Assertion: lignin's number | /r/CapableOf | protect lignin-rich pulps
Facets:
value: against visible radiation
type: TRANSITIVE-OBJECT
value: against ultraviolet
type: TRANSITIVE-OBJECT
Source sentences:
text: A large number of photostabilizing treatments to protect lignin-rich pulps against ultraviolet and visible radiation have been proposed and evaluated during the last seventy years.