炉渣碱度(the basicity of slag)是一种表示炉渣特性的指数。它是炉渣中自由氧离子浓度的标志，是炉渣化学性质的主要指标。也是确定高炉造渣制度的重要依据之一。通常多用碱性氧化物与酸性氧化物的质量百分浓度的比值表示。
根据高炉的炉料平衡，对典型高炉不同区域内的炉渣碱度进行计算。
Based on the mass balances of blast furnace, typical slag basicity was calculated and analyzed in different zones of the blast furnace.
控制吹氩强度和吹氩时间，提高炉渣碱度和采用复合脱氧剂，使轴承钢的氧含量有所下降。
Controlling intensity and time of argon blowing, increasing slag basicity and adopting complex deoxidiser are helpful to reducing the oxygen content in bearing steels.
叙述了现场渣样实验室的粘度测定结果，讨论了各种成分及炉渣碱度对粘度的影响的实验室研究结果。
The paper introduces viscosity of slag detected by laboratory and discuses all kinds of elements and basicity have made an effect on viscosity of slag.
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