magnetic dipole 中文意思是什麼

magnetic dipole 解釋
磁極
  • magnetic : adj. 1. 磁（性）的；（可）磁化的。2. 吸引人心的；有魅力的。3. 催眠術的。
  • dipole : n. 【物、化】1. 偶極。2. 偶極天線。
  1. We only observe the small portion of the magnetic field that extends to the surface and beyond, where its basic structure is a dipole that is, a simple north south field like that of a simple bar magnet

    我們僅僅觀察到擴展到地表和地表以外的磁場的一小部分，在這里它的基本結構是一個偶極子，就像一個簡單的棒磁鐵一樣是一個簡單的南北極磁場。
  2. The approximation analysis result of band dipole model is obtained on the basis of the theory of mfl. the electromagnetic distribution feature of the defect in the steel panel is studied by means of simulation. the leakage magnetic distribution of the two defects and four defects plural and the defects in the column differently in the width are also assayed. conclusions that factors affecting flaw magnetic leakage to the panel also affect the column and magnetic leakage bx should be the feature of the flaw identification to several flaws are drawn

    在對漏磁檢測原理進行詳細介紹的基礎上，得出了帶偶極子模型的近似解析解，並以有限元數值模擬分析為主要手段，以鋼板上缺陷為對象，分析了各因素對缺陷漏磁場產生影響的不同規律，同時模擬分析了板上平行的兩條裂紋，四條裂紋以及柱體上寬度不同時的裂紋的漏磁場分佈特徵，得出結論:影響板上缺陷漏磁場的諸因素會對柱體上缺陷漏磁場產生同樣的影響;對于多條裂紋，宜用漏磁分量bx作為缺陷識別的特徵量。
  3. Only magnetic dipole and higher multipole configurations occur in nature.

    自然界中只能出現磁偶極子以及磁多極子的形式。
  4. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。
  5. The " allowed " electric dipole ( el ) transitions will encounter strong competition from " forbidden " transitions, i. e. magnetic dipole ( ml ), electric quadruple ( e2 ) and other higher order transitions, the transitions rates for the forbidden decay scale with higher powers of z than those of el transitions, the effects of quantum electrodynamics ( qed ) also scale with higher power of z. accelerator - based beam - foil spectroscopy ( bfs ) is an important method for spectroscopic studies of highly ionized atoms

    在高離化態原子中，磁相互作用明顯增強， 「允許的」電偶極（ e1 ）躍遷將遭到來自磁偶極（ m1 ） 、電四極矩（ e2 ）和其它高次的「禁戒」躍遷的強烈競爭，禁戒躍遷幾率隨核電荷數z增加而迅速增加，此外量子電動力學效應也隨著z增加而增強。
  6. The main origin of the perpendicular magnetic anisotropy in tbco amorphous films is the static interaction between the aspheric distribution charges of non - s tb ions and the aberrant crystal field produced in sputtering and deposition process. the magnetic dipole interaction is in a secondary cause

    對于tbco非晶垂直磁化膜而言，具有非球對稱電荷分佈的非s態離子tb與濺射沉積薄膜過程中產生的畸變晶格場之間的靜電相互作用構成了tbco非晶薄膜垂直磁各向異性的主要部分， tbco薄膜內的磁偶極相互作用構成了其次要部分。
  7. Finish electric dipole radiation. qualitative aspects of electric quadrupole and magnetic dipole radiation

    31結束電偶極輻射之討論。定性解釋電四極特性及磁偶極輻射。
  8. In this thesis, studies are made on the problem of time - harmonic electromagnetic fields excited by an arbitrary current dipole in spherical conductor. the problem is presented in eddy - current nondestructive test and geophysical prospecting. under the condition of magnetic quasi - static state, the boundary - value problem about modified magnetic vector potential is solved and the analytical solution is obtained

    本論文針對渦流無損檢測和地球物理勘探領域用到的球導體中時諧電流元的電磁問題做了研究，在磁準靜態近似下，求解了修正磁矢量位的邊值問題，獲得了問題的解析解，並利用通用有限元分析軟體做了數值驗證。
  9. The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory

    摘要利用磁偶極子理論，建立穩恆微弱地磁場作用下管類試件線狀缺陷段產生的漏磁場模型。
  10. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢測傳感器，獲得管道軸截面漏磁場切向分量的漏磁信號；研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法；分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性，研究了漏磁信號的小波去噪方法。
  11. Magnetic materials - methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method

    磁性材料.用拔出或旋轉法對鐵磁材料試樣的磁偶極矩的測量方法
  12. Based on an analysis of the formation mechanism of induced current in underground pipelines, the author holds that, where underground media show very poor conductance, underground pipelines are dominated by magnetic dipole lines, and where underground media have certain conductance, pipelines are equivalent to electric wires

    摘要通過對地下管線中的感應電流形成機理分析，本文認為，當地下介質導電性很差時，地下管線以磁偶極線為主；而當地下介質存在一定的導電性時，管線則等效于電流線。
  13. A. c. magnetic dipole field

    交流磁偶極子場
  14. Broadside magnetic dipole

    橫向磁偶極子
  15. We describe how magnetic fluid ' s inner structure transforms with the time under all kinds of conditions using magnetic dipole model and magnetic chain model. and using effect field theory we analyze the mechanisms of the magnetic particles being chains, change of the chains and reciprocity in chains. so we can make out that the transmissivity varies with the magnetic fluid ' s inner structure

    利用磁偶極子模型和磁鏈模型描述了磁性液體在各種條件下內部結構隨時間的變化，並用有效場理論解釋了磁性微粒成鏈，鏈的變化以及鏈間相互作用的機理，從而說明了由於磁性液體內部結構變化導致的光透射率的變化。
  16. 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。
  17. 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。
  18. Magnetic materials - part 14 : methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method

    磁性材料.第14部分:用拔出或旋轉法測量鐵磁材料試樣磁偶極矩的方法
  19. Magnetic materials - part 14 : methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method iec 60404 - 14 : 2002 ; german version en 60404 - 14 : 2002

    磁性材料.第14部分:用拔出或旋轉法測量鐵磁材料試樣
  20. Thus ， for instance ， it may come as a shock to mathematicians to learn that the schrodinger equation for the hydrogen atom is not a literally correct description of this atom ， but only an approximation to a somewhat more correct equation taking account of spin ， magnetic dipole ， and relativistic effects ； and that this corrected equation is itself only an imperfect approximation to an infinite set of quantum field - theoretical equations

    因此，舉例來說，對數學家而言，了解到下述情形可能會令其驚愕不已，即薛定諤（ schrodinger ）的氫原子方程式並非是對該原子作出的一種絕然正確的描述，而僅僅是個近似值，趨近於一個在某種程度上更為正確的將自旋、磁性偶極子、以及相對論效應考慮在內的方程式；而這個得以糾正的方程式就其本身而言也只是一個不完美的近似值，趨近於無窮無盡的一整套量子場論方程式。
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