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- Keywords oscillatory flow reactor;flow pattern models;alkaline hydrolysis of ethyl acetate; 振荡流反应器;流动模型;乙酸乙酯水解反应;
- hydrolysis of ethyl acetate 乙酸乙酯水解
- Methods:Desloratadine is synthesized by KOH hydrolysis of loratadine and refined by recrestallization in ethyl acetate. 方法:以氯雷他定为原料,经KOH水解反应,用乙酸乙酯重结晶制得地洛他定。
- Objective To investigate the antiarrhythmic effect of ethyl acetate extract of Radix Ginger(EAERG). 目的探讨干姜醋酸乙酯提取物的抗心律失常作用。
- In the two eluants, the ratio of ethyl acetate or acetone to benzene depended on the elution order. 在两种洗脱剂系统中,乙酸乙酯或丙酮对苯的比例根据试验的洗脱顺序而定。
- Astringent.The characteristic fiavour of wines which produces an unpleasant chemical stimulus in the mouth.due to an excessive level of ethyl acetate. 涩的，收敛性的：葡萄酒中乙酸乙酯含量过高时的典型特征，给口腔带来一种不适的化学刺激感。
- The extracts were then treated with a cartridge packed with active carbon and 10 mL eluant of ethyl acetate and n-hexane(6-1). 混合溶剂提取待测目标物、活性炭层析柱净化;用10.;0 mL乙酸乙酯-正己烷(6-1;by vol
- On the basis of the previous research , high yield of ethyl acetate is obtained from fermentation of wine tailings with immobilized yeast. 在上述研究的基础上，应用固定化酵母利用酒厂酒尾产酯，获得了高产乙酸乙酯的结果。
- The optimum condition for synthesis of ethyl acetate catalyzed by expansible graphite was investigated through orthogonal test. 摘要通过正交实验研究了可膨胀石墨的催化合成乙酸乙酯的最佳条件。
- Abstract Objective:To increase the recovery rate of ethyl acetate after extracting tripterygium wifordii extractum and to decrease product cost. 摘要目的:提高雷公藤浸膏提取后的醋酸乙酯回收量,降低生产成本。
- Objective:To increase the recovery rate of ethyl acetate after extracting tripterygium wifordii extractum and to decrease product cost. 目的:提高雷公藤浸膏提取后的醋酸乙酯回收量,降低生产成本。
- For instance,the main body fl avoring components in Fen-flavor liquors were ethyl acetate and ethyl lactate b ut just slight content of ethyl caproate. 例如汾酒中以乙酸乙酯和乳酸乙酯为主体香,而己酸乙酯含量甚微。汾酒中的乙酸乙酯含量在所有名白酒中是最高的。
- The quantitative analysis of aldicarb granule by HPLC with the mixture of ethyl acetate and hexane as mobile phase was developed. 本文报道了用正相高效液相色谱法，用乙酸乙酯、正己烷混合溶剂为流动相，采用外标法，测定涕灭威颗粒剂中涕灭威的含量。
- Synthesis of ethyl lactate is studied by using imidazole ionic liquid as catalyst and ethyl acetate as water-stripping agent. 摘要 以酸性咪唑离子液体为催化剂，乙酸乙酯为带水剂研究了乳酸乙酯的合成。
- And the inhibitory intensity was shown as followed: parts of ethyl acetate> parts of methanol> parts of ether> parts of volatile oil, root tuber> rhizome. 其抑制活性强度有如下大致规律:乙酸乙酯部分>醇部分>醚部分>发油部分;块根>茎。
- The antibacterial activities of ethyl acetate extracts with different concentration on Verticillium dahliae V43-1 was the best and the MIC was about 5 g/L. 不同浓度乙酸乙酯提取物对4种菌的抑菌效果表明;对棉花黄萎病菌V43-1的抑菌效果最好;最低抑菌浓度约为5 g/L.
- Hydrolysis of earthworm with Asl. 采用Asl.
- This is due to the hydrolysis of gallotannin. 8%25,主要系生产过程中五倍子鞣质水解成没食子酸所致。
- The production status and technology development of ethyl acetate at home and abroad are summarized and the market trends are analyzed and forecasted also. 概述了国内外醋酸乙酯生产及技术进展情况,并对市场发展趋势进行了分析和预测。
- Title： The analytical methods with qualitative fingerprint of ethyl acetate extract and quantitative measurement of caffeic acid in Taraxacum mongolicum Hand.Mazz. 关键词：蒲公英;咖啡酸;高效液相色谱;指纹图谱;乙酸乙酯部位
