無力磁場 的英文怎麼說

中文拼音 [wúlìcíchǎng]
無力磁場 英文
force-free field
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 無力 : 1 （沒有氣力） lack strength; feel weak 2 （沒有力量） unable; incapable; powerless 3 [醫學] acra...
  • 磁場 : [物理學] （傳遞運動電荷或電流之間相互作用的物理場） magnetic field
  1. Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils

    其次，為全面了解這種新型電磁電機的電磁特性和動力特性，本文從電機磁場的基本方程及其邊界條件出發，應用無旋磁場的標量磁位概念，建立了端面搖擺式電磁微電機內部磁場的數學模型，並以此為基礎，詳細分析了電機氣隙磁場的各方面性質，對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。
  2. At the same time, on the basis of above results, the stability problem of the polarization of particle self - spin is discussed in irregular magnetic field of accelerator. the discovery that the low degree polarization system is very sensitive to the irregular magnetic field while the high degree polarization system is very stable is found. the irregular fluctuation of the vertical ponderance is complementary to that of the horizontal ponderance due to the self - spin conservation

    同時，在此基礎上，利用su （ 2 ）代數動力學方程研究了加速器中帶自旋離子的極化對磁場的含時無規擾動的穩定性問題，發現：低度極化的系統對磁場無規擾動十分敏感，而高度極化的系統對磁場無規擾動十分穩定；自旋守恆導致自旋的縱向分量的無規漲落和橫向分量的無規漲落存在著互補性。
  3. As novel concept actuators, ultrasonic motors have been attracting intensive attention at home and abroad with their outstanding features such as low speed and high torque, large holding torque, rapid response, light weight and compact sizes, simple structure, and no magnetic disturbance, etc. traveling wave ultrasonic motors are especially attracting researchers ’ interest for their good controllability and flexible constructions

    超聲波馬達作為一種全新的驅動器，以低速大轉矩、靜態保持力矩大、響應速度快、體積重量小、結構簡單以及無磁場干擾等優點受到國內外的廣泛關注，其中行波超聲波馬達以其控制性能良好和結構靈活等優點尤為引人矚目。
  4. This is not entirely frivolous; a strong magnetic field, for instance, can constrain electrons to move only along the field lines.

    這不是完全無價值的，例如，強磁場可約束電子使之只能沿著場力線運動。
  5. As novel concept actuators, ultrasonic motors have been attracting intensive attention at home and abroad with their outstanding features such as low speed and high torque, large holding torque, rapid response, light weight and compact sizes, simple structure, and no magnetic disturbance, etc, and which have been applied to many fields

    超聲波電機作為一種全新的驅動器，以低速大轉矩、大靜態保持力矩、響應速度快、體積重量小、結構簡單以及無磁場干擾等優點受到國內外的廣泛關注，並在眾多領域得到了應用。其中駐波超聲波電機具有驅動和控制電路簡單，轉速平穩，波動較小等突出優點。
  6. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵磁發電機的基本結構與繞線式異步電機相同，其定子側接電網，轉子上採用三相對稱分佈的勵磁繞組，由變頻器提供對稱交流電勵磁，且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制，從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速，使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力，性能超越傳統同步發電機和感應發電機，因而有著廣闊的應用前景。
  7. Some perspective views and complements on the paper [ 3 ] are made, which may improve our understanding the computation problem of solar magnetic field

    摘要對「關于太陽線性無力場評注和快速傅氏分析法的應用的評論」一文，提出些看法和補充，以增進對無力場計算太陽磁場問題的進一步的認識。
  8. Left this three - dimensional map of local gravity and magnetic field variations shows a multi - ringed crater called chicxulub named after a village located near its centre

    圖左因其中心點位於墨西哥奇求魯布附近而得名的奇求魯布隕石坑，其多重環狀結構在這幅引力及磁場變化圖中無所遁形。
  9. The programme will focus on their interesting physical and orbital characteristics, as well as groundbreaking amazing discoveries that are being made in recent decades. ( left ) this three - dimensional map of local gravity and magnetic field variations shows a multi - ringed crater called chicxulub named after a village located near its centre

    （圖左）因其中心點位於墨西哥奇求魯布附近而得名的奇求魯布隕石坑，其多重環狀結構在這幅引力及磁場變化圖中無所遁形。
  10. The dynamic character of the rotor system is the same as that without magnetic field when the magnetic field frequency is over a critical frequency, and the sinusoidal magnetic field cannot control the dynamic performance of the disk type mr fluid damper

    當磁場的頻率高於一個臨界頻率后，轉子系統的動力特性與無磁場時的動力特性相同，正弦磁場不能夠控制磁流變流體阻尼器的動力特性。
  11. Insulation shell in a new induction shaft coupling is a main element to solve leakiness of magnet pump, it often works in changing magnetic field so that eddy current is produced, and eddy current results in wastage and decreasing the efficiency

