth compound, lactic acid reacts with n - butyl alcoholbutyl lactate.

以稀土化合物为催化剂, 实现了乳酸与正丁醇反应合成乳酸正丁酯.

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On account of its strong latent power for nitrocrllulose, NBA is extensively used in lacquer thinners.

正丁醇对硝化纤维素具有十分有效之溶解力, 故被普遍采用为清漆之稀释剂.

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Objective : To study the anti - inflammatory and analgesic activities of ipomoea pescaprae ( IP ) - butanol extract andanti - inflammatory mechanism.

目的: 研究马鞍藤 ( IP ) 正丁醇提取物 抗炎 镇痛作用及机制.

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Synthesis of dibutyl sebacate from decanedioic acid and butanol by a self - made catalyst.

采用 自制 的催化剂,运用条件实验法,以癸二酸、正丁醇为原料直接酯化合成癸二酸二丁酯.

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The added n - butanol facilitates the formation of F 127 micelles and makes the CMT of F 127 solutions decrease.

正丁醇的加入有利于F127单体分子聚集形成胶束,使得F127溶液的CMT降低.

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The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and butyl alcohol.

催化邻苯二甲酸酐与正丁醇的酯化反应.

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Solvents of dissolution PS plastic foam are mix solvents of dimethylbenzene, ethyl acetate and butyl alcohol.

结果表明:溶解聚苯乙烯的理想溶剂为二甲苯 、 酸乙酯和正丁醇的混合溶剂.

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