電荷空間 的英文怎麼說
中文拼音 [diànhékōngjiān]
電荷空間
英文
charge space-
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。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 negative photoconductivity effect was found in the dimixing phthalocyanine composites. the experiment results indicated that the negative photoconductivity effects were closely related with the partial charge transfer from the center metals to phthalocyanine rings, and the separation efficiency of photocarriers was a key factor to the photoconductivity
結果表明,共混復合后,其光電導性能表現出負效應,並發現酞菁中心金屬與其相連的氮原子之間的部分電荷轉移是引起復合體系光電導性能變化的根本原因,同時復合體系中的電子空穴對的分離效率是影響光電性能的一個重要因素。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。Also, charge accumulation may occur on the electronics on board satellites and spacecraft, resulting in a build - up of the electric field
衛星和太空船的電子儀器亦可能積聚電荷,導致電場在它們之間形成。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。For the mesoscopic metal ring system in external magnetic field, supposing the system has a symmetry under translation in charge space, the quantum current and the quantum energy spectrum in mesoscopic metal ring are given by solving thire eigenvalue equations ; and the quantum fluctuations of the current and the energy have been calculated by the character of the minimum shift operator
摘要針對處于外磁場中的介觀金屬環系統,假設在電荷空間中具有變換的對稱性,通過求解本徵值方程給出系統的量子電流、能譜關系;利用最小平移算符的性質等,計算介觀金屬環中電流和能量的量子漲落。For one - dimensional mesoscopic metal rings system in external magnetic field, supposing the system has a symmetry under translation in charge space, the quantum current relation in mesoscopic metal rings is given by solving the eigenvalue equation of the current, the property of quantum current have been investigated and analysed
摘要針對處于外磁場中的一維介觀環系統,假設在電荷空間中具有變換的對稱性,通過求解電流算符的本徵值方程,給出系統中的量子電流關系,分析和研究一維介觀金屬環中量子電流的性質。The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers
實驗研究了正方網格斑圖與混合氣體的比例及外加電壓的關系,給出了班圖類型隨上述條件變化的相圖;實驗採用光學方法對正方網格斑圖進行了時空動力學測量,發現正方網格斑圖是由兩套正方網格斑圖相互嵌套而成,其中一套的微放電絲位於另一套正方形單元的中心,這兩套微放電絲交替進行放電;考慮到壁電荷之間的相互作用,研究了正方網格斑圖的穩定性;實驗發現正方網格斑圖的微放電絲放電時間間隔是長短交替變化的,考慮到電介質表面積累的壁電荷的作用,使用擊穿?熄滅方程很好的解釋了該現象。( the force between two point charges at rest is directly proportional to the product of the charges and inversely proportional to the square of the distance between them
在真空中,兩個靜止的點電荷之間的相互作用力的大小與兩電荷所帶電量的乘積成正比,與它們之間距離的平方成反比,作用力的方向沿兩電荷的連線。Based on the measurement, statistic, and analysis of the classified load of typical zones in ningbi, the city ' s load density distribution rule is analyzed
通過對寧波城市典型區塊分類負荷實測、統計、分析,進一步分析寧波市電力空間負荷密度分佈規律,以此為寧波市電網規劃與建設提供借鑒。The city grid plan and construction, as well as the distribution design for buildings have close relation with the city ' s load density, in other words, the city ' s load density directly influences the capacity, layout, and equipment type selection of the city grid
摘要城市電網規劃、建設、建築的配電設計與城市電力空間負荷密度息息相關,其值的大小直接影響城市電網定容、布局、設備選型等。分享友人