"hidenori kuroki,Keiichiro  Onishi,Keiichi Asami,Takeo Yamaguchi","Catalyst Slurry Preparation Using a Hydrodynamic Cavitation Dispersion Method for Polymer Electrolyte Fuel Cells",,"Industrial & Engineering Chemistry Research","American Chemical Society","Vol. 58","No. 42","  19545-19550",2019,Sept.