Measurement of particle velocity in a cone K. Shinohara and H.Nakamura 249
Three-dimensional numerical simulation of the motion of particlesdischarging from a rectangular hopper using distinct element method andcomparison with experimental data (effects of time steps and materialproperties) S. Yuu, T. Abe, T. Saitoh and T. Umekage 259
Generation of nanometer size particles and their removal fromair Yoshio Otani, Hitoshi Emi, Sang-Joon Cho and Norikazu Namiki 271
Micro-feeding of fine powders using a capillary tube withultrasonic vibration Shuji Matsusaka, Motohiro Urakawa and HiroakiMasuda 283
Translated Papers
The measurement and evalution of the contact potential differencebetween various powders and a metal Hiroaki Masuda, Takayuki Itakura,Kuniaki Gotoh, Tohru Takahashi and Takashi Teshima 295
Performance evaluation of dry dispersers Hiroaki Masuda andKuniaki Gotoh 305
Flow characteristics in horizontal pneumatic conveyance at lowfluid velocities --- 3: additional pressure drop and the frictionfactor Mitsuaki Ochi and Masahiro Takei 317
News Bulletin
Bulletin of the Association of Powder Process Industry andEngineering, Japan (APPIE) 325
Newsletter of the Society of Powder Technology, Japan 326
