所屬欄目:藥學(xué)英語
IntroductionTheabsorptionofelectromagneticradiationofwavelengthsbetween200and800nmbymoleculeswhichhaveπelectronsoratomspossessingunsharedelectronpairscanbeemployedforbothqualitativeandquantitativeanalysis;assuch,itisknownasspectrophotometry.Asawidevariety ......(本文共 2292 字 ) [閱讀本文] >>