四位学生进行水泥熟料中 SiO 2 ,CaO,MgO,Fe 2 O 3 ,Al 2 O 3 的测定。下列结果(均为百分含量)表示合理的是 : ( ) A.21.84,65.5,0.91,5.35,5.48;B.21.84,65.50,0.910,5.35,5.48;C.21.84,65.50,0.9100,5.350,5.480;D.21.84,65.50,0.91,5.35,5.48
四位学生进行水泥熟料中 SiO 2 ,CaO,MgO,Fe 2 O 3 ,Al 2 O 3 的测定。下列结果(均为百分含量)表示合理的是 : ( )
A.21.84,65.5,0.91,5.35,5.48;
B.21.84,65.50,0.910,5.35,5.48;
C.21.84,65.50,0.9100,5.350,5.480;
D.21.84,65.50,0.91,5.35,5.48
相关考题:
钢铁冶金中主要氧化物的稳定性由强到弱的顺序是A.MgO>Al2O3>CaO>SiO2B.CaO>Al2O3>MgO>SiO2C.CaO>MgO>Al2O3>SiO2D.SiO2>CaO>MgO>Al2O3
钢铁冶金中主要氧化物的稳定性由强到弱的顺序是A.CaO>MgO>Al2O3>SiO2B.MgO>Al2O3>CaO>SiO2C.CaO>Al2O3>MgO>SiO2D.SiO2>CaO>MgO>Al2O3
钢渣最主要的化学成分是()A.SiO2, Al 2O3B.CaO.SiO2C.Al 2O3.Fe2O3D.CaO.Al 2O3