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Signs are not lacking that in the foreseeable future new technologiesare bound to be developed in the field of high-temperature chemical andmetallurgical processes, production of refractory materials in the formof high-melting compounds, magneto-hydrodynamic(MHD)and nuclearpower generations, etc. In many cases the air for combustion may berequired to be preheated to over 1,500°K. to obtain flame temps, of～3,000°K.as in the smelting of phosphate.rocks or in the(MHD)
Signs are not lacking that in the foreseeable future new technologiesare bound to be developed in the field of high-temperature chemical and metallurgical processes, production of refractory materials in the form of high-melting compounds, magneto-hydrodynamic (MHD) and nuclearpower generations, etc. In many cases the air for combustion may be bequired to be preheated to over 1,500 ° K. to obtain flame temps, of ~ 3,000 ° K. as in smelting of phosphate. Rocks or in the (MHD)