expansive material

expansive materialexpansive material
  1. A research on the multifunctional expansive material for oil and gas well

    多功能油气井水泥膨胀材料的研究

  2. Concrete ; The application of cement expansive material

    混凝土膨胀剂的应用

  3. A novel expansive material for oilwell cement was studied in this paper .

    本文研制了一种新型的油井水泥膨胀材料(DD型),并对其在不同条件下的膨胀量、抗压强度、胶结强度和工程性能进行了评价。

  4. Discussion on Quality Expansiveness of Expansive Material Magnesium Oxide

    论氧化镁膨胀材料的品质质量及膨胀性能

  5. Effect of compound MgO expansive material

    新型复合MgO膨胀材料的膨胀效果

  6. Compensating Shrinkage of Cement Paste by New MgO-Based Expansive Material

    新型镁质膨胀材料对水泥浆体收缩的补偿

  7. A Fluid-Loss Controllable Expansive Material for Oilwell Cement

    油井水泥膨胀、降失水双效材料的研究

  8. The thermal actuation is a new way to solve the problem , in which paraffin is used as an expansive material whose coefficient of volume expansion in the melting point temperature range is very high .

    石蜡在熔点附近具有很大的体膨胀系数,以石蜡作为热膨胀材料的热驱动是解决这一问题的新途径。

  9. Study on Controlling Coal Spontaneous Combustion at Semi-progressive Working Face by Macromolecular Mixed Soluble Expansive Colloidal Material

    高分子复混溶胀胶体材料防治半前进式工作面煤炭自燃技术的研究

  10. To compacted samples prepared by same expansive soil material , the smaller the prepared moisture content the higher the expansive force . Even if the moisture content only reduced 1 % - 2 % , the corresponding expansive force would upper to 200 % .

    对同一种膨胀土材料,其击实含水量越小,膨胀性越强,甚至含水量降低1%~2%,膨胀力就可以增加到200%以上;

  11. Application of Expansive Soil Waterproof Material in Underground Engineering

    膨润土防水材料在地下工程的应用

  12. Expansive property and pore structure characterisitics of magnesium oxide slight expansive cement-fly ash binding material

    氧化镁微膨胀水泥-粉煤灰胶凝材料的膨胀性能及孔结构特征