Assertion: hydrate's formation | /r/CapableOf | increase acoustic -wave velocities
Facets:
value: by more than 80%
type: OTHER
Source sentences:
text: The authors reported that hydrate formation in both the chalk and sandstone samples increased the acoustic -wave velocities by more than 80% when hydrates formed in the pore space; however, the velocities soon became constant, and further lowering the temperature did not appreciably increase the velocity.