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将50～90％的砻糠灰或稻草灰与10～50％的石灰或熟石灰一起碾磨,制成表面积≥1000厘米~2/克的水泥。用65%磨细的砻糠灰(面积为8000厘米~2/克)与30％的熟石灰和5％的CaCl_2混合,并将此混合物按1∶3∶
50 to 90% of chaff or straw dust is ground with 10 to 50% of lime or hydrated lime to produce a cement having a surface area of ≧ 1000 cm -2 / g. The mixture was mixed with 30% hydrated lime and 5% CaCl 2 using 65% ground chaff (area 8,000 cm 2 / g) and the mixture was mixed at a 1: 3: