磁場分接 的英文怎麼說

中文拼音 [chǎngfēnjiē]
磁場分接 英文
field tapping
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 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] (...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • 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. To do that, cern built the antiproton decelerator, which uses electric and magnetic fields to slow the particles from near light speed to about one - tenth of that, he said

    為了要做那些, cern建造了反質子加速器,他說,使用電近光速度的粒子減慢到光速的十之一左右。
  2. A lot of domains are involved with, such as theory of electromagnetism, electrotechnics, electronics, measurement of electromagnetism. signal analysis, mechanics, cybernation, biomedicine, materials, technics, ect. the study of emc is very fargoing and the problem of emc is very complex

    它涉及的基礎知識面非常寬廣,直應用和涉及的知識有電理論、電工原理、電子技術、電測量、信號析、機械結構、自動控制、生物醫學、材料及工藝等等。
  3. Fluxgate magnetometer is a kind of vector magnetometer which has the ability of measuring the components of magnetic field directly. the fluxgate instrument is variometer based on magnetization non - linearity of " soft " magnetic material

    通門力儀是直測量地量的矢量力儀,是一種基於「軟」材料化特性的非線性的地相對記錄儀器。
  4. The vector - based plane - wave spectrum method ( vpws ) is improved, which can directly obtain the far field diffractive pattern depending on the output near field data in the bor fdtd meshes by use of the deduced formulas in this dissertation

    改進了平面波譜傳播演算法( vpws ) ,推導出的公式可以由borfdtd計算空間內的近輸出數據直計算出遠的電佈。
  5. According to biot - savart law, the general expression of magnetic field distribution generated by circular current in space has been calculated in this paper, which further discusses the magnetic field in the plane, the central axis and the far space

    摘要直由畢奧薩伐爾定律的計算公式,在更為普遍的情況下,計算出了圓形線電流在全空間的佈,並進一步討論了其在中心軸線上、平面內及遠區的感應強度。
  6. The important aspect in the analysis of coupled electromagnetic - mechanical problems is the consideration of the coupled interaction between the electromagnetic field and the deformation / force on the contact boundaries, which leads strongly non - linear behaviors

    摘要電觸耦合作用的力學析的難點是必須考慮電以及由此引起的電力與可移動觸邊界間的耦合作用,屬于強非線性問題。
  7. Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot

    Sr電機鐵心的通波形不僅與電機的相數有關,還與定、轉子齒極數、定子繞組連方式等密切相關,從而使得sr電機析很復雜,復雜的通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升,因此高性能的sr電機的熱析也成為目前的研究熱點。
  8. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永極二維氣隙的解析公式(集中電流法、佈電流法) ,同時介紹了兩種永電機氣隙計算方法(荷法,直求解拉氏方程法) ,析各種方法的優缺點,討論電機參數對氣隙密的影響; ( 2 )介紹了單層同心繞組的布置方式,根據安培定律推導出空芯動圈式直線永同步電動機的靜推力計算公式,析靜態力?位移特性; ( 3 )建立空芯動圈式直線永同步電動機動態模擬模型,模擬不同驅動方式下電動機起動、穩態運行時電力、速度、位移的變化情況。
  9. In view of the limitation of the traditional inversion theory and method of the gravity and magnetic field, professional an yulin, etc, worked in china university of geoscience, has come into being the theory system of the all - direction imagery for local gravity and magnetic sources after having researched a few years. the theory system broke through the thinking method of traditional theory system, researched all - direction imagery of the 2d local gravity and magnetic sources by means of complex function theory and researched all - direction imagery of the 3d local gravity and magnetic sources by means of spherical harmonic analysis theory, developed greatly the interpretation theory on the gravity and magnetic field

    該理論體系突破了傳統的重、解釋理論體系的思維方式,採用復變函數理論研究二維局部重源全方位成像,採用球諧析理論研究三維局部重源全方位成像,大大發展了重學科解釋理論,可以在起伏地形、有背景疊加和高頻干擾等復雜條件下,直反演加疊代修改,求解佈在有限范圍內的二維和三維重源異常的多種反演問題。
  10. Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly

    用同步電動機實現步進傳動;將步進電動機的設計思想從組合電鐵理論提高為旋轉,使增量運動系統的容量和效率發展到一個新的水平,這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論,本文首先從永同步電動機的直轉矩控制演算法入手來析。
  11. The results of simulations are : i ) energies of the incident ions to the target are determined mainly by the voltage across the cathode sheath, with a majority of ions " energy vary around the sheath voltage ; ions nearly normally bombard the target ; ions mainly locate above the sputtering holes because of the influence of the magnetic field, and the incident ions mainly come from the region ; the ions undergo several collisions during transportation, but that do n ' t matter much

