Assertion: silicon carbide | /r/HasProperty | studied in several research programs
Facets:
value: in the 1980s
type: TEMPORAL
value: in the united states
type: LOCATION
value: in 1990s
type: TEMPORAL
value: in japan
type: LOCATION
value: for high-temperature gas turbines
type: PURPOSE
value: in europe
type: LOCATION
Source sentences:
text: In the 1980s and 1990s, silicon carbide was studied in several research programs for high-temperature gas turbines in Europe, Japan and the United States.
text: In the 1980s and 1990s, silicon carbide was studied on several research programs for high-temperature gas turbines in the United States, Japan, and Europe.