English translation for "临界电流密度"
|
- critical current density
critical cuttent density
Related Translations:
临界测量: criticality measurement 临界塑性变形: critical plastic deformation 临界成分: critical composition 临界相对湿度: critical relative humidity (crh)critical relative humidity(crh)critical relative moisturecriticalrelativemoisture 临界线: critical linecritical locus
- Example Sentences:
| 1. | Effect of precursor powder on microstructure and critical current density of - 2223 tapes 银超导带材的显微结构及临界电流密度的影响 | | 2. | Practical study about high critical current intensity in superconductor of y - ba - cu - o compound system 系超导体高临界电流密度的实验研究 | | 3. | The critical current density of pure mgb2 is comparable to that of triniobium tin at low magnetic fields but falls off much more rapidly at higher fields 在低磁场下,硼化镁的临界电流密度与三铌化锡相当,但是在较高的磁场下却下降得很快。 | | 4. | Currently one of the major challenges associated with making mgb2 a useful superconducting material is to increase its critical current density at higher magnetic fields 要将硼化镁制成有用的超导材料,目前最主要的挑战之一,就是如何在较高的磁场下增加临界电流密度。 | | 5. | On the other hand , in the four years since the discovery of superconductivity in this compound , the research community has made considerable improvements in critical current density , both in the low - field value and , perhaps more important , in the higher - field values 另一方面,在发现这个化合物具有超导性的四年后,不论是在低磁场,或者是在更重要的较高磁场下,这个研究领域的专家已经将临界电流密度提高了许多。 | | 6. | The highest jc of 8 . 64 105a / cm2 at 10k , 0t was obtained in the un - doped mgb2 / fe tape sintered at 800 for 15 minutes by sps . it is worthwhile to note that the jc value was decreased much slowly in this sample with the increase of the testing temperature and magnetic field . for example , the jc was 5 . 97 105a / cm2 at 20k , 0t , and at 20k , 3t the jc value was 从目前试验结果看,掺杂量为5mol %时线材性能较好,样品的临界电流密度在自场下达到6 105a / cm2 ,并且sic掺杂改进了样品在高场下的jc值,在4t时,掺杂线材样品的临界电流密度大大超过未掺杂样品,这是由于sic的掺入生成了细小均匀的mg2si ,分布在晶粒 | | 7. | For hts maglev vehicle , cylindrical bulk superconductors with the thickness of 25mm are better to provide enough guidance force and keep enough levitation height when they are field cooled above the ndfeb guideway . the trapped flux ability of superconductors is influenced by the weak links and critical current density and can be reflected by the levitation force . it has no direct relationship with its density 超导体块材自身的密度跟它的俘获磁通能力之间并没有直接的联系,影响超导体俘获磁通能力的是超导材料内的弱连接和材料的临界电流密度,而超导体在一定外场下受到的悬浮力能够在一定程度上反映出它的俘获磁通性能。 | | 8. | Also considered is the dependence of the guidance performance of the superconductor upon such elements as geometrical and current parameters of the system , the movement of the superconductor . comparison between the experimental and theoretical results indicates the effectiveness of the method utilized in the thesis 这些元素包括以下三方面,系统的几何尺寸:高温超导体的几何尺寸、永磁导轨的几何尺寸;系统的电流参数:高温超导体的临界电流密度、永磁导轨中永磁体的均匀磁化强度;高温超导体相对导轨的运动方式。 | | 9. | It has weak - link free grain boundaries and is a kind of low cost material , . which could be used under 20k ~ 30k . however , mgb2 reveals a poor jc property in high magnetic field . currently in the research of the mgb2 wires and tapes many efforts have been made to improve its grain connection or enhance the jc dependence on the magnetic field using the method of chemical doping 二硼化镁是迄今为止所发现的超导临界转变温度最高的非铜氧化物超导材料,它具有无弱连接、成本低廉、能够在20k 30k应用等优势,但是mgb2在外场下的临界电流特性较差,目前在优化粉末套管法制备mgb2线带材工艺的研究中,通过改善晶间连接和利用化学掺杂提高样品的超导临界电流密度是mgb2成材研究的一个重要方向。 | | 10. | The x - ray diffraction , scanning electronic microscope and the squid were used to characterize the properties of the mgb2 core in mgb2 / fe tapes and wires . the effect of the proportion of mg , b and sic as well as the sintering parameters on the phase formation , microstructure and the critical current densities of mgb2 / fe tapes and wires was discussed in details . the results showed that the high purity of mgb2 core could be synthesized by both the traditional vacuum sintering and the sparking plasma sintering and the vacuum sintering environment restrained the oxidation of mg effectively 相对于传统真空烧结, sps烧结方式成相速度快、样品晶粒细小均匀、 mgb2超导芯致密性好、晶间连接优良,因而sps烧结样品的临界电流密度明显高于传统真空烧结样品,其中未掺杂的带材样品经过sps800 , 15分钟烧结后,自场下的临界电流密度jc值在10k时达到8 . 64 105a / cm2 ,而且随着测量温度和外加磁场的增加, sps烧结样品的临界电流密度下降率比传统真空烧结样品缓慢,在20k ,自场时为5 . 97 105a / cm2 , 20k , 3t时,临界电流密度值仍大于104a / cm2 。 |
- Similar Words:
- "临界电感" English translation, "临界电极" English translation, "临界电解质浓度" English translation, "临界电淋度" English translation, "临界电流" English translation, "临界电通量密度" English translation, "临界电位" English translation, "临界电位, 中肯电位" English translation, "临界电位,中肯电位" English translation, "临界电位梯度" English translation
|
|
|