Arc control in plasma arc reactors
Arc furnace steelmaking
Arc furnace steelmaking
Arc furnace steelmaking involving oxygen blowing
Arc heater reduction of zinc roast
Arc steelmaking
Argon in the basic oxygen process to control slopping
Arsenic and sulfur elimination from cobaltiferous ores
Arsenic removal from nickel matte
Atomization into a chamber held at reduced pressure
Autogenous process for conversion of metal sulfide concentrates
Autogenous smelting of lead in a top blown rotary converter
Ball formation method
Balls containing tungsten carbide
Basic oxygen steel furnace and process
Batch process and static-bed type apparatus for reducing iron or
Battery recycling
Bearing members having coated wear surfaces
Beneficiating ore by magnetic fractional filtration of solutes
Beneficiation of the non-ferrous metal values of oxide-containin