Meanwhile the oxygen related defect sites disappear in infrared (IR) spectrum after hightemperaturecalcination.
与此同时,骨架红外(IR)谱中氧空位缺陷带消失。
2
Results show that the surface of silica sands can be purified and quantities of the acid consumption can be reduced by hightemperaturecalcination.
结果表明,高温焙烧可以净化硅砂的表面,使硅砂的耗酸值降低。
3
Through moulding by adding assistant, hightemperaturecalcination, soaking and digestion, filtration, carbonization and drying, strontium carbonate of 97% over purity is produced.