The results showed that the composites exhibited percolation threshold effect and positive temperature coefficient effect.
实验结果表明：复合材料具有明显的渗滤效应及正温度系数效应。
The results show that the composite exhibits percolation threshold effect, positive temperature effect and nonlinear volt ampere characteristics.
实验结果表明，材料具有明显的渗滤效应、正温度系数效应和非线性伏安特性。
The results showed that the composites exhibited percolation threshold effect obviously and the composites had preferable conductive property when carbon black content was 12%.
结果表明，炭黑填充聚乙烯导电复合材料具有明显的渗滤效应，当炭黑含量为12%时，复合材料具有较好的导电性能；
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