Mineral slag has become an important additive for cement manufacturing. As the poor grindability of mineral slag, it is of vital important to select suitable grinding process.
矿渣已成为水泥的一种重要混合材，但矿渣的易磨性很差，因此选择适当的工艺显得尤为重要。
High range mortar plasticizer is a new special additive for cement mortar. Its addition can not only obviously improve performance of fresh mortar but also increase performance of hardened mortar.
高效砂浆塑化剂是一种新型的水泥砂浆专用外加剂，掺入后不仅能明显改善新拌砂浆性能，而且能提高硬化砂浆的性能。
With high dispersity and high activity, silica fume is a specific additive for cement and concrete, capable of distinctly improving the performance of concrete and upgrading the strength of concrete.
作为高分散度和高活性材料，硅粉是一种特效的水泥、混凝土掺合料，它能明显地改善混凝土的性能，提高混凝土的强度。
The research result shows that because of complicated interaction, for different cement, additive performance is dissimilar.
研究表明，由于外加剂与水泥相互作用的复杂性，对于不同水泥，外加剂所表现的性能不尽相同。
So it can be the raw material of fluid loss additive for oil well cement.
因此，可以把它作为油井水泥降失水剂的原料。
In addition, this paper had also drawn the relationship between the cement content, the mixing amount of additive, test time and the compression, and that will be auxiliary for material design.
此外，本文还得出了水泥剂量、外加剂掺量、试验龄期与抗压强度四者之间的关系式，可以辅助配合比设计。
A chemical additive mixed with cement slurry to reduce the time required for the set cement to develop sufficient compressive strength to enable drilling operations to continue.
与水泥浆混合的一种化学添加剂。它用来减少凝固的水泥产生足够的抗压强度所需的时间，使钻井作业能继续进行。
Hence, it is very important for optional selection the additive preventing the gas flow effectively, and developing good cement slurry for preventing the gas flow.
因此，优选有效的防气窜添加剂，研制性能良好的防窜水泥浆就显得十分重要。
Hence, it is very important for optional selection the additive preventing the gas flow effectively, and developing good cement slurry for preventing the gas flow.
因此，优选有效的防气窜添加剂，研制性能良好的防窜水泥浆就显得十分重要。
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