magnetic permeability 中文意思是什麼

magnetic permeability 解釋
導磁系數，導磁性。

  • 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。
  • permeability : n. 1. 透過性，可透性，滲透性；滲蝕度；【航空】（氣球氣體的）透出量。2. 【物理學】磁導率，磁導系數（＝magnetic permeability）。
  1. Electrical connectors and electrical contacts - magnetic permeability test

    電連接器和電觸點.導磁性試驗
  2. Elements of electrical and optical connection - test methods - magnetic permeability

    電氣和光學連接元件.試驗方法.導磁性
  3. Standard test method for ac magnetic permeability of materials using sinusoidal current

    正弦電流用材料的交流磁導率的標準試驗方法
  4. Magnetic materials - methods for the determination of the relative magnetic permeability of feebly magnetic materials

    磁性材料.弱磁性材料的相對磁導率的測定方法
  5. Aerospace series - elements of electrical and optical connection - test methods - part 513 : magnetic permeability

    航空航天系列.光電連接件.試驗方法.第513部分:磁導率
  6. Magnetic materials. specification for steel sheet and strip with specified mechanical properties and magnetic permeability

    磁性材料.鋼片和鋼帶規定的機械性能和磁導率規范
  7. Magnetic materials - specification for steel sheet and strip with specified mechanical properties and magnetic permeability

    磁性材料.具有特定的機械特性和導磁性的鋼薄板材和帶材規范
  8. Test method for measuring relative complex permittivity and magnetic permeability of solid materials at microwave frequencies

    測量微波頻率下固體材料相對復合電容率和磁導率的試驗方法
  9. The refractive index of a substance is determined by two properties known as the electrical permittivity and the magnetic permeability

    物質的折射率由兩項性質決定，分別是介電常數和磁導率。
  10. Standard test method for measuring relative complex permittivity and relative magnetic permeability of solid materials at microwave frequencies

    微波頻率下固體材料相對復介電常數和磁導率測量標準試驗方法
  11. The higher temperature, the more fe ( co ) 5 decomposed in the gaseous phase. when the temperature was raised to 150, the thermolysis entirely happened in gaseous phase and the particles of 2 - 4um formed in long chains. with long chains broken, the plural relative permittivity ( e ", e " ) drop and plural magnetic permeability ( u ", u " ) rise

    恆溫滴加法受溫度影響顯著，隨著溫度的升高，發生在氣相中的熱分解量增加； 150下fe （ co ） _ 5完全在氣相中分解，產物為2 4 m的微粒形成的鏈狀結構，這種鏈狀結構的破壞有利於復介電常數（ 、 ）的降低、復磁導率（ 、 ）的提高。
  12. In the anistropic magnetic medium under the condition of magnetic permeability 11unequal to 33, the magnetic field on axis line of current - carrying coil and that inside current - carrying solenoid can be calculated by applying biot - savart law of that medium. as the condition of their service is restricted, it is necessary to derive the magnetic field on axial line of current - carrying coil and that inside current - carrying solenod under more general condition of 11unequal to 33. on the basis of the magnetic field on axial line of current - carrying coil in anisotropic magnetic medium under the derived condition of 11unequal to 33, the authors obtain the magnetic field on axial line of current - carrying solenoid in anisotropic magnetic medium under general condition of 11unequal to 33. the result shows a wider applicable coverage

    利用畢奧-薩伐爾定律，並在磁導率11 = 33的條件下，可求出各向異性磁介質中載流圓線圈軸線上的磁場，以及載流直螺線管內部的磁場.顯然，其使用條件受到限制.為此，有必要導出在11 33的更一般情況下，各向異性磁介質中載流圓線圈軸線上磁場和載流直螺線管內部的磁場.在已導出11 33及各向異性磁介質中載流圓線圈軸線上磁場的基礎上，求出一般情況下各向異性磁介質中載流圓線圈軸線上的磁場，使其結果適用范圍更廣
  13. On one hand, it may exert damping on the armature of torque motor and overcome self - excitation of jet pipe. one the other hand, it may enlarge magnetic permeability of working clearances and improve magnetic circuit efficiency of torque motor to boost dynamic response speed of servo valve

