Process and device for producing a quartz glass crucible by...

Process and device for regulating the position of the tip of an

Process and device for the cooling of furnaces

Process and device for the extraction of valuable substances

Process and equipment for the treatment of loads or residues...

Process for casting fused refractory oxides having high melting

Process for continuous manufacture of impurity and iron-free ele

Process for electrode control of a DC arc furnace, and an electr

Process for melting a charge in a furnace

Process for melting a charge in an electrical arc furnace

Process for melting of metal materials in a shaft furnace

Process for melting particulate material

Process for melting scrap iron in an electric furnace and instal

Process for preventing burn-off on a current-conducting electrod

Process for the continuous melting of scrap in an electric direc

Process to improve electric arc furnace steelmaking by bottom ga

Protection of graphite electrodes

Protective coating of temperature resistant materials for the me