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- Uses: cold welding of nonferrous metals such as Cu Al Ag Ni Pt Sn Zn Ta and some of their alloys. 产品用途:对铜、铝、金、银、铂、锡。钽铌等有色金属线材及他们部分合金线材的焊接。
- Uses: cold welding of nonferrous metals such as Cu Al Ag Ni Pt Sn Zn Ta some of their alloys. 产品用途:对铜、铝、金、银、铂、锡。钽铌等有色金属线材及他们部分合金线材的焊接。
- Compared with conventional material (ZQAL 12 8 3 2),propeller model made of Cu Al Be alloy could efficiently restrain propeller singing and reduce noise level. 用Cu-Al-Be合金和原实艇螺旋桨材料ZQAL12-8-3-2分别制作参数相同的模型桨,在相同的56种工况下对比试验表明:用Cu-Al-Be形状记忆合金制作的螺旋桨能够完全抑制由共振产生的异常噪声唱音,有显著的减振降噪作用。
- 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。
- X PHASE IN A Cu Al Ni Mn Ti ALLOY Cu Al Ni Mn Ti合金X相
- 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
- 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。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- interaction between pantograph and contact wire 弓网关系
- Al causes operated to bring about the war. 那场战争的起因有几个。
- 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。
- The concert included works by Mozart et al. 音乐会上演奏莫扎特等人的作品。
- 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