The antioxidant activity of these teas and their fractions were investigated by the hydroxyl radical-induced luminol chemiluminescence assy and visible spectrophotometric method. 采用化学发光法和可见分光光度法比较两类茶水提物及萃取组分在水相和油相中的抗氧化性。
A nitrogen analysis system based on chemiluminescence detection and microcomputer has been developed for the measurement of nitrogen contents in petroleum products. 采用化学发光法，结合微机系统，研制了测量石油产品中含氮量的分析系统。
