The effect of raw material ratio, esterification time, the quantity of the catalyst and reuse of catalyst on esterification rate was discussed.
讨论了原料配比、酯化时间、催化剂用量及其重复使用次数对酯化率的影响。
The effect of water binder ratio (W/C), slag binder ratio (S/C) as well as the adding quantity of steel fiber on cement based composite was studied;
研究了水灰比（W/ C）、砂灰比（S/ C）、钢纤维掺量对水泥基复合材料性能的影响；
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