The resulting gel is dried to remove moisture and sintered at 800° C. to 1000° C. in {HEAD ~ a kiln} for {TAIL ~ 8 16 hours} 
for
The resulting gel is dried to remove moisture and sintered at 800 ° C. to 1000 ° C. in { HEAD ~ a kiln } for { TAIL ~ 8 16 hours }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL