A number of experiments were conducted to study how {HEAD ~ changes} in {TAIL ~ the surface area} of isomerization catalyst composites affect isomerization performance 
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A number of experiments were conducted to study how { HEAD ~ changes } in { TAIL ~ the surface area } of isomerization catalyst composites affect isomerization performance
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH