氨水质量分数
mass fraction of aqueous ammonia
碱质量分数
concentration of NaOH solution
聚合物质量分数配置
polymer concentration control
铝硅质量分数比
mass ratio of Al2O3 and SiO2
煤粉质量分数
pulverized coal mass percent
mass fraction of pulverized coal
溶液质量分数
mass fraction of solution