The molconvert ratio of L - DOPA was 82.8 % from catechol.以邻苯二酚计的转化率为82.8%.Synthesis of terpene - catechol resin from terpene resin and catechol was reported in this paper.以萜烯树脂和邻苯二酚为原料,合成了萜烯 - 邻苯二酚树脂.The research progre...
他们所谓的回答不过是表示承认的咕哝罢了。Their replies were no more than grunts of acknowledgement.分析家担心情况比领导层承认的还要糟。Analysts fear the situation is even worse than the leadership admits.逐渐衰老是任何人都得承认的事实.Growing old is something a man has to a...
Andrew went rigid when he saw a dog, any dog, anywhere.安德鲁过去只要看见狗，无论在哪里，无论什么狗，都会吓得一动不动。Hurricane Andrew was last night heading into the Gulf of Mexico.昨晚，飓风“安德鲁”进入了墨西哥湾。At last Andrew gave them a crumb of information.最后，...
I guessed, by his preparations, that egress was allowed, and, leaving my hard couch , made a movement to follow him.看他作的准备, 我猜他允许我走了, 我离开我的硬座, 打算跟他走.'Get in your car and follow me,' he commanded...“上你自己的车，跟在我后面...