The mechanism of improvement of the image stability by adding phenol has been discussed.It is most probabl ethat proton is released from phenol and inhibits the reversion of qu...

• 试验中采用核磁共振技术作了检测,在加入苯酚添加剂时有氢质子释放,抑制了醌式结构向初始状态的回复,改善了图象的稳定性能。