And Therefore Forming

Chemical bubbling method is adding bubbling agent into raw material, making the agent reacting with the materials to produce gas and therefore forming small bubble in the brick.

化学发泡法制备隔热耐火砖是将发泡剂直接拌入原料中，使其发生化学反应产生气体，在砖内形成小气泡。

Vile indeed, but habit-forming and therefore lethally dangerous: it cuts short the lives of between a third and half of its practitioners.

吸烟有百害而无一利，但却容易成瘾，因此危害是致命的：吸烟者中三分之一到一半的人寿命缩短。

Therefore, it is significant to study the forming process of design knowledge and put it in computer simulation.

因此，研究设计知识的形成过程并实现计算机模拟，具有重大的意义。