The composites displayed a positive pressure coefficient(PPC) effect at ww__c.Uniaxial compression might facilitate the NPC effect or weaken the PPC e...

• 而高于渗流阈值时；呈现NPC效应.；在渗流阈值附近；单轴压缩可诱导NPC效应的出现；或者抑制PPC效应