连铸保护渣 二氧化硅、三氧化二铝、氧化钙、氧化镁、全铁含量的测定 波长色散X射线荧光光谱法
Continuous casting mold powder - The determination of silicon dioxide,aluminium oxide,calcium oxide,magnesium oxide and total iron content - The wavelength dispersive X-ray fluorescence spectrometric method