Assertion: permeability | /r/CapableOf | use darcy's law
Facets:
value: either directly
type: MANNER
Source sentences:
text: Permeability needs to be measured, either directly (using Darcy's law), or through estimation using empirically derived formulas.
text: The pressure drop across the sample and the flow rate are measured and permeability is calculated using Darcy's law.
text: Permeability needs to be measured, either directly (using Darcy's law), or through estimation using empirically derived formulas.