About YANG S
About Queen Mary, Univ. London, London, GBR
About EVANS J R G
About Queen Mary, Univ. London, London, GBR
About Powder Technology
About powder
About partical-size distribution
About Handling equipment of solid in general
About Measuring methods and instruments of mass,density,specific gravity
About 管
About 粉体
About 計量
About 音響制御