Deformation induced by this electrical field in cement is the result of temperature difference and the electroosmosis behavior of electrolyte solvent in the porous cement matrix.

电力效应是电致温度差和水泥孔隙中电解质溶液产生电渗的共同结果。

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Concrete foam insulation board is porous material, cement, mortar, wall and homogeneous, good interface, simple cleaning paste it directly, and viscous solid.

水泥发泡保温板是水泥基的多孔材料，与砂浆、墙面同质，界面优良，经简单清理直接粘贴即可，且粘性牢固。

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The effect of porous silicon rock powder mixing with ordinary Portland cement on properties of cement is studied.

研究了多孔硅质岩矿粉掺入到普通硅酸盐水泥中对水泥性能的影响。

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The reason is that it matters not how good the cement, it will become porous and crack and crumble over time and the casing will rust.

FORBES: The Fracking Solution Is A Good Cement Job

These days, authentic stone basins are scarcer than bustles, so trough- planting zealots have taken to making their own equally porous (and much lighter) containers out of hypertufa a mixture of portland cement, peat moss, perlite and fibermesh.

WSJ: Trough Gardening: A Challenger to the Terrarium Craze?