1. Nyocha ihe mejupụtara kemịkalụ: usoro nyocha kemịkalụ, usoro nyocha akụrụngwa (ngwa CS infrared, spectrometer na-agụ kpọmkwem, zcP, wdg). ① Infrared CS mita: Nyochaa ferroalloys, ígwè arụ ọrụ akụrụngwa, na C na S ọcha na ígwè. ② spectrometer ọgụgụ ozugbo: C, Si, Mn,...
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