magnetic effect of current 中文意思是什麼

magnetic effect of current 解釋
電流的磁效應
  • 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。
  • effect : n 1 結果。2 效能，效果，效力，效應，作用，功效；影響。3 感觸，印象；外觀，現象。4 旨趣，意義。5 ...
  • of : OF ＝Old French 古法語。
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. The magnetic mechanical engineering technology is a new high - level technology in the current world, which uses the permanent magnetism materials to engage in the research, development and production of the permanent magnetism effect parts, including the magnetization parts, magnetism - droved machinery, magnetoelectricity machinery and so on

    磁機械工程技術是當前世界新興的高水平的一項學科技術，是應用永磁材料從事磁化器件、磁驅動機械和磁電機械等永磁效應組件的研究、開發、生產；並逐步實現技術產業化、產品社會化的系統工程。
  2. According to more effect, when the hore component is placed in a gradient field, at the same time the direction of the current is perpendicular to the direction of the voltage, then between the two parallel side face come out the hore voltage. when hore component is set in this kind of uni - gradient magnetic field and the electric current is unchanged, the voltage output of hore component will be proportional to the position of the hore component in the magnetic field. so we can use the hore component to measure the movement of hore component against magnetic field

    根據霍爾效應可知，置於磁場中的霍爾元件若電流方向與磁場方向垂直，則在霍爾元件垂直於磁場和電流方向的兩個側面將產生電勢，將霍爾元件置於強度隨空間位置線性變化的磁場中，且控制電流恆定，輸出就正比于霍爾元件處于磁場中的位置，因此可以用霍爾元件來測量磁場與霍爾元件間的相對位移量。
  3. Magnetic field of circular flat capacitor and magnetic effect of displacement current

    圓形平板電容器的磁場與位移電流的磁效應
  4. Three parts are included as follows : first of all, the basic circuit equation of radial pm generator for autos is given. the effect of reciprocity of pm and winding ' s magnetic force upon winding ' s inductance and current upon magnetic circuit saturation are analysed. according to these, we can obtain optimized design

    首先，從本課題採用的徑向式結構的三相永磁同步發電機的物理模型出發，得出其基本電路方程式，並分析了永磁磁動勢與繞組磁動勢間相對位置的不同而對繞組電感不同的影響，相電流對磁路飽和效應的影響，為車用永磁發電機的優化設計提供了理論依據。
  5. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  6. In 1982, cui qi and two other colleagues discovered fqhe, an unexpected and major discovery in quantum physics. our understanding of the quantum effect of electric current in a magnetic field has been pushed to new frontiers

    1982年崔琦和兩合作者發現了fqhe ，這是近年來量子物理學中完全出乎意料的重大發現，將電流在磁場中的量子現象引入了新的領域。
  7. In the case of thin slot, taking the effect of wall thickness into account, the coupler is analyzed with the slots replaced by equivalence magnetic current using the equivalence principle. the integral equation system is fonned and calculated by the moment method

    對于細長縫隙的情況，考慮了波導壁厚，利用等效原理將縫隙等效為磁流源在主波導和耦合波導中的作用，根據電磁場連續性條件建立積分方程，並用矩量法求解，進而求出耦合器的散射參數。
  8. The integral method is adopted caculate and analyze to amf three - dimension distruction which is the structure of coil type four - pole and the structure of coil type double - pole and study the size of two kind of electrode structure axial magnetic flux density distribution and its fielduniformity. the finite - element method is used simulate that eddy current has effect on amf when contact tray of douple - pole amf structure is slotted or no

