The effect of stress aging on the nucleation and growth of precipitates in Al-3.88 %Cu and Al-3.87 % Cu-0.56 % Mg-0.56 %Ag alloys was investigated by electric r
Bioleaching of marmatite flotation concentrate by Acidithiobacillus ferrooxidans and Leptospirillum ferrooxidans was investigated at 35 ℃, the initial pH value