About Mao Pengfei
About Le Zhiping
About Zhongguo Taoci
About pottery
About ceramic raw material
About clay
About minor component
About lead
About trace analysis
About spectrophotometry(analysis)
About absorption coefficient
About optical absorption
About absorbance coefficient
About Ceramics and ceramic whiteware in general
About 光度
About 粘土
About 陶磁器
About 鉛