有效磁場 的英文怎麼說

中文拼音 [yǒuxiàocíchǎng]
有效磁場 英文
effective field
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 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] （...
  • 有效 : effective; valid; efficacious
  • 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. A novel method to reduce crucible erosion is by suppressing thermal convection currents, which can be done by applying a magnetic field to the melt.

    減少坩堝侵蝕的有效方法是對熔體施加磁場以抑制熱對流的流動。
  2. Power mosfet is adopted to switch heavy current of magnet core in order to control rotating magnetic field effectively

    為了使磁場得到有效控制，本文採用功率nosfet實現電磁線圈大電流的開關。
  3. A new model was presented in a three dimensional geographic coodinate system to describe the linear growth of r - t instability so that the effects of magnetic inclination and declination were taken into accont. it is an generalization of former theories from equatorial to mid - latitude regions. from this model one can see the influence of magnetic strength, inclination and declination. due to the magnetic effects, the occurrence rate of the instability is not symmetric in longitudes even at the magnetic equator. some occurrence peaks or valleys will appear in certain places around the world

    從三維地理坐標系出發建立模型，考慮了地磁傾角和偏角的影響，研究spread - f現象的全球分佈特點，是對以前的研究從赤道地區向中低緯度地區的推廣。從該三維模型中可以看到地磁場的大小和位型的影響包括磁傾角和磁偏角的效應。由於地磁位型的不同，發生率的分佈並不具有經度對稱性，即使在磁赤道附近也如此。
  4. Fem analysis of the internal magnetic field and inductance of cylindrical conductor by accounting for the skin effect and eddy currents

    考慮趨膚效應和渦流效應的柱形導體內部磁場和內部電感的有限元分析
  5. This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw

    基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性，定位方案等多方面考慮，尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法，並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體，利用體外的組合電磁線圈產生加載電流控制的驅動磁場，其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成，通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度，作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩，從而有效地完成驅動動作要求。
  6. While the magnetic field on the earth which traps charged particles encircling the earth into radiation belts called the van allen belts normally protects our planet from the solar wind, it may be deformed in the event of violent solar wind, resulting in a geomagnetic storm on earth

    雖然地球上的磁場能將環繞地球的帶電荷粒子困於其輻射帶van allen belts ，一般能有效阻擋太陽風，但在猛烈太陽風情況下它可能受影響而變形，導致地磁暴的出現。
  7. While the magnetic field on the earth ( which traps charged particles encircling the earth into radiation belts called the van allen belts ) normally protects our planet from the solar wind, it may be deformed in the event of violent solar wind, resulting in a geomagnetic storm on earth

    雖然地球上的磁場能將環繞地球的帶電荷粒子困於其輻射帶（ vanallenbelts ） ，一般能有效阻擋太陽風，但在猛烈太陽風情況下它可能受影響而變形，導致地磁暴的出現。
  8. The modified traveling wave monopole model is employed in simulating the electron beam in crt of computer vdu. meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results. a novel analyzing method is proposed to study the spectrum of electromagnetic information leakage based on the viewpoint of field point, which has been verified effective by experiments

    採用經修正的行波單極子模型模擬計算機陰極射線管顯示器電子束，並詳細研究了電子束的加速場，首次給出了其計算公式和實驗測試結果；還提出了一種新的從場點出發的信息電磁泄漏頻譜分析方法，實驗證明了其有效性； 3
  9. In the light of the status that there are caustic faults in the oil well tubing and there are not effective inspections, in this paper the plane roundness fault model of the is studied, and the magnetic leakage flux distributing model at the direction of the normal of the roundness fault is proposed

    針對油管容易遭到腐蝕性損傷而目前缺乏有效檢測手段的現狀，本文系統的研究了平面圓形缺陷模型，提出了圓形缺陷的法線分量漏磁場的實驗分佈模型。
  10. In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa

    本文設計出三種樣品預構件，研究脈沖大電流加熱條件下片狀材料、線狀材料和球形顆粒之間的原子擴散過程，弄清脈沖大電流加熱條件下原子擴散與一般燒結和焊接過程中原子擴散的區別，以證實特殊的電場和磁場是否對原子的擴散有推動作用，揭示脈沖大電流加熱條件下原子的擴散過程，探索脈沖大電流熱加工技術快速高效的原因。
  11. For amf contact structure, raising axial magnetic field density is an effective way to raise breaking current density in certain range

