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Investigate the liberation of copper from waste Printed Circuit Boards (PCBs)
(Universiti Malaysia Perlis, 2010-06-09)
Nowadays the waste PCBs
increasing sharply proportionally the
number of personal computers which is 5.7
million in 2005 and the predict amounts, it
will be increase to 11.5 Million in 2010
(Unit Perancangan Ekonomi, ...
Morphology study on different composition of bentonite and silica sand in green sand mould for zinc alloy
(Universiti Malaysia Perlis, 2010-06-09)
Zn alloy casting industry using green sand
molding is increasingly becoming to very competitive
circumstance, due to the various casting methods such as
die cast, sand mould and so on with the recent coming of
the ...