讨论了体材料临界电流密度的提高问题。
The question of how to raise the critical current density of oxide bulk superconductors is discussed too.
详细分析了磁化曲线和磁临界电流的各向异性。
The anisotropies of magnetization curves and magnetic critical current are analysed in detail.
超导体的转变温度和临界电流密度是两个经常要测量的参数。
A superconductor's transition temperature and critical current density are two commonly measured parameters.
报道了用熔融慢冷工艺制备的YBCO的微观结构与临界电流特性。
The microstructure and critical current properties of the YBCO prepared by the melt and slowly cooling process are reported.
装置的特点是在条款电流电压曲线和约瑟夫森临界电流与外部应用磁场。
Devices have been characterized in terms of current-voltage curves and Josephson critical current vs.
各种不同直径的复合丝轧制成的超导带,都有一临界电流最高的厚度范围。
To the tapes made from composit silk with different diameter, there is a thickness range in which Jc is higher.
研究了冷加工工艺及热处理(烧结)工艺对带材微观结构和临界电流密度的影响。
The influence of cold processing and heat treating (sintering) technology on the microstructure and critical current density of strip materials have been studied.
重点论述了熔滴过渡优化控制,对各种不同焊丝的一脉一滴临界电流曲线进行了标定。
The optimal control of the droplet transfer is emphasized in this part, especially the calibration of the curve of the One-Pulse-One-Droplet critical current of various welding wires.
提出了一种基于临界电流模式的峰值电流控制技术来实现开关电源的功率因数校正任务。
A critical current mode based on the peak current control technology to achieve switching power supply power factor correction task is proposed.
在结半径比较小的情形给出电流密度分布、磁场强度分布以及临界电流值的近似解析公式。
Approximate analytic solutions of cur-rent and magnetic field distribution and the critical current are obtained when the radius of the junction is very small.
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。
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.
计算表明临界电流极强地依赖于两个晶体和结的相对取向,并在某些特殊的相对取向变为零。
The critical current depends strongly on the relative orientations among the two crystals and the junctions, vanishing in some special relative orientations.
本测试系统不仅可以测量高温超导体在不同温度下的临界电流,还可以测量其失超传播特性。
This test system can measure critical currents of high-temperature superconductor at different temperature, and can also measure quench propagation property.
因此,对高温超导体的交流损耗及临界电流与应力-应变的关系的研究具有重要的现实意义。
Therefore, the critical current and AC losses of HTS tapes are directly related to tensile stresses and strains, and it is necessary to investigate their correlations.
文章介绍了高温超导体中的“尖峰效应” ,即临界电流随着磁场增加反而升高的反常现象。
The phenomenon of the peak effect in high temperature superconductors, which is characterized by a fast increase of critical current with increase of magnetic field, is discussed.
高温超导带材的临界电流在77K不同磁场大小和方向上相差很大,表现出强烈的各向异性。
There is great difference of critical current in HTS tapes under the magnetic field with different magnitude and oritations at 77K, which shows strongly anisotropy of critical current.
本文介绍了其零场电阻,临界电流密度及机械强度性能的测量原理和方法,并给出了测量结果。
The principle and method for measuring the resistance under zero background magnetic field, critical current density and mechanical intensity are presented and some results are given.
在带材制备过程中,冷拉以后不退火直接轧制,采用大的道次压下量,均有利于提高临界电流。
During preparing silve sheathed tape, rolling after cold drawing without annealing, adopting large draught perpass were both benefit improving Jc.
通过求解该方程的解析解,给出了赝自旋阀在电流激励下的磁化翻转条件和临界电流密度的表达式。
Conditions of magnetization reversal and the corresponding critical currents were found by solving the dynamic equation analytically.
YBCO高温超导体有着广阔的应用前景,为改善其弱连接,通常要求强的c轴织构以提高临界电流密度值。
YBCO superconductor has the most promising foreground in the worldwide. To decrease its weak link and improve critical current density, high quality c-axis texture is needed.
为此,本论文研究了焊丝熔化速度的影响因素,并以高速摄像为手段研究了旋转射流过渡临界电流值的影响因素。
The influencing factors of wire molten rates are studied, and the critical current of rotating spray transfer mode is also studied by using high-speed motion analyzer.
JRT型热过载保护器临界电流检测仪采用多受检器件串联及电子变换检测线路,提高了保护器大规模生产的效率和检测的准确度。
A number of detected electric elements are series and an electronic detective circuits are adopted in the critical current detector for JRT thermal overload protector.
结果表明:大的热涨落使RF - SQUID环路有效临界电流明显下降,从而使跃迁点大大提前,跃迁宽度满足一个普适表达式。
Finally we find that the-effective critical current of RF-SQUID loop is greatly reduced by large fluctuation and the transition width can be determined with a simple equation.
首先论述了临界电流模式的峰值电流控制技术的基本思想,其次论述了采用控制芯片ucc 38051制作了一台输出功率为100w的原理样机。
Firstly it expounds peak current control technology of the critical current mode, then discusses a 100w laboratory prototype based on control chip UCC38051.
同时还给出了基于离子电流信号的临界爆震强度与转速之间的关系。
At the same time the paper studies the relation between the rotational speed and critical knock intense calculated with ion current signal average energy.
临界融冰电流随着风速的增大而增大、随环境温度的降低而增大,而与冰层厚度的大小关系不明显。
Critical current of ice-melting increases along with the increase of wind speed and the decrease of temperature increase, while the size and thickness of ice is not obvious.
临界融冰电流随着风速的增大而增大、随环境温度的降低而增大,而与冰层厚度的大小关系不明显。
Critical current of ice-melting increases along with the increase of wind speed and the decrease of temperature increase, while the size and thickness of ice is not obvious.
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