Then the authors analyse the effect of initial temperature and cooling rate on thermal stress and the low temperature cracking performance of different asphalt cement.
然后探讨了初始温度和降温速率等对温度应力的影响以及不同材料的低温抗裂性能。
As a good thermal material with super-low density, microsphere is often used to prepare light-weight cement slurry.
漂珠是优良的耐热超低密度材料，常用作配制低密度水泥浆。
The geothermal insulating block produced by the method has the advantages of low cost, good thermal insulation effect and totally replacing the foam cement.
由上述方法制成的地热保温块，成本低、保温效果好、完全可以替代发泡水泥。
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