In the present paper systematic evaluation and analysis is made on activity study of silica in silicate melts or metallurgical slags by means of various methods during past decades.

• 本文系统地分析了几十年来各国学者采用不同的测试和研究方法对诸多的硅酸盐熔体中二氧化硅的热力学性质的研究结果；