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...
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...
“我要走了，”她冷冰冰地抛出几个字。"I'm leaving," she said curtly.他的对手抛出精确的资料和数据，使他难以招架。His opponent swamped him with facts and figures.这家公司把其抛出的270万股普通股的股价定为每股20美分。The company priced its offering of 2.7 million shares of common sto...
举行流行音乐演唱会to do a gig该乐队举行了13场全国巡回演唱会，其中包括在纽约的一站。The group made a 13-concert cross-country tour, including a stop in New York.他在他的酒店举行了一场历时3个钟头的家庭卡拉OK演唱会，其间高歌了辛纳屈和甲壳虫乐队的一些热门歌曲。He held a three-hour family Karaoke session i...