The resulting catalyst contains {HEAD ~ at least 60 percent} of {TAIL ~ its pore volume} in the 50 to 200 Angstroms diameter range or at least 50% of its pore volume in the 30 to 100 Angstroms diameter range 
The resulting catalyst contains { HEAD ~ at least 60 percent } of { TAIL ~ its pore volume } in the 50 to 200 Angstroms diameter range or at least 50 % of its pore volume in the 30 to 100 Angstroms diameter range
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH