早在16世纪镁盐被用作泻药.Magnesium were employed as cathartics as early as the 16 th century.这是疗效很好的泻药.The medicine was an effective purge.医生认为给病人服泻药的时候到了.The doctor think it is time that he physic the patient....
...a frilled shirt and floppy cravat.带褶边的衬衣和耷拉的领结Double medium blue frilled star. Medium - dark green, pointed, serrated. Large.重瓣中蓝色波折星型花. 中到深绿色尖型叶, 锯齿叶缘.大型.Semidouble dark blue - purple frilled Large. Variegated dark g...
跟EBC分析法一样, 新的测定法也是以分光光度法测定2 、 3—— 二烃基喹喔啉为基础.Like Analytica EBC, the new assay is based on the spectrophotometric stimation of 2, 3 - dialkylquinoxalines .二烃基 ( 基 ) 醚的萃取行为受极性和空间取代基效应的控制.The extraction behavior of dialkyl ...