{TAIL ~ The proportion} of the hydroxide phase is in {HEAD ~ the range} 0.15% to 3% by weight of yttrium expressed as yttrium hydroxide relative to the total weight of particles 
{ TAIL ~ The proportion } of the hydroxide phase is in { HEAD ~ the range } 0.15 % to 3 % by weight of yttrium expressed as yttrium hydroxide relative to the total weight of particles
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH