Objective To study the catalytic activity of potassium bisulfate in synthesizing hexyl hexanoate.目的研究硫酸氢钾在合成己酸己酯工艺中的催化性能.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合...
He says this contract should not be patterned after the Deere pact.他说这个合同不应该模仿《迪尔协定》。...roses patterned on a blue background...蓝底上的玫瑰花样...a plain carpet with a patterned border.有饰边的纯色地毯a patterned wood inlay可以组成图案的木制镶嵌物....