磁導計 的英文怎麼說

中文拼音 [cídǎojì]
磁導計 英文
ferrometer
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  1. Symmetrical double yoke permeameter magnetic bridge

    對稱雙軛磁導計
  2. Standard test method for measurement of hydraulic conductivity of porous material using a rigid - wall, compaction - mold permeameter

    使用剛性壁壓縮模式磁導率計測量多孔性材料液壓導電率的標準試驗方法
  3. We introduce the fabrication of all samples and anneal of fexcu ( 1 - x ) granular film in detail. the configuration of granule film is investigated by scanning tunneling microscope ( stm ). the matter phase is analyzed by x - ray diffraction ( xrd ). the hysteresis loop of co / al2o3 / feni magnetic tunnel junction is studied by vibrating sample magnetometer ( vsm ). we use microresistance test system ( mts ) to investigate the character of resistance, conductance, voltage and current

    用掃描電子顯微鏡（ stm ）觀察顆粒膜樣品的表面形貌；用x ?射線衍射儀（ xrd ）對顆粒膜樣品進行物相分析；用振動樣品磁強計（ vsm ）對co al _ 2o _ 3 feni隧道結的磁滯回線作了研究；用微電阻測試系統對樣品電阻、電導、電流、電壓相關特性進行詳細的研究。
  4. Based on it the electromagnetic response under different depths of the 3 dimensional geologic body with different resistivities, magnetic conductivities and dielectric constants is simulated

    據此，可模擬計算任意具有不同電阻率、磁導率和介電常數的三維地質體在不同深度條件下的電磁響應。
  5. 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磁磁極二維氣隙磁場的解析公式（集中電流法、分佈電流法） ，同時介紹了兩種永磁電機氣隙磁場計算方法（磁荷法，直接求解拉氏方程法） ，分析各種方法的優缺點，討論電機參數對氣隙磁密的影響； （ 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磁同步電動機的靜推力計算公式，分析靜態力?位移特性； （ 3 ）建立空芯動圈式直線永磁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、穩態運行時電磁力、速度、位移的變化情況。
  6. Superconductivity - ac loss measurements - magnetometer methods for hysteresis loss in cu nb - ti multifilamentary composites

    超導性.交流電損耗測量. cu nb - ti多絲復合超導體磁滯損耗的磁強計測量法
  7. Superconductivity - part 13 : ac loss measurements ; magnetometer methods for hysteresis loss in cu nb - ti multifilamentary composites

    超導性.第13部分:交流電損耗測量. cu nb - ti多芯復合超導體磁滯損耗的磁強計測量法
  8. It is wider and wider used in many fields for example broadcast, television, electronic meter, computer etc. permeability is an important parameter of soft magnetic

    它在廣播、電視、電子儀表、計算機等領域中得到越來越廣泛的應用。磁導率是軟磁鐵氧體材料的基本參數之一。
  9. By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion

    由此得出結論，在非線性磁場計算中：採用迭代法的情況下，在各迭代循環之間進行磁導率修正時，一個欠鬆弛迭代過程是必需的；對永磁體中的等效電流修正時可以不作欠鬆弛迭代；在純鐵的磁化曲線上指定某一個固定的磁感應強度為磁飽和值，會使得插值求出的磁導率在該磁飽和值附近有一突變，這一突變對計算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統設計中，由於微波管磁路比較復雜，作者認為磁體的工作點並不能很好地反映磁體的工作狀態，而採用平均磁能積為衡量磁體工作狀態的標準更加符合微波管磁系統的實際情況；要表示磁系統設計好壞的程度，則用磁能利用的效率為標準更好。
  10. Standard test method for direct current magnetic properties of materials using d - c permeameters and the ballistic test methods

    用直流磁導計和沖擊試驗法測定材料的直流磁性能的標準試驗方法
  11. So, only the permeance value should be calculated again when the dynamic performance is considered

    因而在計算電機的動態性能時，不需要重新進行劃分，只需要計算動態時的各部分的磁導即可。
  12. We calculate the relationships between the distribution of the magnetic field and the parameters of the uccc. we find that the uccc can be used to realize both single - and double - channel magnetic guiding of cold atoms

    通過對橫向磁場的計算和分析，發現u -型載流導體方案既可以實現單通道原子磁導引，也可以實現雙通道原子磁導引。
  13. In the case of single - channel magnetic guiding, we calculate the relationship between the guiding efficiency and electric current or the transverse temperature of atomic beam. we also propose several atom - optical elements base on the uccc

