During alcoholic fermentation acetaldehyde acts as a hydrogen acceptor instead of oxygen.在这个过程中乙醛取代了氧作为氢的受体.Decanoyl acetaldehyde was extracted from houttuynia cordata thunb by the method of solvent extraction process.利用...
The corresponding reaction of acetaldehyde is subject to general base catalysis.乙醛相应的反应服从广义的碱催化.During alcoholic fermentation acetaldehyde acts as a hydrogen acceptor instead of oxygen.在这个过程中乙醛取代了氧作为氢的受体.Alcohol dehydrog...
Every year, 250,000 people enter the job market.每年有25万人进入就业市场。Put your best foot forward and work on the assumption that there is an acceptable solution to every problem you are likely to face.要尽力而为，要相信你可能遇到的每一个问题都会有一个适当...
He drew out his notebook and began to take notes.他掏出笔记本开始记笔记.Do you usually take notes in class with a pen or pencil?你在课堂上记笔记通常用钢笔还是铅笔?Take notes during the consultation as the final written report is very concise.磋商的时候要...
a trio for piano, oboe and bassoon钢琴、双簧管及大管三重奏He tucked the bassoon under an arm and stamped out.他把巴松管夹在腋下,跺着脚走了出去.The Wedding of the Painted Doll for Bassoon Quartet.彩色洋娃娃的婚礼(为大管四重奏)....