用金属锂 - 液氨一步还原法合成γ姜黄烯.实验证实γ姜黄烯极不稳定,室温下极易芳香化转变成α姜黄烯.The synthesis of ν - curcumene was described. The experiment affirmed that ν - curcumene can aromatize to α - curcumene readily at room temperature....
The economic gloom of the early 1980s was relieved by fanciful architecture.20世纪80年代初期的经济萧条气氛因各种奇异古怪建筑的出现而有所缓解。Designing silicon chips to mimic human organs sounds fanciful.设计硅芯片模仿人的器官听上去是异想天开。a fanciful gold border别出心裁的...
他的双体船的速度可以达到37节。His catamaran will do 37 knots.我们称这些复制的染色体为双体.We can refer to these duplicated chromosomes as making up a doublet.因此, 采用双体结构型式的非自航工程船舶具有很好的应用前景.Therefore, the nonpropelled double - hull engineering ship h...
鼻出血则约占10%.Epistaxis occurs in about 10 per cent.目的: 探讨鼻出血的原因 、 部位及有效治疗方法.Objectiye: To explore the causes, locations and effective treatment of nosebleed.目的探讨选择性颈外动脉栓塞治疗鼻出血的方法、疗效及并发症.Objective To evaluate the selective e...
频繁的批评足以使任何人意志消沉。Constant criticism is enough to demoralize anybody.频繁的使用需要记忆,也促进了记忆.Their frequency of use both justifies and requires the memorization.他在九、十月间,继续同西斯科举行了频繁的会谈.He continued intensive talks with Sisco in Se...