00363nam a2200109 a 4500008004100000050001100041100001700052245009000069246002400159260006100183350000900244120416s2003    ||||||||||||||||| ||    u  aTHESIS  aMumba, Evans10aHeat balance around number five converter furnace during copper scrap melting process  aKonkola Copper Mine  aKitwebCopperbelt University, School of Technologyc2003  a0.00