... 金属氧化物 : 氧 = 2:3 (M2O3 and related compounds) 赤铁矿群 Hematite group 刚玉 (Corundum) - Al2O3 ...
双语例句
1
Starch is a commonly used hematite depressor in reverse flotation of hematite and dissolved waste Saccharomyces Cerevisiae contains a polar group similar to starch.