노출 온도가 높은 경우 탄소 나노 튜브가 함유되면, 탄소 나노 튜브가 함유되지 않은 경우보다 감소 정도는 낮아졌다.
When the exposure temperature was high and carbon nanotubes were contained, the degree of reduction was lower than when carbon nanotubes were not contained.