1·The results showed that the composition and construction of thistle board vary with the heating temperature.
结果表明：纸面石膏板在受热时，其组成、结构将发生改变。
2·Microstructure of thistle board undergoing different fire scene temperature and cooling ways was observed and analyzed by using SEM.
利用扫描电子显微镜，对经历不同温度和冷却方式的纸面石膏板试块的显微结构进行观察和分析。
3·The results show that under the condition of different fire temperatures and cooling ways, the structure and intensity of thistle board are different.
结果表明：在不同受热温度和冷却方式条件下，纸面石膏板的结构和强度将发生改变。