The antioxidant activity of these teas and their fractions were investigated by the hydroxyl radical-induced luminol chemiluminescence assy and visible spectrophotometric method. 采用化學(xué)發(fā)光法和可見(jiàn)分光光度法比較兩類(lèi)茶水提物及萃取組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. 采用化學(xué)發(fā)光法，結合微機系統，研制了測量石油產(chǎn)品中含氮量的分析系統。