    本文採用積分方法對本文設計的線圈式兩極縱向磁場觸頭結構和線圈式四級縱向磁場觸頭結構的縱向磁場三維分佈進行了計算分析。研究了電弧燃燒期間兩種觸頭結構縱向磁場強度的大小、均勻性，利用有限元法模擬線圈式兩極縱向磁場觸頭結構的觸頭盤開槽和不開槽時渦流對縱向磁場的影響。
  9. We have investigated transport properties of electrons in magnetic quantum structures under an applied constant electric field. the transmission coefficient and current density have been calculated for electron tunneling through structures consisting of identical magnetic barriers and magnetic wells and structures consisting of unidentical magnetic barriers and magnetic wells. it is shown that the transmission coefficient of electrons in a wider nonresonance energy region is enhanced under an applied electric field. the resonance is suppressed for electron tunneling through double - barrier magnetic ( dbm ) structures arranged with identical magnetic barriers and magnetic wells. incomplete resonance at zero bias is changed to complete resonance at proper bias for electron tunneling through dbm structures arranged with different magnetic barriers and magnetic wells. the results also indicate that there exist negative conductivity and noticeable size effect in dbm structures

    對磁量子結構中電子在外加恆定電場下的輸運性質進行了研究.分別計算了電子隧穿相同磁壘磁阱和不同磁壘磁阱構成的兩種磁量子結構的傳輸概率和電流密度.計算結果表明，在相當寬廣的非共振電子入射能區，外加電場下電子的傳輸概率比無電場時增加.對于電子隧穿相同磁壘磁阱構成的雙磁壘結構，共振減弱；對于電子隧穿不同磁壘磁阱構成的雙磁壘結構，無電場作用時的非完全共振在適當的偏置電壓下轉化為完全共振，這時的電子可實現理想的共振隧穿.研究同時表明，磁量子結構中存在著顯著的量子尺寸效應和負微分電導
  10. 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。
  11. In the hall effect, hall electromotive force is not only related to the current density, magnetic field and the distance of the poles, but also to hall coefficient directly

    據知，霍耳效應中輸出的霍耳電動勢除了跟輸入的電流強度、磁場強度及輸出電極的間距有關外，還與霍耳系數成正比。
  12. There are many kinds of tactile sensors based on resistance, piezoelectricity effect, pyroelectricity effect, capacitance, magnetic conduction ， etc. this paper reviews the current development of tactile sensing technology at home and abroad, and points out their advantages and disadvantages

    本文介紹了國內外觸覺傳感器技術發展的現狀，並介紹了一些典型觸覺傳感器的設計方法，分析了它們各自所具有的優點和所存在的缺點。
  13. Combined with the research project of the advanced performance of wire rope in the port cranes, a key technological problem of the ministry of communications, this dissertation investigated the stress - effect on the magnetic flux leakage ( mfl ) of wire ropes and the law of the mfl signal changes during wire rope fatigue testing by experiments and modern signal processing methods based on the ferromagnetic theory, being aimed at the present problems of current wire rope testing technology. the characteristic parameters and quantitative descriptive specifications for wire rope defective signal were analyzed in detail. this dissertation present a novel method of quantitatively evaluating locate faults ( lf )

    本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件的高性能技術研究」 ，針對當前鋼絲繩電磁檢測技術中所存在的問題，以鐵磁學為理論基礎，以試驗和現代數字信號處理技術為手段，對鋼絲繩漏磁信號的應力效應、鋼絲繩疲勞損傷歷程中的漏磁信號變化規律做了深入的研究，對鋼絲繩缺陷信號的特徵參數和缺陷的定量描述指標做了詳細的分析，提出了一種局部缺陷的定量逼近方法。
  14. Abstract : it was studied by us that new technologies using strong pulsed magnetic field and electric current were applied to refine metal ' s solidified structure. these technologies improved remarkably the solidified structure of ly12 aluminum alloy and made the solidified grains more equiaxed and apparently finer compared with that of the normal sample, which is of more dendrite grains. the stronger the strength of the pulsed electromagnetic field, the better the improvement effect was. the refinement mechanisms of the new technologies were analyzed theoretically. new phenomena and problems occurred in our experiments were also pointed out in this paper

    文摘:提出了用強脈沖磁場和電流細化金屬凝固組織的新工藝.與未經磁場或電流處理的凝固樣品相比，強脈沖電磁場能夠顯著地改善ly12鋁合金的凝固組織，使晶粒明顯細化、球化，電磁場的強度愈強，這種改善效果愈明顯.對該新工藝的細化機理進行了理論分析，同時，指出了實驗中的新現象和新問題
  15. The sandwiched films with the structure of 2. 5um / 2um / 2um and 2u m / 2um / 2 u m have been prepared by covered - module method. gmi effect will be studied in deposited and annealed samples with variation of magnetic field, driving frequency and current

