Electronic textbook of ultraviolet-visible spectroscopy (Tsinghua University)

Proficient in the relationship between UV-visible absorption spectrum and molecular structureUnderstanding chromophores, auxiliary chromophores, conjugation effects, substituent effects and their interrelationshipsProficient in Lambert-Beer law and its establishment conditionsUnderstanding the basics of ultraviolet-visible spectroscopy instruments Composition, main component materials and their functionsUnderstand the measurement objects and principles of differential spectrophotometry, derivative spectrophotometry, dual-wavelength spectrophotometry, etc., master the principles of fluorescence, phosphorescence and chemiluminescence and their molecular structure Relationship

Face Mask

Earloop Face Mask,Disposable Earloop Face Mask ,Surgical Masks Disposable,Civil Face Mask 3 Ply

ShenZhen Bri-Cloud Industrial Co.,Ltd , https://www.sobeautyhealth.com