    對于縱向磁場結構，在一定范圍內提高其縱向磁感應強度是提高其電流開斷密度的有效途徑。
  12. In order to improve the efficiency of the permanent canned - motor pump, and decrease electromagnetics effect of the liners in designing the permanent magnet canned - motor pump. the main parameters of the permanent canned motor pump have been calculated with the finited element method, the eddy - current of the liners also have been studied deep and systematically in this dissertation

    為提高永磁屏蔽電泵的效率，減少永磁屏蔽電泵設計中屏蔽套電磁影響問題，本文對永磁電泵電磁場進行了有限元分析，計算了主要參數，對屏蔽套的渦流問題進行了分析研究。
  13. So the related mechanism studies of the cellular signal transduction have advantages for investigating biological effects of ele - emf

    對極低頻電磁場信號轉導過程的研究，有利於揭示其生物效應的機制。
  14. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  15. Therefore, it is an efficient way to dilute cro2 granules for enhancing extrinsic mr, due to the formation of new metal - insulator microstructure, which adjusts natures of barrier. in much of work published, much interest involves the fabricating technique and magnetotransport of cro2 ferromagnet, experimentally

    因此，採用cro _ 2 -絕緣顆粒復合的方法，以形成新的微結構來調整顆粒界面狀態和隧穿勢壘性質，是降低外磁場、增強外稟磁電阻效應的有效手段。
  16. 2. the derivation of the effective magnetic field expression for the ferromagnetism materials with applied stress

    地磁場中受力鐵磁性材料有效場表達式的推導。
  17. The binding energies and the ground state energies of hydrogen impurity in a lens - shaped quantum dot ( gaas / inl - xgaxas ) under vertical magnetic field using effective mass approximation and variation method have been discussed

    利用有效質量近似、變分法，研究了垂直磁場下透鏡型量子點（ gaas / in1 - xgaxas ）摻入類氫雜質后基態能和結合能。
  18. And this biology reaction provides certain precondition for the cure of diseases. for instance, when magnetic field starts to do effect on human body, it will help to convey nutrition and oxygen to tissue cells of every part of the body as well as transmit waste made by tissue cells to the outside by expanding the blood vessel, speeding up blood current and improving blood circulation. as quite a number of diseases are usually caused by blood circulation disturbance, the magnetic field is able to satisfy the demand of tissue cells in both aspects, hence, cure the above diseases

    磁場雖然看不見，摸不著，但它是一種物理能量，物理治療因素，作用到人體后，在體內引起一系列生物學效應，而這些生物效應，為治療某些疾病提供了條件，舉個例子說：磁場作用到人體后，可使血管擴張，血流加快，改善血液循環，可以把組織細胞需要的營養物質氧氣送到全身各處組織細胞，又可把組織細胞的代謝廢物帶走，而不少病癥與血液循環障礙有關，磁場可以幫助「滿足」組織細胞的兩方面需要，與以上有關的疾病就可以得到治療。
  19. Abstract : the effects of magnetizing methods on the effective magnetic field strength showing the defects in the holes with short distances in magnetic particle inspection were studied by calculation

    文摘:通過計算研究小間距孔磁粉探傷時不同磁化方法對顯示缺陷的有效磁場強度的影響。
  20. Based on the theoretical calculation and the magnetic performance index, so - called " effective magnetization intensity ", an optimized scheme for a permanent magnetic thin film array is proposed, which is " given 10 m thickness film, the optimized size of the units is 40 m 40 m, while the distance between them is 10 m " finite element methods is employed to characterize the magnetic properties of a permanent magnetic thin film array with magnetic anisotropy

    在此基礎上，按照永磁薄膜陣列的「有效磁化強度」磁性能優化指標，求出了一個較理想的永磁薄膜陣列設計方案：對10微米厚的永磁薄膜，陣列單元為40 m 40 m ，間距為10 m 。本文利用有限元分析方法初步研究了各向異性永磁薄膜陣列的磁性能，得到了關于永磁薄膜陣列的磁化特徵，驗證了解析計算採用的均勻磁化假設的合理性，同時分析了磁場中永磁薄膜受到的磁力與薄膜厚度的變化關系。
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