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- The researches and applications of Cu Sn plating both at home and abroad are overviewed, and various bath formulations and additives listed. 本文综述了国内外电镀铜锡合金工艺的研究进展和应用,列举了各种类型的镀液配方和添加剂。
- Cu Sn plating is a right substitute for nickel coating because it is not allergic to human body, can meet anti diffusion requirement and has a lower cost. 电镀铜锡合金是一种合适的代镍镀层,它不使人体过敏,能满足防扩散性能的要求,且成本较低。
- Keyword： high speed railway; vertical curve section; contact wire; sag; setting. 关键词：高速铁路；竖曲线地段；接触线；弛度；设置
- Crack of QSi1-3 contact wire mid-anchor clamp was discovered atter working over a year. 3接触线中心锚结线夹在服役一年多后断裂。
- Electric erosion by moving arc varies with arc speed.The higher the speed of the electric traction train, the slighter the electric erosion degree of the contact wire surface. 不同速度的运动电弧对接触线表面的侵蚀程度不同，列车运行速度越高，电弧对接触线表面的侵蚀程度越轻微。
- The future tendency on contact wire includes the development and preparation multi-micro-alloying and compound contact wire as well as innovative owned-processing technology. 多元微合金化、复合接触导线的研究与制备以及具有创新的国产化加工技术是接触导线今后的发展方向。
- Abstract: The paper has introduced the building technology of the replacement of compensation device and the contact wire in the course of the existing railway-speed-increasing catenary device rebuilding, as a reference to the builder. 文摘:介绍了既有线提速接触网设备改造中更换补偿装置及接触导线施工技术，供从事施工人员参考。
- Includes adjustable 18 second to 30 minute timer and contact wired to terminal blocks for remote alarm. 包括调节范围在18秒至30分钟的计时器和用于远程警报的、连接到终端的接触器。
- Electrically connecting clamp for contact wire 接触线电连接线夹
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- Includes contacts wired to terminal blocks for remote alarm. 包括用于远程警报的、连接到终端的接触器。
- interaction between pantograph and contact wire 弓网关系
- Tengtie Fe deposit is acompanied by Cu and Sn located at the middle part of the east contact zone of Yulu apophyse. 藤铁铁矿位于鱼鹿岩枝东接触带中段,该矿体为铁、铜、锡共(伴)生矿床。受断裂带、岩体侵入接触带、夕卡岩带和鱼鹿岩枝控制。
- Facilitating shift and new configuration jump contact wiring board, cuddle inserts system of line, motherboard. 便于移动和重新配置跳接点的接线板、搂插线、底板系统。
- A mathematic model for fatigue reliability of contact wires was presented based on statistical principle. 应用数理统计原理建立了接触线疲劳可靠性分析的数学模型。
- Pantograph and overhead contact wire system 弓网系统
- mast foundation for overhead contact wire system 接触网支柱基础
- Budunhua Cu deposit occurs in near SN fracture at the outer contact zone in north side of of Budunhuan intrusive complex. 布敦花铜矿床产于布敦花杂岩体北侧外接触带的近SN向断裂中。
- residual diameter of contact wire 连续导线的残留直径
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
