n-butyl

Conclusion The results suggest that n-butyl alcohol fractions from Panax japonicus C. A. Mey pretreating has significantly protective effects on acute myocardial ischemia injury in rats, ethyl acetate and water fractions have no significant effect.

结论：竹节参正丁醇部位预处理对冠脉结扎诱导大鼠急性心肌缺血损伤具有保护作用，其中乙酸乙酯部位和水提部位作用不明显。

Preparation of Supported Acidic Ionic Liquid by Covalent Bond Grafting and Its Catalysis in Synthesis of n-Butyl Acetate

键合接枝法制备固载酸性离子液体及其催化合成醋酸丁酯

Experimental results indicated that the optimum conditions of esterification reaction are the molar ratio of o-phthalic acid, n-butyl alcohol and sodium hydrogen sulfate 1:2. 6:0. 22, the reaction time 1. 5 h, and the yield up to 94.24%.

实验结果表明：酯化反应的优化条件为邻苯二甲酸、正丁醇、硫酸氢钠物质的量比为1：2.6：0.22，反应时间1.5h。产率可达94.24%。