Rheological method for the hydrometallurgical recovery of...

Rhodium from hydroformylation still heels

Rhodium recovery from hydroformylation still heel with...

Roast-reductive leach process for copper recovery

Roasting of sulphide materials

Roasting of titaniferous materials

Roasting of zinc sulphide ores

Roasting process in the direct reduction of iron...

Rock bits and inserts therefor

Roll for hot rolling having enhanced abrasion resistance and...

Roll outer layer material for hot rolling and method of...

Rolled aluminum alloy adapted for superplastic forming and...

Rolled aluminum product and method for its production

Rolled product made of aluminum-lithium alloy for...

Rolled semi-manufactured aluminium product and a method for...

Rotary arc furnace for treating aluminum dross

Rotary device, apparatus and method for treating molten metal

Rotary gas dispersion device for treating a liquid aluminium...

Rotary gas dispersion device for treating a liquid metal bath

Rotary kiln for shock sintering