Glass fiber is used to reinforce material for increasing toughness, flexural strength, and tensibility in unsaturated polymer modified concrete.

玻璃纤维则是作为强化材,以增加浆体的韧抗弯、抗拉等质。

The expansion mechanism of hydroxide expanding phase for oil well cement slurry are discussed on the basis of principle of chemical thermodynamics and topochemical reaction model.

要基于膨胀剂原地反应模型和化学力学原理，讨论了晶体生长压的源动力浆体体积膨胀与结晶压的关系。

The turbulator can be used to improve the centralization of the casing strings, to allow the fluid to form spiral flow, as well as to improve the displacement efficiency.

使用旋流扶正器既可提高套管的居中度,又可对流体进行导流而形成螺旋流,还可以提高环空浆对浆的顶替效率。