Assertion: immobilized apatite | /r/CapableOf | increase their activity
Facets:
value: from the first
type: TEMPORAL
value: with the passage of time
type: TEMPORAL
Source sentences:
text: It was found that the obtained immobilized apatites all increased their activity from the first with the passage of time and showed the peak activity value after a certain period, following which there was a gradual drop in activity.