空間電荷 的英文怎麼說
中文拼音 [kōngjiāndiànhé]
空間電荷
英文
apace charge-
With sufficient forward bias, the diffusion capacitance can easily exceed the space charge region capacitance.
當正向偏壓足夠高時，擴散電容很容易超過空間電荷壓電容。The displacement current mechanism is operative only for capacitors under reverse bias or very weak forward bias conditions which maintain a space-charge layer.
位移電流的機理只對反向偏壓或要維持空間電荷層所需要的非常弱的正向偏壓條件下的電容器才有用。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。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。Effects of the space charge forces and the beam halo in an avf cyclotron with intense beam currents
型?旋加速器中的空間電荷效應和束暈Space charge wave revision to the electron beam bunching caused by the radiation wave in the klystron
在速調管中空間電荷波對輻射波引起的電子束群聚的修正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。In addition, it is shown that the scaling of output power is proportional to i ~ ( 2 ), when the current is less than the space charge - limit
還研究了電流對輸出功率的影響，在電流達到空間電荷極限以前，微波輸出功率和電流的平方成正比。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。Space charges is often created by trapping or preventing their movement due to various traps, as a result trap properties decide the store and transport of the charge
空間電荷往往是各類陷阱俘獲和阻止電荷運動造成的，陷阱的性質決定著電荷的存貯和輸運。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。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Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center
計算結果表明：當塵埃粒子的溫度較低時，塵埃粒子主要集中在圓柱形放電器的中心很小的區域，塵埃粒子攜帶的電荷幾乎是一個常數，受塵埃粒子空間電荷的影響，離子在該區域的密度最高。在遠離中心區域，離子和電子呈現雙及擴散特點；當塵埃粒子的溫度較高時，塵埃粒子分佈的區域和高離子密度區域擴大，塵埃粒子離放電器中心越遠，攜帶的負電荷越多。Harmonized system of quality assessment for electronic components. generic specification. space - charge controlled tubes
電子元器件質量評估協調體系.一般規范.空間電荷控制管Specification for harmonized system of quality assessment for electronic components : generic specification : space - charge controlled tubes
電子元器件件質量評估協調體系.一般規范:空間電荷控制管( 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。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。General specification for space - charge controlled tubes
空間電荷控制電子管總規范Electrostatic measurements by means of microwaves
論空間電荷的分佈及其測量Modification to space - charge - limited current of intense electron beam diode
二極體空間電荷限制電流修正分享友人