Radioactive .sup.57 Co source

Rail wheel alloy

Rapid oxidation process of carbonaceous and pyritic gold-bearing

Rare earth metal doped directionally solidified eutectic alloy a

Rare earth metal stannides

Reclaiming metallic material from an article comprising a non-me

Reclamation process for tungsten carbide/cobalt using acid diges

Recovering clean metal and particulates from metal matrix compos

Recovering vanadium from petroleum coke as dust

Recovery and purification of rhodium

Recovery and removal of mercury from effluent

Recovery and separation of gadolinium and gallium

Recovery of Cd and Ni from batteries

Recovery of cobalt and chromium

Recovery of cobalt and nickel from sulphidic material

Recovery of cobalt values

Recovery of copper and silver from sulfide concentrates

Recovery of copper by cementation

Recovery of copper by ferrous ion precipitation

Recovery of copper from ammoniacal copper sulfate solution