    摘要磁力聯軸器中內外轉子間的隔離套是磁力泵實現無泄漏的主要零件，由於磁力聯軸器工作時，隔離套便處在變化的磁場中，則其內部將產生渦流，導致渦流損耗和傳遞效率降低。
  12. The general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展，主要介紹磁偶極子，有限長磁偶極線和極帶，磁粉顆粒的受力，磁化場方向對磁粉顯現缺陷的影響，棒料、管材和方鋼的縱向磁化，工件表面溝槽深度對其引起漏磁場的影響，周向磁化時工件底棱上的雜亂顯示成因，圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  13. Abstract : the general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    文摘:簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展，主要介紹磁偶極子，有限長磁偶極線和極帶，磁粉顆粒的受力，磁化場方向對磁粉顯現缺陷的影響，棒料、管材和方鋼的縱向磁化，工件表面溝槽深度對其引起漏磁場的影響，周向磁化時工件底棱上的雜亂顯示成因，圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  14. A new bearingless induction motor system with five degrees of freedom is developed including a bearingless induction motor and a permanent magnet biased axial - radial magnetic bearing. the control strategy of bearingless induction motor based on air - gap flux orientation is introduced, and the decentralization pid control is used to maintain equal air in the five degrees of freedom. the digital controller guarantees rotor suspension steadily, and the speed of rotor reaches 3000 rpm

    闡述了無軸承異步電機的氣隙磁場定向控制策略，採用該非線性控制方法能使無軸承異步電機解耦成轉矩子系統和磁懸浮徑向力子系統，從而可以採用經典pid對這兩個獨立的子系統進行控制，首次實現了系統在0 3000rpm轉速范圍內的穩定懸浮。
  15. The magneto - elastic motion equation and the electrodynamic equation of the thin strip conductive plate in a leaning magnetic field are derived on the basis of the principle magneto - elastic theory, and the characteristic equations of the vibration of the plate supported along two long sides are obtained as well

    摘要以磁彈性基本假設為出發點，給出了傾斜磁場中無限長條形薄板的磁彈性運動方程及電動力學方程，並推得了兩長邊簡支薄板的磁彈性振動特徵方程式。
  16. They do not need to go to the operating theatre and the prosthesis can be extended without additional surgery. there is a powerful magnet mounted inside the prosthesis. the patient simply needs to put his leg inside a specially - designed magnet driving machine to undergo the lengthening process and can be discharged immediately after the extension process

    最新一代金屬骨伸延儀器更是無創性設計，病人無須入手術室，只須把已植入金屬骨的腳放進機器內，機器便會產生巨大的磁場，醫生透過磁力作用，操作金屬骨內的組件，讓它慢慢伸延，每次伸延的長度為4mm 。
  17. The magnetic bearing is a novel type, high performance bearing, which suspend the rotor by magnetic force without any mechanical contact between rotor and stator

    磁懸浮軸承是一種利用磁場力將轉子懸浮於空中，使轉子與定子之間實現無機械接觸的一種新型高性能軸承。
  18. I can think of several possible reasons : we are encaged in this physical body and it blocks us a lot. although at the time of initiation master opened the gate of wisdom that connects us to the almighty power of the universe, we still cannot reach the state of " perfect connection " like she has. this is because we do not have enough power of concentration and our strong egos hamper us from making use of all our latent power

    我想到幾個可能的原因：我們受到這個物質的肉體阻擋頗多，雖然印心時，師父已幫我們打開和宇宙整個大力量相通的智慧之門，然而由於我們專注力不夠加上許多的我執，還無法完全發揮潛能，像師父一樣達到全通的境界而且不但我們自身的無線收發器通訊不良，外在磁場中的雜訊也很多。
  19. And flux distributions and radial force of an induction type bearingless motor is analyzed employing the finite element method. relationships between the radial force and radial force winding currents are influenced by magnetic saturation. it was shown that the generated radial force reaches its maximum value due to magnetic saturation

    首次運用有限元方法對該電機進行了深入的研究，充分展現了無軸承異步電機特有的氣隙磁場分佈、驗證了穩定磁懸浮力產生的條件、指出了磁飽和對磁懸浮力的影響、利用有限元方法修正了磁懸浮力數學模型。
  20. It is similar to saturn and jupiter in many respects, like the atmosphere composition, the internal heating mechanism, the presence of magnetic field, existence of many satellites and a ring system, etc. the streaks in the following photo are background stars not related to the ring

    它和土星木星在很多方面十分相似，例如大氣成分內部熱力轉化機制行星磁場及擁有光環和大量衛星等等。下圖中白色的光跡是背景星和天王星的環無關。
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