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...production and are normally produced in submerged arc furnaces. Raw materials such as manganese ore, metallurgical coke and fluxes (and quartz for SiMn) are premixed in proper ratios and fed to the charge top. As the manganese ore descends in the furnace, it will experience increasing temperatures and an ascending...

...between different standards. By looking at some of the cases, suggestions for revising product standards, power quality regulations and CE-marking process are proposed, and discussed...