超导

The thermal stability of binary current leads was discussed briefly by means of Minimum Quench Energy.Lastly experiment research was reported on cryocooler cooled magnet made up of Bi-2223/Ag tapes. The descension curve and steady temperature distribution of magnet were achieved.

最后以Bi-2223磁体为样品，建立超导磁体直接冷却实验装置，得到超导磁体冷却过程的降温特性以及稳态温度分布，并对不同的冷却方案及结果进行分析比较，为实际设计超导磁储能低温系统提供了参考依据。

The superconductor generators that are to be utilized for 10 MW-class superconductor wind turbines are based on proven technology AMSC has developed for superconductor ship propulsion motors and generators under contracts with the U.S. Navy. AMSC announced the successful completion of full-power testing of the world's first 36.5 megawatt high temperature superconductor ship propulsion motor at the U.S.

用于10 MW风机的超导发电机是基于美国超导公司为美国海军成功研发的超导舰船推进电机和发电机的技术基础上开发的。2009年1月，我们设计、生产的36.5 MW超导舰船推进电机在美国海军的费城联合电力系统陆地测试基地成功地通过了满载测试。

The development of superconductors promotes the development of the applied technology of superconductivity.

超导材料的发展促进了超导应用技术的发展，超导技术在电力系统中具有非常广阔的应用前景，是21世纪电力科学技术最具发展潜力的应用之一。

With the rapid development of superconductor and power electronics, SMES arouses people's more and more attention.

随着超导技术和电力电子技术的飞速发展，超导储能技术引起了人们越来越多的关注；在超导储能系统中，电流调节器是十分重要的环节。

ABSTRACT The aim of the project is to prepare the high temperature superconducting thin films which can satisfy the need of future applications in the field of power transmission. By using biaxially textured Ni (001) and Ag (110) as substrates, the YBCO films with high critical current were obtained under the optimized deposition conditions. Some results were obtained as follows: We developed a simple approach to prepare YBCO films doped with Ag nanograins.

本工作的研究目的是在金属基带上制备出能够满足未来超导强电应用的超导薄膜小样品，其具体的做法是在双轴织构的Ni（001）和Ag（110）基带上外延YBCO高温超导薄膜，经过不断地优化工艺条件，我们得到如下结果：发展了一种在YBCO薄膜中掺入Ag颗粒的方法，这种方法具有可以随时改变掺杂量的特点。

The influence of sintering temperature and composition on the microstructure of Y-Ba-Cu-O superconducting ceramic prepared by reactive sintering was investigated. While the oxide powders react and sinter into the superconductor, transient liquid phase can disappear rapidly, and equilibrious liquid phase can promote the anisotropic growth of superconducting grains and isolate the grains.

本文运用X射线衍射、光学金相、扫描电子显微分析、热分析等材料研究手段研究了Y-Ba-Cu-O和Bi-Pb-Sr-Ca-Cu-O两个体系超导陶瓷的超导相与显微组织的形成过程，着重研究了液相在此过程中的作用，同时考察了显微组织与超导性能间的关系。

And a relative preparation is characterized in that according to mol ratio (0.8-0.975):(1.8-1.95):(0.010-0.15):(0.010-0.15) to prepare and mix Mg powder, B powder, C nanometer powder, and SiC nanometer powder uniformly to be filled into an iron tube or iron-copper composite tube to be sealed, rotationally forges, draws and rolls to obtain MgB2 superconductive material containing C and SiC nanometer powder, or tablets the raw powder mixed uniformly via a tablet press, to obtain MgB2 superconductive block containing C and SiC nanometer powder, arranges obtained band or block in a vacuum furnace, vacuums and fills argon gas, keeps temperature for 0.2-3h at 600-1200DEG C, and obtains MgB2 superconductive material containing C nanometer powder and SiC nanometer powder.

制备这种MgB 2 超导材料的方法，其特征在于，将Mg粉，B粉，C纳米粉，SiC纳米粉按照摩尔比(0.8-0.975)∶(1.8-1.95)∶(0.010-0.15)∶(0.010-0.15)配制并混合均匀，装入铁管或铁铜复合管中密封后，按顺序先后进行旋锻、拉拔、轧制，得到含C和SiC纳米粉的MgB 2 超导线材；或者将混合均匀的原料粉用压片机进行压片，得到含C和SiC纳米粉的MgB 2 超导块材；将得到的线带材或块材放置真空炉中，抽真空后充入氩气，在600℃-1200℃保温0.2-3小时，最终得到含有C纳米粉和SiC纳米粉的MgB 2 超导材料。

Work on mesoscopic superconducting films has demonstrated interesting new features associated with the interplay between fluxions and artifacts.

在超导材料方面，生长出具有国际一流水平的氧化物高温超导单晶；在铁基高温超导材料方面，获得最高的超导转变温度；在超导机理的研究方面，建立了一些行之有效的手段，如低温比热、隧道谱、角分辨光电子谱、红外光电导谱等等，利用这些重要手段获得了一些重要结果，如从比热角度提出欠掺杂氧化物超导体应该具有一个费米弧基态，利用高精度角分辨光电子谱测量第一次观察到115meV和150meV两个新的高能量精细结构。

The model of an inductive current-limiting device consists of a primary high-Tc superconducting coil, a high-Tc superconducting cylinder ring as the secondary winding, an iron core and a sub-cooled nitrogen cryostat with a cryocooler.

另外，还提出了一种新型磁屏蔽感应型HTSCFCL，它由一次超导绕组、二次超导圆柱形屏蔽筒、铁芯和液氮冷冻箱组成，利用超导绕组和超导筒，从超导态转变到正常态时，其阻抗的快速上升而限流。

The results show that this attenuator, which is 12mm×8mm×0.5mm and works at low temperature, can be used alone or integrated into HTS system to decrease system volume and weight. Insertion loss of this attenuator is about 0.2dB, whose magnitude is one order lower than that of a conventional attenuator. Attenuation step about 0.01dB can be achieved, which is 1~2 orders lower in magnitude than conventional attenuators.

主要结论如下：光控高温超导微波可变衰减器在液氮温区工作，电路尺寸为12mm×8mm×0.5mm，可单独使用也可集成于高温超导系统中，可大幅减小系统的体积与质量；高温超导衰减器的插损小于0.2dB，比常规衰减器低1个量级；高温超导衰减器的可变衰减步进值小于0.01dB，比常规衰减器低1~2个量级。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。