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- 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。
- 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。
- 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 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。
- As the car hit the tree he was snot out. 汽车扭在村上，他被猛地摔了出来。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- 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。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- The car hit the tree with a sickening crash. 那辆汽车撞在树上发出让人难受的撞击声。
- An arrow whizzed past and stuck in a tree. 一支箭“飕”地一声飞过去，钉在一棵树上。
- The squirrel ran up a tree and got out of my reach. 松鼠跑到树上去了，我逮不着。
- Be he a civil engineer or an electrical engineer? 他是土木工程师还是电气工程师？
- The workers saw off a limb from the tree. 工人从树上锯下了一根大树枝。
- He is not made for climbing the tree of knowledge. 他不是生来适于攀登知识之树的。
- He tethered his horse to a tree. 他用绳子把马拴在树上。
- The ivy twined round the oak tree. 长春藤盘绕着橡树。
- 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]
