Properties of anti-cracking of rubberized mortar were studied at plastic stage and hard stage by the method of board and ring devices respectively.

分别用平板法及圆环法测试研究了不同代砂率的橡胶砂浆在塑性阶段及硬化早期阶段的收缩开裂性能。

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This article studies the reaction process and mechanism of calcium silicate thermal insulating material active mortar of hard rankinite type.

研究了硬硅钙石型硅酸钙保温材料活性料浆的反应过程与反应机理。

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Online retailers are particularly smart at this, and have given many established brick and mortar competitors a hard time with their ability to analyze consumer sentiment, take suitable action, and elicit positive recommendations from their enormous online audience.

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Brick and mortar retailers are finding it hard to compete against online retailers like Amazon and eBay.

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Indirect fire is a reference to rocket and mortar fire, and the U.S. military suspects hard-line Shiite militants stage such attacks.

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