With the aid of the discontiguous diagnostic patent technology for the void damage and thermal aging test of the void damage of grain, the experiment curve for void damage variety a...

• 因为贮存失效临界点是实测的,对比实验分析表明:若药柱贮存时间超过贮存失效临界点,则药柱要出现裂纹,超过的时间越长则药柱中的裂纹就越大。