The fly ash series dry mixing mortar powder has been developed by using low quality of fly ash.
利用低品质粉煤灰研制出粉煤灰系列干拌砂浆粉。
Through removing partial unburnt carbon in fly ash by flotation, the quality of fly ash can be improved.
采用浮选法可除掉粉煤灰中部分未燃尽炭，在降低了含炭量后，粉煤灰的质量得到很大提高。
A new method to evaluate the quality of fly ash based on cementitious coefficient is put forward, and comparison with other methods at home and abroad is presented.
在此基础上给出了以胶凝系数评价粉煤灰品质的新方法，并与国内外其它评价方法作了比较。
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