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NUMBER I FEBRUARY
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acid bath Al-Cu-Mg alloys anodic oxide anodised austenitic Bainite bath temperature BHEL blast furnace blast furnace slag boiler carbide carbon castings and forgings cellular metal chalcopyrite coating cobalt colour concentrate copper and sulphur corrosion Cr steels creep resisting steels electric tunnel kiln electrolyte FeCl3 ferric chloride ferritic ferritic steel ferrous foam grade h bar heating elements Heavy Electrical plants high temperature hot-dip aluminized increase indigenous industry iron leached solution maximum metal foam method National Metallurgical Laboratory NRDC obtained oxalic acid oxalic acid bath oxide film P. K. GUPTA packing densities particles petroleum coke production ratio reactors reagent recovery of copper refractory Research rotor samples Shri silica sodium heated steam sodium hydroxide stainless steel steam turbine stress superheater superheater tube Table tartaric acid thickness tion tonnes upto V. A. Altekar voltage X-ray zone formation