Effect of apex cone height on particleclassification performance of a cycloneseparator H. Yoshida, Y.Kwan-Sik, K. Fukui, RS. Akiyama and S. Taniguchi 263
Processing ofboric acid from borax by a wet chemicalmethod A. Mergen, M. H. Demirhan and M. Bilen 279
Lattice Boltzmann simulation of capillary infiltration inagglomerates and beds of fineparticles C. Pomchaitaward, I.Manas-Zloczower and D. L. Feke 295
Kinematic model for granular flow in atwo-dimensional flat-bottomedhopper C. S. Chou and J. Y.Hsu 313
Density segregation of a binary solidsmixture during batch operation in a two-dimensional hopper K. Shinohara and B. Golman 333
Preparation of microencapsulated powders by an aerosol spray method andtheir optical properties F. Iskandar, H.Chang and K. Okuyama 349
Fluidized bedbinderless granulation of hydrophobic drugs with fine lactosepowder K. Takano, N.Maruyama, A. Mukoyama, K. Nishii, H. Kamiyaand M. Horio 369
Titles of the original research papers publishedin the Japanese journals 383