SEM photographs indicate that the microstructure of hardening cement with super-retarding agent is more compact.
SEM图像表明，掺超缓凝剂的水泥硬化结构更加致密。
The trials show the cement retarding agent acceptable at lower energy consumption, lower cost and no secondary pollution.
试验表明，该新工艺可生产出合格水泥缓凝剂产品，并且能耗低，成本低，无二次污染。
The retarding properties of cement paste with the super-retarding agent have been characterized and analyzed by means of XRD and SEM.
方法利用XRD和SEM等微观手段，对掺入超缓凝剂水泥砂浆的缓凝性能进行了测试和表征。
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