1. Tshuaj muaj pes tsawg leeg tsom xam: chemical tsom xam txoj kev, instrumental tsom xam txoj kev (infrared CS ntsuas, direct nyeem spectrometer, zcP, thiab lwm yam). ① Infrared CS meter: Ntsuam xyuas ferroalloys, steelmaking raw cov ntaub ntawv, thiab C thiab S ntsiab nyob rau hauv steel. ② Direct nyeem spectrometer: C, Si, Mn, ...
Nyeem ntxiv