Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.One advisable way is to synthesize NFM acylating morpholine...
...Iran's clerical leadership.伊朗的教会领袖She had a clerical assistant to do her paperwork.她让助手帮她做文书工作.The hospital blamed the mix-up on a clerical error.医院方面将这一混乱归咎于一处笔误。...a strike by clerical staff in all government d...
And while she closed with a happy Scriptural flourish , he " hooked " a doughnut.在她背了《圣经》中的一句妙语格言作结束语时, 汤姆 顺手牵羊 偷了一块油炸面圈.Keep the soil moist. That way, the seedling will flourish.保持土壤湿润，那样幼苗就能茁壮成长。Keep the soil moist. Th...
她爱过度地生气.She has an excess of anger.正如所预料的那样, 过度地饮酒最终毁了他.As expected, excessive drinking caught up with him.为了提供众多人口的口粮, 必须耕种贫瘠的田地,而且还得过度地使用良田.To feed a large population, inferior land must be cultivated and the good land...