導磁率 的英文怎麼說

中文拼音 [dǎocílǜ]
導磁率 英文
magnetic inductivity; magnetic permeability導磁率測量電橋 holden permeability bridge; 導磁率電橋 magnetic bridge; 導磁率計 permeability meter
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. If the electrical conductivity is high enough the field becomes "frozen" into the plasma.

    如果電導率足夠高，磁場就「凍結」在等離子中。
  2. Measuring method for demagnetized state permeability of microwave ferrite materials

    微波鐵氧體材料退磁態磁導率的測量方法
  3. It is evident that the permeability is not a constant.

    顯然磁導率不是常數。
  4. 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
  5. 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毫米相對論返波振蕩器，分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。
  6. Measurement of permeability and q - factor of ferrite toroids

    鐵氧體環的導磁率及其品質因數的測量
  7. 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。
  8. 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。
  9. The tm mode dispersion equation of the coaxial bwo in the infinite guiding - magnetic field is derived and solved numerically. the dispersion curve, operating frequency, and the growth rate are obtained

    採用線性理論推導了無窮大引導磁場下的同軸tm模式色散關系式，並編程數值求解了一定條件下的色散曲線、時間增長率、空間增長率。
  10. The feed - back provided by the reflected electron beams reduce the start - up current and the start - up time in a vircator, while the existence of klystron cavity improves the extracting efficiency, hence the radial reflex klystron oscillator with virtual cathode combines the advantages of both devices, becomes a compact, efficient set

    利用虛陰極反射電子束對調制腔的正反饋，可以減小起振電流和起振時間，而且提高了微波產生效率。它是一種結構簡單，緊湊，不需要引導磁場的器件。
  11. What is an active protection, elementary : mike or receiver of the signal - an amplifier, 1 transistor - a capacitor with changeable resistor - an output on speaker or emitter

    頻率范圍超過100千兆赫，採用材料反射體屏蔽，具有高介電常數，導磁性，水或鎂7分水作為遮蓋金字塔，填充物- - -一個吸收器- - -石墨，碳。也可以建造積極保護方式電容器。
  12. The permeability ranged from 4000 - 10000 could de choosed and to design different parameters power - filter with good electromagnetism concurrent quality

    導磁率從4000 - 10000的磁芯供選擇可設計成各種不同的參數的電源濾波器。有良好的電磁兼容特性。
  13. For improved low - frequency magnetic shielding, a shield consisting of a high - permeability magnetic material ( e. g., mumetal ) should be considered

    要改善低頻磁屏蔽的效果，就要考慮用高導磁率的磁性材料（即高導磁合金）來製作屏蔽體。
  14. Magnetic conductivity non - magnetic alloy with very high strength, excellent wear resistance and very low magnetic conductivity, used for forming ddie for permanent - magnetic materials

    無磁合金具有很高的強度和優良的耐磨性以及極低的導磁率。用作永磁材料的成型模具。
  15. 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，本文給出了一個相對論亞納秒毫米波返波振蕩器的物理模型，在引導磁場為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率為100mw 、中心頻率為38ghz 、模式為tm _ （ 01 ）模的微波輻射。
  16. 3 in si units, the ratio between the magnetic flux density b and the magnetic force h defines the permeability

    在國際單位制中，磁感應強度b與磁場強度h之比被稱為導磁率。
  17. As pointed out earlier, those sources eliminate the need for a heavy external magnet. two hpm sources magnetically insulates line oscillator ( milo ) and the reltron have been researched and improved. finally, a new high power microwave source, the axial acceletron is presented in this paper

    首先對幾種高功率窄帶微波源進行了評估，然後著重研究無引導磁場最具備代表性的兩種器件，磁絕緣線振蕩器（ milo ）和super - reltron ，並提出了改進的措施。
  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。
  19. The susceptibility, which is small, falls as the temperature is lowered.

    導磁率很小，隨著溫度的降低將變得更小。
  20. A brief description of the light high power microwave ( hpm ) sources are given

    本文主要從高功率微波源小型化的角度，重點研究了無引導磁場的高功率微波器件。
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