水泥添加剂指水泥应用过程中，为改善或实现各种特性进行添加的助剂，例如快干或增强，例如减水剂，减少含水量，例如缓凝剂缓凝。
紧密堆积理论的进一步研究对开发适用于深水开发、低压低渗区块开发的固井水泥添加剂具有重要意义。
It is very important to further investigate the close packing theory to develop cement additives for drillings in deep water and low permeability blocks.
水泥添加剂用来改变水泥的密度、凝固时间、抗压强度、流动性能和脱水率，并用来使水泥膨胀以及降低水泥成本。
Cement additives are used to change the cement's density, setting time, compressive strength, flow properties and dehydration rate, to cause the cement to expand, and to reduce the cost of the cement.
第三，还可以通过在水泥中加入更多的添加剂以减少生产中会产生大量二氧化碳的溶渣的比例。
Third, they are mixing more additives into their cement, and so reducing the proportion of emissions-intensive clinker.
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