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- Using algebraic dynamics, the Landau system in a rotating magnetic field has been solved and the general geometric phase is calculated. 基于代数动力学;精确求解了旋转磁场中的朗道系统;讨论了它的一般几何相位;给出了一般量子几何相位中对应于规范势的那部分相位的经典对应.
- Three-phase motors inherently produce a rotating magnetic field. 三相电机会自动产生旋转的磁场。
- Electricity is a non-compatible energy flow in a magnetic system. 在一个磁性系统中,电性是一个不兼容的能量流。
- Slip is more usually expressed as a fraction of rotating magnetic speed. 电机转差率通常表示为旋转磁场转速的百分比。
- Elated, Tesla submitted several patent applications that broadly covered the principle of a rotating magnetic field. 特士拉很兴奋地送出好几个专利的申请,可以广泛地涵盖转动磁场的原理。
- The headphone features a neodymium magnet system for accurate reproduction and balanced sound. 此款耳机的特色是钕磁铁系统能够精确的再现和平衡声音。
- Objective: To investigate the effect of transrectal heat rotating magnetic field in the treatment of obstinate hemospermia. 目的:探讨经直肠热旋磁按摩治疗顽固性血精症的有效性。
- Now, he is carrying on the design of Toroidal Field Magnet System for EAST(HT-7U) superconducting tokamak and one M. 可招收机械、电磁等相关专业的硕士学位研究生。
- He surmised that the rotating magnetic field could be created using AC instead of DC, but at the time he did not know how to achieve this feat. 他推测以交流电(不是直流电)以产生旋转的磁场,不过当时他还不知道要怎麽实现这种技术。
- Superconducting magnet system for MHD propulsion research project has been constructed and tested successfully. 本文简单介绍了磁流体船舶推进用超导磁体系统的研制及实验结果。
- The magnet system is a two row highly efficient neodymium construction in a moulded chassis of ceramical carbon steel. 磁体采用双排高效率钕磁体,嵌入模制陶瓷化表面碳钢底座。
- By using a coherent state method,we prove that the geometric phase of the spinor in rotating magnetic fields to be one half of the solid angle that the spinor states sweep. 运用相干态方法,本文证明了中子在旋转磁场中的几何相位是粒子态矢量在态空间中扫过的立体角的一半,同时提供了一种几何相位在周期演化中的简单算法。
- We solve the Dirac function with magnetic field and deduce the thermodynamic potential of the magnetic system. 为此,我们导出了磁场中Dirac方程的解并列出了磁场中系统在零温下巨热力学势的解析解。
- The simulating results for a magnetic system with single free random demonstrate the effect of the method. 对单自由度磁悬浮系统的仿真结果证明所提设计方法的有效性。
- Mechanization is the result of electrical and radioactive tones of creation in a magnetic system, which creates straight-line movement. 机械化是电性及辐射性造物音调在磁性系统中的结果,它创造了直线运动。
- To calculate the position and number of passive shimming ferromagnetic elements, a simulation algorithm is designed for magnetic resonance imaging(MRI)permanent magnet system. 实验结果表明,该方法能够有效地指导无源匀场工作,得到满意的匀场效果。
- If balanced three-phase current flow through these three-phase distributed windings,a rotating magnetic field of constant amplitude and speed will be produced in the air gap and will induce current in the rotor circuit to produce torque. 如果平衡型三相电流流经这三相分布式绕组,将在气隙中产生振幅及速度稳定的旋转磁场,并会诱发电流在转子回路产生转矩。
- The optimization of binary current leads is one of the key technology in the low temperature superconducting magnet system directly cooled by refrigerator. 二元电流引线是制冷机直接冷却低温超导磁体系统的关键技术之一。
- Because of the large number of devices involved, ABB rejected the idea of battery power for many of its wireless sensors and developed an ingenious solution in the form of a rotating magnetic field generated by electric cables that surround the work area. 因为涉及的设备数量较多,ABB否决了对其众多无线传感器利用电池供电的理念,而是开发了一个独创性的解决方案,通过工作领域周围的电线产生的旋转磁场供电。
- With the research and development of superconducting technique and refrigerating technique , the superconducting magnet system has more and more application at present . 随着超导技术和制冷技术的相互促进和共同发展,超导磁体系统已得到越来越广泛的应用。