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...
a cup of char一杯茶Toast hazelnuts on a baking sheet until the skins char.在烘板上将榛子烤至表皮微煳。Halve the peppers and char the skins under a hot grill.将甜椒剖成两半，在滚热的烤架上烤至外壳微焦。It had clean whitewashed walls, a table and a char.屋里有白白的墙...
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...