外在磁場 的英文怎麼說

中文拼音 [wàizàicíchǎng]
外在磁場 英文
exterior magnetic field
  • 外 : Ⅰ名詞1 （外面） outside; external side 2 （外國） foreign country 3 （以外） besides; beyond; in ...
  • 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] （...
  • 外在 : external; extrinsic
  • 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. 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. In theoretical analysis, the motion of radially - emitted electron beam in diode region and drift region has been analyzed, and the relation between radial momentum or current of electron beam and the guiding magnetic field has also been studied, then the possibility to optimize the guiding magnetic field has been derived. the motion of radially - emitted beam electrons in smooth bore magnetron and smooth bore milo has also been studied theoretically. at last, the motion of radially - emitted beam electrons in compound axial and azimuthal magnetic field has been studied

    在理論分析中，初步分析了軸向發射條件下電子在二極體區域和漂移區的運動規律，電子徑向動量隨著外加磁場變化的規律，以及電子束電流隨著外加磁場的變化規律，還有二極體區域磁場優化的可能性;分別研究了有軸向磁場時以及有角向磁場時徑向發射的電子在光滑陽極結構中的運動規律，最後分析了在軸向和角向復合磁場中電子的運動規律。
  3. In 1990s, a calculation of the ground - state energy of an exciton confined in a cylindrical quantum wire in the presence of a uniform magnetic field is reported as a function of wire radius, using a variational approach by gang li, spiros v. branis and k. k. bajaj. a. balandin and s. bandyopadhya present variational calculations of the ground - state exciton binding energy and exciton radius in a quantum wire subjected to an external magnetic field. these studies have been primarily responsible for our current understanding of the nature of excitonic states in a quantum wire subjected to an external magnetic field

    九十年代中期，人們就開始了關于在外加磁場時量子線中激子特性的研究， gangli ， spirosv . branis和k . k . bajaj利用變分法，對于圓柱形的量子線中激子的基態束縛能進行了計算，發現對於一個給定的磁場值，激子的基態束縛能比不加磁場時變大。
  4. It is evident from figure 42 that if a ground network contains loops there is a greater danger of it being vulnerable to emfs induced by external magnetic fields, and of ground current ' escaping " from high current areas to cause noise in sensitive regions

    從圖11 . 42可見，如果存在地線迴路，外界磁場切割地線迴路時容易出現感生電動勢，大電流電路會「四處流竄」 ，影響精密電路。
  5. Cardiogram is made according to the bioelectricity of brain cell on the basis of the principle that changing current produces magnet. thus, the biology magnetic field results from bioelectricity inside human body as well as some material magnetized by the magnetic field inside forming a residual magnetic field after the disappearance of effecting magnetic field, like lung magnetic field

    心電圖是由腦細胞的生物電流形成的，根據電動生磁的原理，故體內的生物磁場是由於體內生物電流形成的，除此之外還由於某些磁場物質的介入體內被磁化后而在外加磁場去掉后，產生的剩餘磁場，如肺磁場。
  6. Magnetic fluid shows higher saturation when it is exposed to magnetic field. in this paper, magnetic fluid is used to improve the dynamic performance of jet pipe servo valve by filling magnetic fluid in the working clearances of torque motor between armature and core

    本文利用磁流體在外加磁場作用下，具有較大磁化強度的特點，提出了在力矩馬達銜鐵和鐵芯的工作氣隙中加入磁流體，利用磁流體來改善射流管伺服閥動態性能的方法。
  7. In addition, magnetic bearing, magnetic balance, magnetically levitated electric machines, and correlative technology applications have developed. high tech productions in foreign nations have already exploited and entered market

    另外，在磁力軸承、磁懸浮天平、磁懸浮高速電機及相關技術的應用也都得到了發展，國外已經開發出這類高技術產品並已經進入市場。
  8. The x - ray diffraction, scanning electronic microscope and the squid were used to characterize the properties of the mgb2 core in mgb2 / fe tapes and wires. the effect of the proportion of mg, b and sic as well as the sintering parameters on the phase formation, microstructure and the critical current densities of mgb2 / fe tapes and wires was discussed in details. the results showed that the high purity of mgb2 core could be synthesized by both the traditional vacuum sintering and the sparking plasma sintering and the vacuum sintering environment restrained the oxidation of mg effectively

    相對于傳統真空燒結， sps燒結方式成相速度快、樣品晶粒細小均勻、 mgb2超導芯緻密性好、晶間連接優良，因而sps燒結樣品的臨界電流密度明顯高於傳統真空燒結樣品，其中未摻雜的帶材樣品經過sps800 ， 15分鐘燒結后，自場下的臨界電流密度jc值在10k時達到8 . 64 105a / cm2 ，而且隨著測量溫度和外加磁場的增加， sps燒結樣品的臨界電流密度下降率比傳統真空燒結樣品緩慢，在20k ，自場時為5 . 97 105a / cm2 ， 20k ， 3t時，臨界電流密度值仍大於104a / cm2 。
  9. We process calculations as the following : we calculate the binding energies of excitons in a square quantum - well wire in presence of a magnetic field for finite and infinite potential barrier case respectively

