相對導磁率 的英文怎麼說

中文拼音 [xiāngduìdǎo]
相對導磁率 英文
relative permeability
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 率名詞(比值) rate; ratio; proportion
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  1. Magnetic materials - methods for the determination of the relative magnetic permeability of feebly magnetic materials

    性材料.弱性材料的的測定方法
  2. Test method for measuring relative complex permittivity and magnetic permeability of solid materials at microwave frequencies

    測量微波頻下固體材料復合電容的試驗方法
  3. Standard test method for measuring relative complex permittivity and relative magnetic permeability of solid materials at microwave frequencies

    微波頻下固體材料復介電常數和測量標準試驗方法
  4. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米論返波振蕩器,分析了引場、二極體電壓、電子束流、電子束半徑、周期慢波結構等器件的輻射功及輻射效的影響。
  5. The bragg diffraction efficiency of gows in bismuth - doped yig film is caculated by considering the edge cut - off effect. the obtained theoretical curve is basically agreement with the experimental results. it is shown that the diffraction performance for mo bragg cells can be greatly increased by using an appropriately nonuniform bias field

    2 .考慮到邊緣截止效應,論文中計算了靜正向體波波光的衍射效,理論結果與實驗符合;從而表明,與均勻場情形比,適當不均勻場可以大大提高光bragg器件的衍射效
  6. The effect of static magnetic field on the growth of eschrichia coli was discussed by the sensitive response of spqc sensor to the conductivity of solutioa a relative frequency shift response model was derived on the basis of theory analysis and the relative parameters were estimated

    利用spqc傳感器溶液電的靈敏響應,探討了了一定強度的靜大腸桿菌的生長狀況的影響。在理論分析的基礎上,出了關的頻移響應模型,估計了有關參數。
  7. Imported from germany, elevator kiln produce high frequency, low power loss material : nh2c equivalent to tdk pc44 and high initialpermeability material : nh13a ui 13000. advanced controlling technique of internalatmosphere and temperature curve to ensure its excellent performance, their high quality and stable character will meet telecom and networkcustomers strictly demand. we specialized in manufacturings. m. p. s transformers, inductors

    公司引進德國鐘罩爐設備,採用先進的爐內氣氛控制方法和特殊的氣氛曲線,生產高頻低損耗功鐵氧體nh2c材料當于tdk pc44及高鐵氧體nh13a材料ui 13000 ,充分滿足客戶網路通訊用芯在性能和穩定性上近似苛刻的要求。
  8. Especially, they are characteristic of low price and perfect absorbability, so they can be an important absorbent in radar absorbing materials

    鐵氧體既具有亞鐵性又有介電特性,簡諧微波電場來說,其介電系數均呈現復數形式。
  9. In order to improve the behavior of transformer protection that is incomplete at present in distinguishing magnetizing inrush current from fault current, the paper puts forward a kind of new principle of transformer differential protection after analyzing the characteristic of magnetizing inrush and active power consume of transformers. this protection uses differential protection based on positive sequence active power as a criterion to discriminate internal faults from magnetizing inrush, and ratio restraint differential current protection as a signal to touch off the protection

    當前電力系統中變壓器保護由於勵涌流鑒別理論不完善而致的誤動較高的問題,論文在分析了變壓器勵涌流特性和有功損耗的基礎上,提出了用變壓器正序有功功差動作為區別勵涌流和故障電流的判據,並以成熟的比制動差流保護作為內外部故障判據的變壓器主保護。
  10. 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

    于傳統真空燒結, sps燒結方式成速度快、樣品晶粒細小均勻、 mgb2超芯緻密性好、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場的增加, sps燒結樣品的臨界電流密度下降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 。
  11. 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

    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阱和不同阱構成的兩種量子結構的傳輸概和電流密度.計算結果表明,在當寬廣的非共振電子入射能區,外加電場下電子的傳輸概比無電場時增加.于電子隧穿阱構成的雙壘結構,共振減弱;于電子隧穿不同阱構成的雙壘結構,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,量子結構中存在著顯著的量子尺寸效應和負微分電
  12. The fatigue accumulation damage of the component has something to do with its model, different model causes different damage speed on the component which will show different magnetic memory characters. the paper build the mathematics model of wave shape of orders con - wave and accumulation damage distribution on several boundary conditions, combining theory deducing, simulation analysis and experiment validation, deducing the relation among fatigue accumulation damage degree, damage speed and magnetic memory characteristic parameters

