所属栏目:药学英语
IntroductionTheabsorptionofelectromagneticradiationofwavelengthsbetween200and800nmbymoleculeswhichhaveπelectronsoratomspossessingunsharedelectronpairscanbeemployedforbothqualitativeandquantitativeanalysis;assuch,itisknownasspectrophotometry.Asawidevariety ......(本文共 2292 字 ) [阅读本文] >>