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