It is carried optimally on {HEAD ~ a high surface area support material} like alumina which often includes various promoters and stabilizers such as {TAIL ~ ceria}, barium oxide, lanthanum oxide, or strontium 
It is carried optimally on { HEAD ~ a high surface area support material } like alumina which often includes various promoters and stabilizers such as { TAIL ~ ceria } , barium oxide , lanthanum oxide , or strontium
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH