Method and apparatus for evaporating components of multiple...

Method and apparatus for extracting precious metals from their o

Method and apparatus for extraction of metal values from metal b

Method and apparatus for feeding a steelmaking furnace

Method and apparatus for feeding reacting substances into a smel

Method and apparatus for feeding reaction gas and solids

Method and apparatus for flow control in electroslag refining pr

Method and apparatus for forming a directioned suspension spray

Method and apparatus for forming ferrous liquid-solid metal comp

Method and apparatus for forming ultrafine metal powders

Method and apparatus for heating and smelting pulverous solids a

Method and apparatus for heating or heating and reduction raw ma

Method and apparatus for holding molten metal

Method and apparatus for holding or increasing the temperature i

Method and apparatus for improved EAF steelmaking

Method and apparatus for improved use of primary energy...

Method and apparatus for incinerating self-burning wastes

Method and apparatus for initial purification of liquid metal he

Method and apparatus for injecting liquid oxygen

Method and apparatus for injecting pulverized fuel into a blast