00621naa a2200145 a 450000100080000000500110000800800410001910000180006024501310007826000090020952001350021865300180035370000190037177300850039010288212010-03-03       2004    bl ---       0--  u    #d1 aYASUDA, M. T.  aA new method to determinate open porosity and permeability constants of open-pore sintered glasses by photoacoustic technique.  c2004  aA new method to determine the open porosity of the open-pore sintered glasses (filters) based in the photoacoustic (PA) technique.  aPhotoacoustic1 aMELO, W. L. B.  tIn: ENCONTRO DA SBPMat, 3. Foz do Iguaçu, 2004. Resumos...Foz do Iguaçu, 2004.