    一方面可增大力矩馬達工作氣隙部分產生的阻尼，從而可以抑制射流管的自激，另一方面又可增大工作氣隙的導磁率，改善力矩馬達部分的磁路效率，從而提高伺服閥的動態響應速度。
  14. Based on the special property of magnetic fluid ( mf ), we fill the magnetic fluid into the working clearances of the servo valve torque motor. one side, the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side, it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability

    基於磁流體所具有的特殊性質，將磁流體添加到伺服閥力矩馬達的工作間隙中，一方面磁流體被磁化后可增大銜鐵的阻尼力，減少振動;另一方面由於力矩馬達氣隙中磁導率的提高，使氣隙中的磁通量增大，力矩馬達的磁路效率和輸出扭矩將增大，因此可以提高力矩馬達的固有頻率和伺服閥的響應速度。
  15. By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved

    由於磁流體具有較大的導磁率，可提高力矩馬達磁路效率、增大力矩馬達的輸出力矩和位移，從而增加伺服閥的輸出流量;同時，利用磁流體的粘度特性，可增強力矩馬達阻尼及抗干擾能力，從而增強伺服閥及伺服控制系統的穩定性。
  16. Base on certain main magnets of nmr this thesis designs the most excellent structure of the pole shape and obtains a relatively uniform magnetic field in a large imaging volume. the calculating model of pole shape made of pure iron can be simplified with the infinite permeability and calculated with the scalar potential. the rule between pole shape and the homogeneity or the size of uniform region of magnetic field is discovered and factors of influencing the homogeneity of the magnetic field are held so that the main magnet with the optimized size of pole shape can produce a relatively uniform magnetic field in a large imaging volume

    本文針對一類典型結構的主磁體，通過磁場分析與大量的計算，找到了極靴形狀的改變影響樣品區磁場均勻度以及均勻區域范圍的規律，掌握了極靴形狀的變化趨勢及其形狀影響樣品區磁場均勻度的各種因素，進行了極靴的形狀優化設計並編制了相應的計算機軟體，給出了極靴形狀的具體尺寸，使得主磁體能在更大空間內產生相對均勻的磁場。
  17. 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。
  18. This paper is to study the object of mn - zn ferrite powder, which is an important non - metallic magnetic materials, because of their narrow hysteresis loop, high magnetic permeability and high resistivity, high curie temperature and the low loss characteristics are widely used in many electronic industrial fields

    這種磁性微粒經局部注射或經動脈導管注入瘤體后，在交變磁場作用下吸收電磁波轉化為熱能使腫瘤區升溫達所需的治療溫度（ 41 46 ） ，以殺死腫瘤細胞，而不含磁微粒的正常組織不受損，正逐漸成為醫學上腫瘤熱療技術的研究對象。
  19. Through the wire rope fatigue test, for the first time this dissertation investigated the law of the axial mfl changes of wire rope. the results showed the axial magnetic permeability of the reciprocating and rectilinear part of wire rope gradually increases and its distribution tends evenness. but that of the glide wheel bending part gradually decreases and its distribution tends to unevenness

    通過鋼絲繩的疲勞實驗，本文首次研究了鋼絲繩彎曲疲勞歷程中周向漏磁通的變化規律，發現鋼絲繩的直線往復段軸向磁導率逐漸增加，且分佈趨向均勻一致，而位於滑輪彎曲段鋼絲繩軸向磁導率逐漸減小，分佈趨向不均勻。
  20. It will exert resistance and damping force to the torque motor armature, so that the dynamic performance, especially the stability, of flapper - nozzle servo - valve can be improved. the self - excited oscillations and noise can be removed. at the same time, as magnetic fluid has a higher magnetic permeability, the efficiency of torque motor magnetic circuit can be improved

    由於磁流體具有的較大磁導率和較大的磁化強度，把磁流體添加到伺服閥力矩馬達的工作氣隙中，可提高伺服閥力矩馬達的磁迴路效率，增加伺服閥的阻尼，從而改善噴嘴擋板伺服閥的動態特性，抑制及消除其自激振蕩和噪聲。
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