Electrostatics ofparticles S. Matsusaka and H. Masuda 143
Original papers
Assessing the potential ofa fine powder to segregate using laser diffraction and sieve particlesize measuring techniques H. Abou-Chakra, U. Tüzün, I. Bridle, M. Leaper, M. S. A. Bradley andA. R. Reed 167
Numerical simulation of two-dimensional wick debinding in metal powder injection molding C.-Y. Chang 177
The static and dynamic wall stresses in acirculatory two-dimensional wedgehopper C. S. Chou and R. Y.Chen 195
A newspherically agglomerated drug composite system with lactose for drypowder inhalation K. Ikegami, Y. Kawashima, H. Takeuchi, H. Yamamoto, K. Mimura, D.-I. Momose and K. Ouchi 215
Continuous surface modification of silica particlesfor enzyme immobilization S. Shioji, M.Hanada, Y. Hayashi, K. Tokami and H. Yamamoto 231
Translated paper; '01 SPTJ Young Researchers'Award
Separation of silicastone andpyrophyllite by a gas--solid fluidized bed utilizing slight differenceof density J. Oshitani, M.Kondo, H. Nishi and Z. Tanaka 247