1Heller D I T, Muller T, Honert D.Cement additives based on PCE [ J ].ZKG International, 2011 (2) : 40-48.
2Lu B I. Synergistic grinding aic and making method, involves multiplying and cement grinding aicds are not widely used in cement enterprise : CN, 1990411-A[ P ] .2007-07-14.