    主要模擬結果有: ? )入射離子到達靶面時的能量主要受到了射頻輝光放電中陰極殼層西北工業大學碩士學位論文李陽平電壓的影響,大部離子的入射能量在陰極殼層電壓值附近,離子濺射時近於垂直入射;射頻輝光放電受到陰極的影響,等離子體中的離子主要集中在靶面濺射坑的上方,且入射離子主要來自這個區域;入射離子在輸運過程中和背景氣體子有少量的碰撞,但影響不太大。
  12. 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

    交流勵發電機的基本結構與繞線式異步電機相同,其定子側電網,轉子上採用三相對稱佈的勵繞組,由變頻器提供對稱交流電勵,且勵電壓的幅值大小、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大小、相對于轉子的位置和電機的轉速,使得交流勵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。
  13. Compared with traditional oxygen detection methods, there are several advantages using this sensor : no oxygen consumption and reference electrode are needed ; no electronic current is needed and no disturbances happen if there is a magnetic field outside ; the intensity of the phosphorescence has n ' t relation to the stir and flow rate of the sample ; the response is rapid

    與傳統的測氧方法相比,它在測量過程中不消耗氧,不需要參比電極,不用連電流,不受外界電干擾,與樣品流通速率和攪拌速率無關,響應速度快。因此,近幾十年來,磷光傳感器的研究十活躍。
  14. 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鐘燒結后,自下的臨界電流密度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 ,自時為5 . 97 105a / cm2 , 20k , 3t時,臨界電流密度值仍大於104a / cm2 。
  15. The paper establishes mathematics model of electromagnetic heating system of eddy current field and temperature field, and gives corresponding discrete format with elements as eight nodes, hexahedron equal cell, through calculating eddy - current field to gain the internal heat source that the temperature field needed, to use discrete method to solve the problem of induction - heating part ' s temperature field by axial symmetrical electromagnetic, and then to analyze the characteristic of instantaneous temperature field

    本文建立了電加熱系統的渦流和溫度耦合的數學模型,析了不同頻率下渦流和溫度的佈情況,並以八節點六面體等參元為例給出了渦流對應的離散格式,通過計算渦流獲得溫度所需要的內熱源強度,加熱部件的溫度以軸對稱格式進行離散求解,並對瞬態溫度有限單元法的求解特點進行了析。
  16. Abstract : this article analyzes the reason and influence of magnetic blow on welding arc during the welding process. through the adjusting and improving of the magnetic field distribution, adopting the anti - magnetic erasing method to eliminate the influence of magnetic blow for welding arc

    文摘:析了偏吹在焊過程中對焊電弧的影響以及產生原因,通過調整和改善焊電弧周圍佈,並採用反消法,克服和消除了偏吹對焊電弧的影響。
  17. On the basis of the result studied, three categories flaws easily turning up in the common whorl attachment are assayed by way of simulation. the result of experimental measurement verify all the conclusion from fem numerical simulation analysis 。 based on the study of the rationale of the ac - mfl, it primarily simulation studied the common whorl attachment in our country. the experimentation results go along with the simulation analysis

    螺紋構件可以看作是柱體上緊挨的多條裂紋的組合,以上述內容為基礎,以ansys模擬軟體為手段對普通螺紋構件中極易出現的三種裂紋情況(螺桿合部的缺陷,螺紋區的缺陷,螺紋尾部的缺陷)進行了建模模擬,得出了三種不同情況下佈特徵,實驗驗證了模擬析的正確性。
  18. Analysis of 3d magnetic field and optimization of static force matching characteristics for ac actuator used on contactor

    觸器用交流電鐵三維析和靜特性優化
  19. Numerical simulation of electromagnetic field and meniscus shape in soft contacting billet mold

    方坯軟觸結晶器電佈及彎月面形狀的數值模擬
  20. However flux leakage is really exist, calculation through formular analytic method has more error, so electromagnetic field analysis is made by using finite element method ( fem ) in ansys7. 1 / multiphysics and ansys / emag programs. typical quantities of interest in a magnetic analysis are available such as magnetic flux density, magnetic field intensity, magnetic forces, power loss and flux leakage in the system of magnetic levitation. then gain the current in the coil which control levitation gap when the stage is stable

    由於存在漏,用公式的解析法計算有很大的誤差,因此本文採用有限元法( fem )來計算懸浮系統佈,從而計算力,通過用ansys7 . 1軟體進行有限元電析計算,得到平臺穩定懸浮時電線圈所需電流、懸浮氣隙等控制參數,由於設計的懸浮系統為非軸對稱結構,採用2d析有一定的誤差,而採用3d電析更近實際。
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