以下为句子列表：
英文: At 20℃ space charge in FRP rod materials increases with increasing of field strength or high voltage application duration.
中文: 20℃下芯棒材料中空间电荷的积累随电场增大、电压作用时间的增加而增加。
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英文: Due to different trap depths, physical reactions and chemical reactions, space charge in FRP rod materials had different polarities and densities is influenced by temperature evidently, especially between 20℃ and 40℃ and between 100℃ and 120℃.
中文: 由于陷阱深度的不同和物理、化学变化的作用，不同温度下芯棒材料内空间电荷的积聚极性和积聚量不同，特别是在20℃和40℃之间以及100℃和120℃之间存在明显变化。
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英文: In this paper, space charge distribution in DC composite insulator FRP rod materials after negative DC high voltage application was measured by PEA method and the results were analyzed and discussed.
中文: 摘要使用PEA法空间电荷测量系统测量了负直流高压电场作用后复合绝缘子芯棒材料中空间电荷分布，并进行了相关的分析和讨论。
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英文: Space charge properties of FRP rod materials are influenced by temperature, field strength and high voltage application duration.
中文: 结果表明，在高压直流电场作用下，芯棒材料内部积累的空间电荷的极性和密度受到温度、电场强度和电场作用时间等因素的影响。
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英文: The practical application in Xinqiao Pyrite Mine has proved that the technology of air-space charge can receive good economical and technical effects.
中文: 现场实践证明，空气间隔装药在爆破降震中有良好的经济技术效果。
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