您要查找的是不是:
- 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。
- Precious metal contact surfaces alleviate but do not eliminate the problem. 虽说贵金属表面可以缓解,但不能消除这一问题。
- Abstract : Objective To measure the magnitude of galvanic currents produced by different occluding metallic contact. 摘要 : 目的:测定异种合金咬合接触时产生的电流值。
- 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
- Abstract: Objective To measure the magnitude of galvanic currents produced by different occluding metallic contact. 文章摘要: 目的:测定异种合金咬合接触时产生的电流值。
- 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。
- The user wants to be able to see alertly a little only, especially batteries, metallic contact place can have apparent has used nick. 用户只要稍微留意即可看出来,非凡是电池,金属触点处会有明显的用过的划痕。
- X PHASE IN A Cu Al Ni Mn Ti ALLOY Cu Al Ni Mn Ti合金X相
- 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。
- The 4 off encapsulated Piston wear pads also ensure no metal to metal contact thus providing low friction travel. 4个无密封活塞耐磨垫确保避免金属之间的接触,因此具有很小的摩擦行程。
- Based on the special properties of the metal contact surface, on certain conditions the electromagnetic field components of the half-round waveguide are given. 根据金属界面的特殊性质,在一定条件下运用叠加法的延拓求出半圆形波导的电磁场分量。
- 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。
- Carol: Hi everybody, this is Big Al. 卡罗尔:嗨!大家好,这位是老埃尔。
- If the metal contact ring corrosive medium, and the corrosion of the metal itself is intolerant, it will have a surface corrosion, which is leaking, the early wear and tear, damage, and other audible. 如果金属环表面接触腐蚀介质,而金属本身又不耐腐蚀,就会产生表面腐蚀,其现象是泄漏、早期磨损、破坏、发声等。
- 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。
- If the metal contact ring corrosive medium, and the corrosion of the metal itself is intolerant, it will h**e a surface corrosion, which is leaking, the early wear and tear, damage, and other audible. 如果金属环表面接触腐蚀介质,而金属本身又不耐腐蚀,就会产生表面腐蚀,其现象是泄漏、早期磨损、破坏、发声等。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。