空間電場 的英文怎麼說

中文拼音 [kōngjiāndiànchǎng]
空間電場 英文
space electric fields
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 場 : 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] （...
  • 空間 : space; enclosure; room; blank; interspace
  1. By using the maxwell ' s equations and axial symmetry, a method on calculating non - static axial symmetry fields with unstable charge source is given

    摘要利用麥克斯韋方程組和場的軸對稱性，給出了由對稱軸的非靜態電場計算含不穩定電荷源的軸對稱非靜態空間電磁場的一種方法。
  2. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。
  3. The numerical computing methods of the equations involving the static electric - magnetic field, electronic motion in the static electric - magnetic field, and so on are detailed. the methods of the boundary disposal are introduced. the phenomenon of secondary electron emission has also been studied

    介紹了數值計算方法，包括靜電磁場的數值計算、在靜電靜磁場中電子運動軌跡的數值計算、空間電荷密度的數值計算和空間電位分佈的數值計算;介紹了邊界處理方法。
  4. At 20 space charge in frp rod materials increases with increasing of field strength or high voltage application duration

    20下芯棒材料中空間電荷的積累隨電場增大、電壓作用時間的增加而增加。
  5. Space charge properties of frp rod materials are influenced by temperature, field strength and high voltage application duration

    結果表明，在高壓直流電場作用下，芯棒材料內部積累的空間電荷的極性和密度受到溫度、電場強度和電場作用時間等因素的影響。
  6. Based on sndm technique, a method of local capacitance - voltage characteristic characterization of ferroelectric thin films was proposed. the effect of traps at oxide - semiconductor interface on metal - oxide - semiconductor structure capacitance - voltage curve was discussed, and the influence of coercive field to the capacitance - voltage characteristics of ferroelectric thin films was also discussed. the dynamic switching of ferroelectric domain in ca doping ( pb, la ) tio3 thin film was studied by sndm from the view of electricity

    利用sndm ，從純電學的角度觀察了plct薄膜中的電疇動態反轉過程，由電疇橫向擴張的移動速度的降低，發現了晶界在電疇反轉過程中對疇壁移動的阻擋作用;根據sndm和pfm的在垂直方向上的不同信息敏感深度，得到plct薄膜中電疇反轉過程中電疇是楔形疇;用pfm觀察同一電疇在去掉外加反轉電場后電疇的極化弛豫現象，結果表明空間電荷是發生極化弛豫的主要原因。
  7. We present a charge - transport model of the photorefractive effect with two deep traps ( two deep - trap model ) based on one deep - trap model and shallow - deep - trap model. we also found dark decay behaviors which accord with the two deep - trap model in the two - beam interference experiments. the fast decay - time constant of the space - charge field is obtained as 714s

    此外，在ce ： batio _ 3雙光束干涉光折變光柵的暗衰減實驗中，也觀察到了符合雙deep模型的衰減現象，得到光折變空間電場快衰減時間常數714s ，約12分鐘。
  8. Numerical simulation for electric field formed by spatial electric charge distribution

    空間電荷分佈產生電場的數值模擬
  9. This movie demonstrates the phase difference and the amplitude decay of the e and h field in freespace

    本影片可看出真空中電場和磁場之間的相位差和振幅衰減的現象。
  10. Because that complex phenomena in pegs involve kinetic effects of plasma and cathode emitted electrons, and evolution of electromagnetic fields, particle - in - cell ( pic ) code is chosen as study tool, and a two and half dimensional cylindrical fully electromagnetic pic code cylinder2 - 1 / 2d, which is suitable for simulating the operation of the pegs, has been established

    考慮到peos物理現象涉及到等離子體和陰極發射電子的動力學行為以及空間電磁場的復雜變化，我們採用粒子模擬方法作為研究工具，研製了適用於peos物理問題模擬研究的二維柱坐標全電磁粒子模擬程序cylinder2 - 1 2d 。
  11. The distribution regularity of polarization charge on the surface of spherical medium and electric field

