Five pairs of carbazole derivative enantiomers were resoluted with a cellulose tris ( 3, 5 dimethyphenylcarbamate ) chiral column. 用纤维素-三 ( 3, 5-二甲基苯基氨基甲酸酯 ) 手性固定相拆分了5种咔唑羧酸衍生物对映异构体.
Other changes include more tolerant attitudes to unmarried couples having children.其他变化包括对非婚夫妇生育更为宽容的态度。The report shows that fewer couples are getting hitched.报告显示，结婚的人数呈下降趋势。Just 26 per cent of households are married c...
"Forgive my manners," she said calmly. "I neglected to introduce myself."“请原谅我礼数不周，”她平静地说。“我忘了自我介绍了。”This comedy of contemporary manners is told with compassion and acid humour.这部当代风尚喜剧杂糅了悲悯的情怀和尖酸的幽默。He attacked the food...