镀银中心铜导体的顺利，详细的生产。
Silver-plated copper center conductor for smooth, detailed sound production.
这就把它们和在转子处使用永磁铁而非一套铝或铜导体的同步发动机区分开来。
That distinguishes them from synchronous motors that use a permanent magnet in their rotors instead of a set of aluminium or copper conductors.
用铜导体将两个电池和电压表相连，以便使热电动势(VEMF)引起的误差减到最小。
Copper conductors connect the cells to the voltmeter to minimize errors due to thermoelectric EMFs (VEMF).
然而要在电网中用超导体完全取代铜导线，目前仍然有一些技术障碍，最关键的问题是费用。
However, there are still some technological hurdles to overcome before superconductors replace the copper wires in our power grids. The main issue is cost.
相比同样粗细的铜导线，他们的输电能力高达150倍，但因为技术困难，超导体输电的商业应用发展缓慢。
They conduct 150 times the electricity of similarly sized copper wires. However, because of technological difficulties, the commercial development of superconductor power-cable systems has been slow.
我们认为铜和银是良导体。
而几年前又发现用铁代替铜的新型超导体。
Another new class of superconductors, based on iron instead of copper, was discovered a couple of years ago.
铜是电的良导体。
美国超导公司CEOGregYurek声称在长期看来，超导体传输电缆的费用将会低于增加新的地上铜电缆。
American superconductor CEO Greg Yurek says that in the long run, the cost of superconductor transmission cables will be below that of adding new aboveground copper power lines.
他们声称，用陶瓷的高温超导体替换电网中的铜铝线缆，电网容量将提高5倍，同时减少电力浪费。
They claim that by replacing the copper and aluminum wires in the grid with a ceramic, high-temperature superconductor, the lines could have five times the capacity and waste less electricity.
银是最好的导体，其次是铜。
但制造商仍继续使用铜，因为它是一个更好的热导体。
But manufacturers continue to use copper because it's a better conductor of heat.
金属都是导体，其中使用最普遍的是铜。
Metals are conductors, but copper is most commonly used of all.
除了铜，还有很多其它金属都是良导体。
In addition to copper, there are many other metals which are good conductors.
银、铜和铝是良导体。
铜是热的良导体。
该研究结果为铜氧化物超导体的应用和机理研究提供了相应的正电子实验资料。
These experimental results give the corresponding positron experiment data for the application of cuprate superconductors and study of the mechanism.
铜是传热的良导体。
半导体器件上铜层化学机械抛光(CMP)的第一道工序一般需要使用一块硬抛光垫，在磨去阻挡层的工序中要用到软垫。
Typical chemical mechanical polishing (CMP) of copper layers on semiconductor devices involves using a hard pad in the first step and a soft pad for the barrier layer removal step.
一般说来，金属都是良导体，其中以银为最好，铜次之。
In general, all the metals are good conductors, with silver the best and copper the second.
本文分析了老式TN1-200型凸焊机的导电方式及导体部份的通水导体太笨重，耗铜量大的原因；
The conducting way, heavier waterway of conductor and the cause of copper consumption for the old TN1-200 projection Welding machine are analyzed in this paper.
从键价的概念出发，对氧化物超导体中铜离子的有效电荷进行了计算。
Effective valences of copper in superconducting oxides were calculated from the concept of bond valence.
本文从理论和实验上指出：在多纤维复合超导体中，基体铜的直流电阻呈现明显的尺寸效应。
The obvious size effects of electrical resistance of copper in multifilamentary superconducting composites have been pointed out in this paper.
很多金属例如银、铜、金和铝都是好的导体。
Many metals, such as silver copper, gold and aluminum are good conductors.
还有，为了暴露出铜—殷钢—铜以便与热传导体接触，使用二氧化碳激光器把绝缘材料从印制板边缘除去。
Also, dielectric was removed from the edges of PWBs using a carbon dioxide laser to expose the CIC for attachment of a heat transfer connector.
利用铜代替铝作为超大规模集成电路的互连接线，代表了半导体工业的重要转变。
Shift from al to Cu interconnects in Ultra-Large Scale Integrate (ULSI) is important for semiconductor industry.
变电站接地网导体的连接要求稳定可靠，在铜接地网中显得尤为重要。
The connection of the conductors of the substation ground network is required to be stable and reliable, especially of the copper ground network.
铜是最好的热传导体，其导热能力约为铁的7倍，铁的导热能力是水的100倍，而水的导热能力是空气的25倍。
Copper is the best conductor of heat, having about 7 times the conducting power of iron, while iron conducts 100 times as well as water, and water has 25 times the conductivity of air.
合成了掺氟汞基铜酸盐超导体。
合成了掺氟汞基铜酸盐超导体。
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