    振動構件疲勞累積損傷與振型有關,不同振型引起的損傷速不同,具有不同的記憶特徵。本文將理論推、模擬分析和實驗驗證結合,建立多種邊界條件下的各階諧波波形與累積損傷分佈的數學模型,推疲勞累積損傷度、損傷速記憶特徵參量的關系,並利用模擬試驗系統驗證和完善,實現利用記憶方法這類累積損傷構件進行早期診斷的目的。
  13. Synergistic effect exists when the shell thickness of the micrometer iron - nano iron core - shell structure composite particles is about 120nm, at which the permeability greatly increases. the real part and the image part of the permeability at 2 ghz obviously greater by 25 % than the corresponding values of the iron microparticles and iron nanoparticles

    微米鐵-納米鐵核殼復合粒子在殼層厚度為120nm時,有極大提高,表現出協同效應;在2ghz處實部、虛部均高於應的納米或微米粒子應值的25以上。
  14. The simulation results show the existence of both limits and optima for the studied parameters, related to the stable operation and the maximum efficiency, respectively. underlying the conditions that the longitudinal guiding magnetic field is 1. 8t, diode voltage is 250 kv, the impedance is 150, we got a peak power as high as 100 mw for the tm01 mode at 38ghz

    經優化設計,本文給出了一個論亞納秒毫米波返波振蕩器的物理模型,在引場為1 . 8t 、二極體電壓為250kv 、阻抗為150的情況下得到了超輻射狀態下輸出微波峰值功為100mw 、中心頻為38ghz 、模式為tm _ ( 01 )模的微波輻射。
  15. Recent studies have shown that the quantum coherent population trapping, electromagnetically induced transparency, index enhancement without absorption, etc. these new effects have great potential for the control of the coherence properties of a medium, the production of high frequency lasers, the information storage and high precision measurements

    最近的研究表明,原子干產生很多新的效應,如干布居捕獲、無反轉激光、折射增強、電透明、電吸收等。這些新效應光學介質干性質的控制、高頻激光的產生、光信息存儲和高度測量等方面具有巨大的應用前景。
  16. Recent studies have shown that the quantum coherence and interference have led to a lot of new effects such as coherent population trapping, electromagnetically induced transparency, index enhancement without absorption, etc. these new effects have great potential for the control of the coherence properties of a medium, the production of high frequency lasers, the information storage and high precision measurements

    最近的研究表明,原子干產生許多新效應,如干布居捕獲、無反轉激光、電透明、折射增強等。這些新效應光學介質干性質的控制、高頻激光的產生、光信息存儲和高度測量等方面具有巨大的應用前景。
  17. The probability in the probability tomography method is defined with the degree of correlation or fitting in this paper. the methods of the definitions of the scan functions and the occurrence probability functions, the electric field under the tm model and the magnetic field under the te model, are given respectively. we also have brought forward the correlation probability tomography method of magnetotelluric field - derivative and the waveform function - fitting probability tomography method, and have analysed and tested these methods in the way of the selection of the setting field and the capability of noise - standing, etc with synthetic models

    本文用關程度和擬合程度兩種概定義方法進行概成像,給出電場tm模式下的電場和te模式下的場概成像方法中各自的掃描函數的定義方法和異常源的發生概的定義原則,提出了數場關概成像方法和波形函數擬合概成像方法,並從背景場的選擇和成像方法的抗噪性能等方面成像方法進行理論分析和數值模擬實驗。
  18. 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出在電流源激下的非線性瞬態場的計算方法和編制了應的計算程序,並採用二次等參元有限元法和雙線性有限元法分別瞬態場和靜態場進行了計算,並計算結果進行了誤差分析,此外,還不同電材料中渦流產生的影響進行了分析,得到結論設計永操動機構時,應選擇性能好,損耗低的材料。
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