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- The classification of electrical trees and some influencing factors concerning the initiation and growth of electrical trees were discussed. 对电树枝的分类以及在电树枝引发和生长过程中的一些影响因素进行了讨论。
- It is found that electrical tree growth in HDPE is easier than that in LDPE,even though ther... 据此,我们推测,材料的形态结构对于电树的发生和电树的发展有着不同的影响。
- Electrical treeing characteristics were discussed by the model of tree shape propagation in silicone rubber. 进而提出了硅橡胶电树枝形态发展模型，并以此讨论了不同形态的电树枝老化特性。
- Results of study show that inception voltage of electrical tree, breakdown voltage, environmental stress cracking, tensile strength and elongation at break of low density polyethylene are improved after grafting. 研究结果表明:接枝聚硅氧烷后,改性的低密度聚乙烯的树枝引发示性电压、穿场强、耐环境应力开裂性、伸强度及断裂伸长率都得到提高。
- Studies on electrical treeing characteristics of silicone rubber (SIR) were carried out in this paper. 针对硅橡胶材料电树枝老化特性展开了试验研究。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- It is also found that there are three basic treeing propagation phases, which are initiation, stagnation，and rapid developing phases, presented in electrical tree developing process. 并且在电树枝发展过程会呈现非常清晰的三个基本阶段，即引发阶段、滞长阶段和迅速发展阶段。
- It is found in this paper that most growing processes of electrical tree are with stages, and are accompanied with two kinds of different treeing structures in XLPE at lower frequency. 本文研究发现,XLPE电缆绝缘中电树枝的生长过程多数呈阶段性特征,并且在较低的电压频率下伴随着两种不同的电树枝结构。
- The huge trees were profiled against the night sky. 在夜空的映衬下显出大树的轮廓。
- The test results with the needle-plane electrode system under ac voltage at 77 K indicate that the fatigue break in UHMW-PE under mechanical forces during the electrical treeing is a critical factor. 结果表明，机械应力下疲劳强度的劣化是低温电树枝化的重要因素。超高分子量聚乙烯具有低温性能好。
- They netted the fruit trees to protect them from birds. 他们用网覆盖住果树以使其免遭鸟害。
- There are no trees or bushes to give shade. 没有树木或灌木丛可以遮荫。
- Elephants strip the leaves from trees. 大象剥去了树上的叶子。
- Be he a civil engineer or an electrical engineer? 他是土木工程师还是电气工程师？
- The overripe apples dropped down from the trees. 过熟的苹果从树上掉了下来。
- The trees outside the window blocked off the sun. 窗外的树木挡住了阳光。
- The line of flags was slung up between two trees. 一排旗帜悬挂在两棵树之间。
- Sloths live in trees and move very slowly. 树獭生活在树上而且行动缓慢。
- Tu Demin, Wang Xinsheng, Kan Lin et al.Effect of charge trappling on electric treeing in polyethylene[J].Proceedings of the CSEE,1993, 13(10): 7-12. [7]屠德民;王新生;阚林;等.;电荷陷阱对聚乙烯树枝化的影响[J]
- The pine trees defy severe cold. 松树不畏严寒。
