用 4- 氨基安替比林与 3- 甲酰基色酮 、 肉桂醛、茴香醛反应分别合成了3种新的席夫碱化合物.Three novel Schiff bases were synthesized using the reaction of 4 - aminoatipyrine with 3 - formylchromone, cinnamaldehyde and anisaldehyde.从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸,合成茴香酸甲...
他以往的丑行被发现时，人们感到震惊。It was a shock to discover the truth about his sordid past.他对以往的胡作非为的回忆使得他精神上受惩罚.He was scourged by the memory of his misdeeds.经过若干年的沉寂, 这座宫殿恢复了以往的壮丽.After years of neglecting, the palace has been resto...
Among the most spectacular sights are the great sea-bird colonies.庞大的海鸟群是最壮观的景象之一。The colonies were claiming a larger measure of self-government.殖民地正要求获得更大程度上的自治。The colonies received only a passing mention.那些殖民地只是顺带提了一下...
Your educational organizations are just a place for infusing your mind.你们的教育机构就是灌输头脑的地方.Objective To discuss the clinical effect on ventricular hemorrhage by lateral ventricular exporting and infusing Urokinase.目的探讨侧脑室引流...