    用掩膜法制備了每層厚度為2 m和2 . 6 m的三明治膜，將研究退火前後樣品的gmi效應，包括隨磁場、驅動頻率、交流幅值的變化。
  16. On this basis, draw magnetoelastic movement stability equation of thin current - carrying plates under the effect of electric magnetic field and machinery load

    並在此基礎上，得出了載流薄板在電磁場與機械荷載共同作用下的磁彈性動力穩定性方程。
  17. The paper proves that in the 2d non - linear case, the coulomb gauge is been meet naturally. in the paper, the second - order isoparametric fem is adopted in the non - linear transient magnetic field simulating excited by current source and the results of transient field and static field solved by the second - order isoparametric and linear fem are compared and analyzed, besides, the effect of the eddy currents in the magnetic materials of the different conductivity is analyzed, it is obtained that the magnetic material of high magnetic conductivity and low loss should be chosen in designing of pma

    文中採用二次等參元有限元法推導出在電流源激磁下的非線性瞬態磁場的計算方法和編制了相應的計算程序，並採用二次等參元有限元法和雙線性有限元法分別對瞬態場和靜態場進行了計算，並對計算結果進行了誤差分析，此外，還對不同電導率的導磁材料中渦流產生的影響進行了分析，得到結論設計永磁操動機構時，應選擇導磁性能好，損耗低的導磁材料。
  18. The last part concludes that mr dampers is one of the very attractive control elements in semi - active control. as one of mixed model mr dampers, armature piston ' s mr dampers have principle designs good function and better practical value, it ' s worth to popularize use. about the armature piston ' s mr damper ' s designs, the space of work, the diameter of wok and the length of magnetic pole have obvious affects to the force of mr dampers, mr fluid materials should be paid attention, input electric current affects mr dampers greatly the high current increases the damping force, the effect of reduce vibration increase obviously,

    最後，論文給出了結倫：磁流變液阻尼器是半主動控制裝置中非常吸引人的控制元件之一，混合工作模式的磁流變阻尼器結構簡單，阻尼效果比流動模式和剪切模式均要好，是一種比較理想的磁流變阻尼器；電樞活塞式磁流變阻尼器作為混合模式磁流變阻尼器的一種結構形式，其結構設計合理，性能良好，具有較強的實用價值，值得在工程中推廣應用；在電樞活塞式磁流變阻尼器的設計中，應特別注意工作間隙h 、工作直徑d 、磁極長度卜都對阻尼器的阻尼力有明顯的影響，並注意選用合適的磁流變液材料；輸入電流對磁流變阻尼器的阻尼效果影響很大，輸入大電流時阻尼力明顯增大，減振效果明顯提高。
  19. Skin effect is the tendency for alternating current to flow near the sruface of the conductor in lieu of flowing in a manner as to utilize the entire cross - sectional area of the conductor. this phenomenon causes the resistance of the conductor to increase. the magnetic field associated with the current in the conductor causes eddy currents near the center of the conductor which opposes the flow of the main current near the center of the conductor. the main current flow is forced further to the surface as the frequency of the alternating current increase

    表面疚是指交流電流較傾向于導體的表面傳導而非流經整個導體截面的趨勢，這些現象會造成導體的電阻提高，與導體中的電流有關的磁場在導體中心部位產生過電流而阻礙了中心部位的主要電流，當交流電的頻率增加時，主要電流的流向會進一步被推擠到導體表面。
  20. Based on current resolving method of nonlinear finite element equations, the magnetic field distribution of typical operations are obtained. through the analysis of calculating results, this paper presents the effect of the synchronous generator operational parameters on the magnetic field non - linearity

    在已有的非線性有限元方程求解方法的基礎上，利用現有的計算條件，本論文計算了若干典型工況的磁場分佈，通過對這些計算結果的分析，研究的同步發電機端部運行參數對磁場非線性的影響。
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