Adding 7% cordierite, 7% flint clay and 2% quartz sand in matrix enabled the castable to have highest thermal shock resistance.
基质中同时引入7%的堇青石、7%的焦宝石和2%的石英砂时，浇注料的抗热震性最好。
The concept of effective density and water content were introduced to describe the physical state of the clay matrix filling between sand particles.
引入有效粘土密度和有效含水率的概念，描述石英砂颗粒之间的粘土基质的物理状态。
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