Intergrown molecular sieve, its synthesis and its use in the conversion of {HEAD ~ oxygenates} to {TAIL ~ olefins} 
to
Intergrown molecular sieve , its synthesis and its use in the conversion of { HEAD ~ oxygenates } to { TAIL ~ olefins }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL