1.Any of various artificially produced substances resembling pozzuolana ash.
类似的人造白榴火山灰任何人工制造的，相似于白榴火山灰的物质
2.The results of the study show that the strength of clinker can reach above 62.5 Mpa by using the modified fly ash as clayey material to manufacture clinker, the requirments of 42.5R grade pozzuolana cement can be reached by adding 25% modified fly ash in the cement grinding.
试验结果表明，利用改性粉煤灰作为粘土质原料配料烧制的熟料，熟料的强度能达到62.5MPa以上，在掺入25％的改性粉煤灰磨制武汉理工大学硕士论文的水泥能够满足生产42.5R级火山灰水泥的要求。
