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- Rosolic acid reacted with acetic anhydride to synthesize rosolic acid-triacelate ester [tri(4-acetoxy) phenyl methane] under reflux condition. 以玫红酸、醋酸酐为原料,采用加热回流法合成了玫红酸三乙酸酯[三(4-乙酰氧基)苯基甲烷]。
- Due to the hydrolysis of halogenoalkylamino and reaction of halogenoalkyl and pyrrole and polypyrrole, it was impossible to obtain the desired substituted porphyrins using Adler method which used propanoic acid as solvent under reflux condition. 由于卤代烷基氨基容易水解且能与吡咯和吡咯的聚合物发生反应,所以用Adler方法不能得到目标卟啉。
- The osthol was stable to thermal refluxing condition at least for 6 hours. 蛇床子素在受热6h之内,相对稳定。
- One should adapt oneself to the changed conditions. 我们应当使自己适应变化了的情况。
- The poor people lived in brutish conditions. 穷苦的人生活在牛马不如的环境中。
- Find out what the conditions of the contract are. 弄清楚合同的条件是什么。
- Leather can deteriorate in damp conditions. 皮革受潮可变质。
- Conditions here are not what she's accustomed to. 这里的条件不是她所习惯享受的。
- These conditions no longer obtain. 这些条件已不复存在了。
- He dreamed of living in decent conditions. 他梦想着过体面的生活。
- My perception was the conditions had not changed. 我认为情况无变化。
- Our living conditions are getting better each year. 我们的生活条件一年比一年强。
- Conditions are rather tough here. 这里条件比较艰苦。
- The union struck for better work conditions. 工会为争取更好的工作条件而罢工。
- The living conditions were a bit rough and ready, as there were no beds. 这儿的生活条件有点简陋不堪,连床铺都没有。
- There is reflux of barium into the terminal ileum. 钡剂反流进入回肠末端。
- This mixture was heated to reflux for 1 hour. 该混合物加热回流1小时。
- Oil is insoluble in water under common conditions. 油在常规条件下是不能溶解于水的。
- Will this car stand up to winter conditions here? 这汽车经得起这儿冬天的气候条件吗?
- Reflux the mixture untill no tin remains. 回流此混合物直至没有锡剩下。