    A . balandin和s . bandyopadhyay也是利用變分法，採用二能帶模型計算了在外加磁場時的量子線中激子的基態束縛能。
  10. Such variations are found that due to applied magnetic field from the substrate. the aspect and brightness of the glow and the self - bias voltage for the target changes significantly

    實驗中觀察到，在外加磁場的作用下，等離子體放電的輝光的明亮程度及外貌和靶面自偏壓發生了明顯變化。
  11. So the research on these new materials is becoming more and more important. we collected and analyzed the overseas and domestic sufficient date for the optical characteristics of magneto - optic crystal. then we bring forward a research topic in varying magnetic field on some crystals optical characteristics such as the angle of rotation, the depolarization ratio and so on

    本文在對國內外有關磁光晶體光學特性研究狀況進行調研之後，從外界磁場對晶體光學特性的影響這一角度出發，在大范圍可調諧磁場下，對幾種不同的磁光晶體的光學特性，諸如faraday旋轉角、退偏度等進行了測定。
  12. Radial transit time oscillator ( rtto ) is a promising novel high power microwave source based on the radial transit - time effect. it can operate under the condition of low impedance and without external guiding magnetic fields

    徑向渡越時間振蕩器（ radialtransittimeoscillator ，簡稱rtto ）是一種前景光明的基於徑向渡越時間效應的新型高功率微波源，能在低阻抗、無外加磁場條件下工作。
  13. The aim of this paper is to search for a new type periodic slow - wave structure with filling periodically magnetized plasma, and following works are done : 1. firstly, the investigation of wave propagation characteristic in magnetized plasma with periodically changing density is done. by numerical calculation, analyze the effect of additional magnetic field and plasma density changing on the propagation characteristic

    本文的目的是探索一種周期磁化等離子體慢波結構，並做了如下的工作: 1 .對電磁波在密度周期變化磁化等離子體中的傳輸特性進行了研究，通過數值計算分析了不同外加磁場以及不同等離子體密度情況下波的傳播特性。
  14. If, while exposed to the magnetic field, the precessing nuclei are also hit with a radiofrequency ( rf ) pulse, they will absorb and re - emit energy at specific frequencies according to their rate of precession

    當暴露在外界磁場中的時候，旋進的原子核也會被射頻脈沖擊中，它們會吸收並且根據旋進率再釋放特殊頻率的能量。
  15. 2. second, the investigation of wave propagation characteristic in periodically magnetized uniformity plasma is done, in light of numerical calculation, to analyze the effect of additional magnetic field amplitude, background magnetic field and plasma density changing on the propagation characteristic

    2 .對電磁波在周期磁化均勻等離子體中的傳播特性進行了研究，通過數值計算分析了不同外加磁場幅值，背景磁場以及不同等離子體密度對波傳播特性的影響
  16. The volume expansion played a major role in determining its magnetic properties. complicated magnetic phase transitions induced by external magnetic field were found in carbonization of lafe _ ( 11. 4 ) al _ ( 1. 6 ) compound with low carbon concentration. and the temperature of phase transition depends on magnetic field strongly

    同時發現，碳含量較低時， lafe _ （ 11 . 4 ） al _ （ 1 . 6 ）碳化物在磁場誘導下呈現出有趣的復雜磁相變，相變溫度強烈依賴于外加磁場。
  17. Finally, after calculating iron loss and copper loss with the magnetic field analysis, use it as a heat source, and conduct a non - stationary analysis independently with the three dimensional thermal analysis which concentrates on the effect of the heat transfer coefficient on the temperature rise. in this paper, a bipolar switched reluctance machine system model is also established with an h bridge converter as its power circuit topology

    另外，本文還建立了雙極型sr電機系統模型，採用了h橋式功率主電路，詳細分析了其工作原理，並在磁場、損耗等方面與採用不對稱半橋變換器的傳統單極型sr電機系統進行了對比。
  18. The binding energies of excitons are calculated with the use of variational approach, we consider the mismatch of effective masses between the well and the barrier in the process of calculation, calculate and talk about the virial theorem values in square quantum - well wires in presence of a magnetic field

    本文採用變分法，在外加磁場條件下分別計算了激子在無限深和有限深方形量子線中的基態束縛能。在計算的過程中進一步考慮了阱，壘中粒子有效質量不匹配的影響，最後我們計算並討論了外加磁場情況下的維里定理。
  19. In discrete dynamical systems, a new ogy strategy with new control start condition and feed - back control parameters is proposed. according to the new strategy, the chaotic motions of a bloch wall, which is located in the zy plane experienced the action of an alternating external magnetic field, are analyzed and controlled

    利用此方法對一類在zy平面上受到可變外部磁場作用的bloch系統的混沌運動進行了控制，結果表明，方法成功地抑制了系統的混沌運動，說明此方法的改進是合理和有效的。
  20. 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。
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