pore volume,porosity /ENERGY-MINING,INDUSTRY-METAL/
[DE] Koksdichtigkeit; Lueckengrad; Porositaet
[EN] pore volume; porosity
[FR] porosité
pore space,pore volume /SCIENCE,ENG-ELECTRICAL/
[DE] Porenraum; Porenvolumen
[EN] pore space; pore volume
[FR] volume de pore; volume des vides