{HEAD ~ A positive active material} for {TAIL ~ nickel electrodes} of alkaline storage batteries consists of particles of hydroxide containing mainly nickel and covered with a layer of a hydroxide phase based on nickel and yttrium 
for
{ HEAD ~ A positive active material } for { TAIL ~ nickel electrodes } of alkaline storage batteries consists of particles of hydroxide containing mainly nickel and covered with a layer of a hydroxide phase based on nickel and yttrium
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