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    The high efficiencies and relatively narrow emitted electron energy distributions have made the CsI transmission photocathodes extensively useful in soft x-ray detectors and counters especially in x-ray streak camera applications.
    由于它的量子效率高而次级电子能量分布范围相当窄,这种夹心结构透射式CsI光阴极广泛地应用于软X射线探测器和计数器,特别是软X射线条纹摄相管。
    The localization of electronic states and the distribution zone of the system energy are discussed to the parameters of system size and the disordered degree of diagonal and non diagonal elements.
    并针对系统大小,对角和非对角无序程度等各种参数,探讨了电子的局域化、系统能量分布范围等问题。
    The electronic localized states are increased with the enhancing of the diagonal disordered degree and the distribution zone of the system energy is widened with the enhancing of the non diagonal disordered degree.
    在引进无序参量后,对角无序主要引起电子局域态的增多,而非对角无序则使系统的能量分布范围发生变化。
    The study result shows that the planar film structure is conformable for FEE cathode, because it has low voltage threshold and small range of energy distribution of the emitted electrons.
    分析结果表明,宽带隙平面薄膜结构用作场致电子发射阴极,具有发射电压的阈值低,发射电子的能量分布范围小等优点。
    The experiment and data process were automatically accomplished with software design with Labview5.0.The measured result showed that ion energy was distributed in 12~42eV in an ECR plasma reaction chamber. There is no high energy ion in ECR plasma. It is advantageous for process of semiconductor device with some specific requirement in ECR plasma process techniques.
    利用离子能量自动分析器在线测量了ECR等离子体中离子能量分布范围为 12~ 4 2eV ,不存在对被加工的半导体器件表面产生损伤的高能离子 ,从而ECR等离子体技术适合于在半导体器件加工中应用
    The analysis results show that when the transmit and receive transducers are in a good cemented area or there are some by pass channels with an angle less than 180 degrees along the circumferential direction, there are three different energy peaks with a wide range of energy distribution on time-frequency distribution figure.
    结果表明,发射和接收探头同时处于胶结良好区域或者发射和接收探头之间存在夹角小于180°的周向窜槽时,时频分布图中具有3个幅度不等的能量峰,能量分布范围比较宽;
 

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