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...
You think this is some game for you , to have your last joyride?你认为这是场游戏让你最后耍一把?Twenty minutes later, after a royal joyride, his highness touched down.二十分钟后, 殿下华丽地兜了一圈后, 降落了.Zoe , our annoying employer, joined the joyrid...
I consider activities such as jogging and weightlifting as unnatural.我认为像慢跑、举重这样的运动不符合自然规律。If you enjoy outdoor activities, this is the trip for you.如果你喜欢户外运动，这一旅行很适合你。Skipping is one of the most enjoyable aerobic activi...