The influence of bends on the performance of pneumatic conveyingsystems D. J. Mason, A.Levy and P. Marjanovic 197
Formation of striped pattern deposition layers by an aerosol flow --- analysisofthickness and interval of layers S. Matsusaka, I.Adhiwidjaja, T. Nishio andH. Masuda 207
Particle separation in a vertical shaker S.-S. Hsiau and C.-F.Ku 219
High speed video image analysis of flow of fine particlesin fluidized bed jets R. Boerefijn and M. Ghadiri 229
Translated papers
The coating surface and agglomeration of seed particlesin a fluidized bed coater H. Kage, T. Takahashi, T. Yoshida, H. Ogura and Y. Matsuno 245
A conformation study of normal alkoxy groups introduced on to a silica surface M. Fuji, S. Ueno, T. Takei, T. Watanabe and M. Chikazawa 261
News bulletins
Bulletin of the Association of Powder Process Industry and Engineering, Japan (APPIE)
273
Newsletter of the Society of Powder Technology, Japan
277
Calendar of events
279
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