    本文也計算了單通道磁導引情況下，原子導引效率和電流、原子束橫向溫度之間的關系，並採用u -型載流導體構建了多種原子光學器件。
  14. By magnetic field analysis for the stage, three formulas reached : one is magnetic road magnetic force calculational formula of magnetic levitation system that except flux leakage, the second is magnetic driving force calculational formula for open magnetic road dc linear motor, the third is magnetic flux density calculational formula for dc linear motor. these formulas make reference for design, analysis and control

    本文對磁懸浮定位平臺進行了電磁場分析，推導出磁懸浮系統不計漏磁的簡單磁路、磁力計算公式和原理樣機所採用的開磁路直流直線電機推力及磁通密度計算公式，為設計、分析及控制提供參考。
  15. First, we make the basic need of magnetic circuit clearly, present the theory formulation for permanent magnetic circuit of radial polarization using the method of analyzing the theory of magnetic circuit of axis polarization, and program the calculational programme to simulate the magnetic field of magnetic circuit applying finite difference method. then we continue to study using the adult soft of femm of calculation magnetic circuit magnetic field, consider many factors affecting it, get a great lot of data and curves, give some better magnetic circuit structures for reference at our laboratory. in the end, with the condition of our lab, we measure the permanent magnetic circuit completed, then the experimental and calculational simulation results have been discussed and analyzed

    本文首先闡述了磁路計算及設計的基本要求，利用分析軸向永磁體磁路理論的方法，推導出了求解徑向磁化磁路的理論方程，應用有限差分法，編制了計算程序，對磁路的磁場進行了模擬；然後利用比較成熟的計算磁路磁場軟體femm作深入研究，考慮了影響磁路磁場的多種因素，得出了大量數據和曲線，給出了幾組比較合理的磁路結構，可供實驗的參考；最後，結合本實驗室條件，對現有永磁體磁路進行了冷測，將測試結果和計算模擬結果作了比較，並進行了討論和分析。
  16. 2. although calculating magnetic - flux leak coefficient and magnetic - reluctance coefficient is too complex to be done, combining magnetic force pump alnico ' s characters, appropriate accounting models are selected to calculate these coefficients through magnet conductivity methodology, the equation has been induced

    雖然漏磁系數和磁阻系數的計算非常復雜，利用磁導法，結合磁力泵磁鋼排布特點，選擇適合磁力聯軸器特點的計算模型，給出了漏磁系數的計算公式。
  17. According to the structure of a electro - magnetic gear couple, this research paper analyzed the main magnetic circuit as well as derived the calculation formulas for its uneven working and assembling air - gap magnetic conduction

    摘要根據電磁齒輪的結構特點，分析了電磁齒輪傳動的主磁路，並推導出非均勻的工作氣隙磁場與裝配氣隙磁場磁導的計算公式。
  18. The more poles mode, the unequal pole width mode ; the low - frequency slot harmonic modulation mode and the mode of changing end magnetic conductance are presented, and these designing method can efficiently weaken the end effect and decrease the wave of the thrust

    提出的採用多極電機方式；初級與次級極距不等的方式；齒諧波低頻調制方式和改變電機兩端部磁導的方式等電機的設計原則和方法，都可有效地削弱端部效應，減小推力的波動。
  19. The emcn model is set up by use of flux - tube method. in this method, the segment in which the flux density is relatively even is considered to be an element, the permeance of each element can be calculated by use of conventional method. finally the permeance network can be set up by connecting each node with permeances, then the parameters and performance can be obtained

    其基本思想是通過磁通管原理，把電機內部磁通密度相對均勻的部分看作一個單元，計算出單元的磁導，最後再把各個節點用等效磁導連接起來構成一個磁導的網路圖，再根據電路的基本解法求得各個節點的磁位，從而求得電機的參數和性能。
  20. According to the theory of technic magnetization and the conclusion above, we set up the connection between stress and magnetism conductance, then bring forward basic conception and method of stress detection which are based on the phenomenon of magnetism - stress coupling, investigate mechanism of stress detection, in conclusion scheme out a new system of stress inspection which is based on the phenomenon of magnetism - stress coupling, which establish the base of theory of engineering application

    通過以上的研究結論，並結合技術磁化理論，初步建立了應力和磁導率之間的關系。同時，結合磁路理論，提出了利用磁力耦合原理進行應力檢測的基本概念和方法，研究了相應的檢測機理，設計出了一種新的磁力耦合應力檢測系統，為工程應用奠定了理論基礎。
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