    介質球面上極化電荷及空間電場分佈規律
  12. Distribution of electromagnet field in the space of h - type rf ion source is worked out derivation from maxwell equations, and three - dimensional vector graphs of e and b in the space of rf ion source are calculated and plotted by mafia software

    並採用mafia軟體進行了三維實體建模，計算了高頻離子源放電擊穿前和穩定工作后的電磁場分佈，得到了高頻離子源放電空間電磁場分佈的直觀圖像。
  13. 6. the electric field induced by the ring electrode is calculated and a model of the electric field induced by charged droplets is presented

    6 、模擬了環狀電極誘導的空間電場，建立了荷電霧滴誘導空間電場的數學模型並就模擬方法進行了探討。
  14. The experimental results show that the surface charging is related with the pre - flashover events, the pre - flashover events can bring the change of surface charge distribution. these may be attributed to the micro - discharge caused by the traps in insulator. the charge carriers can be captured by traps, a space electric field will be set up by the trap centers, and the combined electric field may exceed the breakdown electric field of local area, then the micro - discharge will be initiated

    分析表明，反向預閃絡現象與材料的陷阱分佈有關，試樣中電極附近的陷阱中心俘獲載流子后所形成的空間電場的作用是產生這一現象的原因；預閃絡現象和表面帶電現象都是由於絕緣子表面陷阱中心俘獲載流子形成空間電場造成局部場強過強引發的局部放電形成的。
  15. The factors which influenced the process include the insulator ' s material, structure, the distribution of space electrical field, the way to deal with the surface, the characteristic of voltage waveform, pulse width etc. there are two kinds of theory for the vacuum surface flashover : secondary electron emission avalanche ( seea ) and electron triggered polarization relaxation ( etpr )

    影響該過程的因素包括絕緣材料結構、空間電場分佈、表面處理方法、所加電壓特徵，脈沖寬度等。研究真空表面閃絡過程有兩類理論：二次電子發射崩潰（ seea ）和電子引發極化鬆弛（ etpr ） 。
  16. ( 3 ) we explore photorefractive screening solitons and characters of beam transmission in sbn : 61 : cr crystals. the dependence of beam diameter at the crystal output face on applied field is presented. and influences of the limiting space charge field of the crystals on the experimental results are analyzed

    （ 3 ）初步研究了兩塊不同摻cr濃度的sbn 61 cr晶體中的屏蔽型空間孤子效應，以及不同外加直流電場作用下光束在晶體中的傳輸，給出了晶體出射表面處光斑直徑隨外電場的變化曲線，並分析了晶體中空間電荷場的飽和效應對實驗結果的影響。
  17. The field in large - aperture photoconductors is mainly composed of bias field, space - charge field formed by transient distributing of carriers

    光電導體內的電場是偏置電場、光電導體內光生載流子的空間瞬態分佈所形成的空間電荷電場等疊加形成的合電場。
  18. 2. to design an axial magnetic field. the cathode lies in 0. 4 - 0. 7 of peak value of the magnetic field and excursion channel in a uniform magnetic field to suppress space charge effects ; to design transition section between the gun and excursion channel in converse computation. 3

    選擇電子槍陰極處于軸向聚焦磁場峰值的0 . 4 - 0 . 7倍處;漂移通道（互作用區）位於均勻軸向聚焦磁場中，以抑制電子束的空間電荷效應;使用反演算法設計電子槍和漂移通道之間的過渡區。
  19. Relativistic back wave oscillator ( rbwo ) with a coaxial structure has a big power capacity of system. with large radius electron beam to decrease the space charge effects without usage of high current, hence the rbwo can work well at a lower axial guide magnetic field

    同軸返波管具有很大的功率容量，可以採用大半徑電子注，在工作電流不變的情況下空間電荷效應大幅度降低，因而可工作在低磁場狀態。
  20. In this paper, space charge distribution in dc composite insulator frp rod materials after negative dc high voltage application was measured by pea method and the results were analyzed and discussed

    摘要使用pea法空間電荷測量系統測量了負直流高壓電場作用后復合絕緣子芯棒材料中空間電荷分佈，並進行了相關的分析和討論。
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