The cementfineness has no influence on the diffusion coefficient of chlorideion in concrete.
水泥细度对混凝土氯离子扩散系数影响不大;
2
How to improve cementfineness economically and effectively is a problem concerned by cement enterprise.
如何经济有效地增加水泥粉磨细度,是水泥生产企业关注的问题。
3
It is concluded that the aim of increasing Portland cementfineness can be reached economically through changing the composition of cement clinker and transforming manufacture technics.