您要查找的是不是:
- Using algebraic dynamics, the Landau system in a rotating magnetic field has been solved and the general geometric phase is calculated. 基于代數動(dòng)力學(xué);精確求解了旋轉磁場(chǎng)中的朗道系統;討論了它的一般幾何相位;給出了一般量子幾何相位中對應于規范勢的那部分相位的經(jīng)典對應.
- Three-phase motors inherently produce a rotating magnetic field. 三相電機會(huì )自動(dòng)產(chǎn)生旋轉的磁場(chǎng)。
- Electricity is a non-compatible energy flow in a magnetic system. 在一個(gè)磁性系統中,電性是一個(gè)不兼容的能量流。
- Slip is more usually expressed as a fraction of rotating magnetic speed. 電機轉差率通常表示為旋轉磁場(chǎng)轉速的百分比。
- Elated, Tesla submitted several patent applications that broadly covered the principle of a rotating magnetic field. 特士拉很興奮地送出好幾個(gè)專(zhuān)利的申請,可以廣泛地涵蓋轉動(dòng)磁場(chǎng)的原理。
- The headphone features a neodymium magnet system for accurate reproduction and balanced sound. 此款耳機的特色是釹磁鐵系統能夠精確的再現和平衡聲音。
- Objective: To investigate the effect of transrectal heat rotating magnetic field in the treatment of obstinate hemospermia. 目的:探討經(jīng)直腸熱旋磁按摩治療頑固性血精癥的有效性。
- Now, he is carrying on the design of Toroidal Field Magnet System for EAST(HT-7U) superconducting tokamak and one M. 可招收機械、電磁等相關(guān)專(zhuān)業(yè)的碩士學(xué)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. 他推測以交流電(不是直流電)以產(chǎn)生旋轉的磁場(chǎng),不過(guò)當時(shí)他還不知道要怎麼實(shí)現這種技術(shù)。
- Superconducting magnet system for MHD propulsion research project has been constructed and tested successfully. 本文簡(jiǎn)單介紹了磁流體船舶推進(jìn)用超導磁體系統的研制及實(shí)驗結果。
- The magnet system is a two row highly efficient neodymium construction in a moulded chassis of ceramical carbon steel. 磁體采用雙排高效率釹磁體,嵌入模制陶瓷化表面碳鋼底座。
- 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. 運用相干態(tài)方法,本文證明了中子在旋轉磁場(chǎng)中的幾何相位是粒子態(tài)矢量在態(tài)空間中掃過(guò)的立體角的一半,同時(shí)提供了一種幾何相位在周期演化中的簡(jiǎn)單算法。
- We solve the Dirac function with magnetic field and deduce the thermodynamic potential of the magnetic system. 為此,我們導出了磁場(chǎng)中Dirac方程的解并列出了磁場(chǎng)中系統在零溫下巨熱力學(xué)勢的解析解。
- The simulating results for a magnetic system with single free random demonstrate the effect of the method. 對單自由度磁懸浮系統的仿真結果證明所提設計方法的有效性。
- Mechanization is the result of electrical and radioactive tones of creation in a magnetic system, which creates straight-line movement. 機械化是電性及輻射性造物音調在磁性系統中的結果,它創(chuàng )造了直線(xiàn)運動(dòng)。
- To calculate the position and number of passive shimming ferromagnetic elements, a simulation algorithm is designed for magnetic resonance imaging(MRI)permanent magnet system. 實(shí)驗結果表明,該方法能夠有效地指導無(wú)源勻場(chǎng)工作,得到滿(mǎn)意的勻場(chǎng)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. 如果平衡型三相電流流經(jīng)這三相分布式繞組,將在氣隙中產(chǎn)生振幅及速度穩定的旋轉磁場(chǎng),并會(huì )誘發(fā)電流在轉子回路產(chǎn)生轉矩。
- The optimization of binary current leads is one of the key technology in the low temperature superconducting magnet system directly cooled by refrigerator. 二元電流引線(xiàn)是制冷機直接冷卻低溫超導磁體系統的關(guān)鍵技術(shù)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. 因為涉及的設備數量較多,ABB否決了對其眾多無(wú)線(xiàn)傳感器利用電池供電的理念,而是開(kāi)發(fā)了一個(gè)獨創(chuàng )性的解決方案,通過(guò)工作領(lǐng)域周?chē)碾娋€(xiàn)產(chǎn)生的旋轉磁場(chǎng)供電。
- With the research and development of superconducting technique and refrigerating technique , the superconducting magnet system has more and more application at present . 隨著(zhù)超導技術(shù)和制冷技術(shù)的相互促進(jìn)和共同發(fā)展,超導磁體系統已得到越來(lái)越廣泛的應用。