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- Ritter amide preparation [化] 里特酰胺制造
- Polyester amide polyols were synthesized from adipic acid and RDEA which was the mixed polyol of aliphatic alcohol amide prepared with rapeseed oil and diethanolamine. 以菜籽油和二乙醇胺为原料制备了脂肪醇酰胺混合多元醇RDEA,进一步和己二酸等原料反应合成了系列的聚酯酰胺多元醇,并对两类多元醇进行了表征。
- He drank off the flagon of wine amid their cheers. 在他们的喝彩声中他喝了一大瓶酒。
- He sat down amid deafening applause. 他在震耳欲聋的掌声中就坐。
- He kept calm amid all these excitements. 他在这些使人激动的事件中保持镇静。
- Experience is their preparation for giving advice. 经验为她们进行咨询作了准备。
- She left amid a swarm of photographers. 她离开时一群摄影记者围着她。
- The advertising campaign is still in preparation. 广告宣传攻势仍在准备中。
- He drank off the wine amid the cheers. 他在一片喝采声中把酒一饮而尽。
- He drank off a glass of beer amid their cheers. 在他们的欢呼声中，他把杯子里的啤酒一饮而尽。
- He felt strange amid so many people. 和这么多人在一起，他感到不自在。
- You can't pass an exam without preparation. 不准备就考不及格。
- He drank up the wine amid the cheers. 他在一片喝采声中把酒一饮而尽。
- A drug or preparation containing arsenic. 砷化合物含砷的药剂或制剂
- The dictionary is now in rapid preparation. 这本词典现在正在迅速编写之中。
- Amid all the fumes and hurtling missiles we kept our heads. 虽在烟雾弥漫，弹片横飞之中，而我们还是镇定不乱。
- The preparation for his cough included camphor. 为医治他的咳嗽而调制的药中包括樟脑。
- Ritter, Anthony M.Solomon, Paul A. 放大图片 创作者: Lawrence S.
- Ritter ;illustrations by Richard Merkin. 作者声明: text by Lawrence S.
- Glycerol or a preparation of glycerol. 甘油，丙三醇甘油或丙三醇配制品
