环境友好型直流电缆料聚丙烯绝缘的电树枝研究进展
朱乐为,杜伯学

Research Status on Electrical Tree of Polymer Insulation Materials in HVDC Cables
Zhu Lewei,Du Boxue
图9 扫描电镜观察和EDAX分析原始样品和击穿通道[34]
Fig.9 SEM observation and EDAX analysis of the original sample and breakdown channels[34]