In order to clarify the mechanism and the complex formed in the extraction of divalent Mn byalkylphosphonic acid monoester, the solid complex has been prepared
The mechanical reduction of CuO by pure metallic Mg has been investigated during pulver-izing in ball mill at room temperature.The reduction was towards its com
The crack propagation resistance for alloy 8090 sheet decreases with the increase of content ofNa and K impurities.An improvement over the fracture toughness an