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- Amyl cinnamate was synthesized from cinnamic acid and amyl alcohol using tungstosilicic acid as catalyst. 以钨硅酸为催化剂,通过桂酸和戊醇酯化反应合成桂酸戊酯,研究了各有关因素对产品酯化率的影响。
- Vapor liquid equilibrium (VLE) of the binary system of active amyl alcohol and ethylene glycol was studied at 101. 采用双循环汽液平衡釜,对光学戊醇与乙二醇二元体系汽液相平衡进行研究,获得101。
- The process condition of preparing amyl alcohol with C5 fraction as material, through sulphuric acid addition hydrolyzation was studied. 研究了以C5馏分为原料,用硫酸加成水解法制备戊醇的工艺条件。
- A good extractant for the seperation of active amyl alcohol and isoaml alcohol by extractive distillaiton was studied by theoretical analysis and experimental analysis. 通过理论分析和实验验证找到了一种萃取精馏分离旋性成酸与异成醇的优良萃取剂。
- The nonyl acid and heptanoic acid were been found to be more effective than amyl alcohol and n-heptyl alcohol in enhancing mass transfer of ozone and degradation of p-nitrophenol. 实验测定了臭氧在鼓泡反应塔中的传质系数以及添加促传剂后传质系数增大的倍数。
- The results showed that addition of appropriate extracting solvent could increase the relative vol atility of active amyl alcohol and decrease the number of theoretical plates. 结果表明,加入合适的萃取剂可有效地提高旋光性戊醇对异戊醇的相对挥发度,减少分离所需的理论板数。
- The extractive agent will effectively increase the relative voatility between active amyl alcohol and isoamyl alcohol, and is easy to be recovered bo isoamyl alchohol. 该萃取剂能有效增加原溶液中组份的相对挥发度,且回收容易。
- Fusel oil is one of the best material for producing amyl alcohol .Exatly determing of impurity in fusel oil is importanf for valuation the quality of amyl alcohol and separating fusel oil. 杂醇油是生产异戊醇的最好原料,正确地测定杂醇油中杂质,是评价异戊醇质量的需要,也是分离杂醇油采取的必要方法。
- The synthesis of i amyl acetate from i amylic alcohol and acetic acid using silica gel carrier acid as catalyst is reported. 以乙酸和异戊醇为原料,采用硅胶载体酸为催化剂合成乙酸异戊酯。
- a liquid ester derived from amyl alcohol 一种液态酯,由戊醇衍生而来
- a liquid ester derived from amyl alcohol; has the odor of bananas. 一种液态酯,由戊醇衍生而来,带香蕉味。
- See the children ramping about in the playground. 你看孩子们在运动场上乱冲乱跳。
- It is often unpleasant to see an anomaly animal. 见到一只畸形动物常常会使人感到不快。
- Amyl alcohol, mixed isomers, with the exception of tert-pentanol 戊醇,异构体混合物,叔戊醇除外
- Now you see I was telling yow the truth. 现在你明白我对你讲的是真话了。
- Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
- He is a very good footballer; you ought to see him in action. 他是一位出色的足球运动员,你应该看他踢球。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹,看能不能将它去掉。
- She is always wimpled that no man can see her visage. 她总是用包头巾围包著,没有任何男人能看见她的容貌。
- I peep out the porthole and see a sea of clouds. 我从飞机的舷窗向外张望,看到一片云海。