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...
Benzyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,丁酸和苄醇为原料合成丁酸苄酯.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成了正丁酸异戊酯.Ethyl lact...
I hate to be the bearer of bad news.我讨厌告诉别人坏消息。He hated always to be the bearer of bad tidings.他讨厌总是带去坏消息。Spanish identity documents state the bearer's profession.西班牙的身份证件会注明证件持有者的职业。...
Don't worry about breading the glass - worse things happen at sea.不要为打破了一只杯子担心,现在的情况比这个更糟.Breading speaking, advertising language refers to all the measures and methods employed in the ads.广义的广告语言是指广告中所使用的一切手段与方法....
小人物往往是最后才拿到酬金。It's the small fry who are usually the last to get paid.我不想永远当小人物。I didn't want to be low man on the totem pole for ever.令人讨厌的小人物身上有着愚蠢的一致性.A foolish consistency is the hobgoblin of little minds....