英语释义

1. an electric charge distributed throughout a three-dimensional region

片语

space-charge tetrode双栅管

space-charge optics空间电荷光学系统

space-charge layer[电子] 空间电荷层

space segment charge人造卫星空间段租用收费

space-charge cloud空间电荷云

space e charge compensation空间电荷补偿

effect space-charge空间电荷效应

space e charge effect空间电荷效应

space electric charge空间电荷

英汉例句

• we aslo study the effect of the applied field on recording of the first three higher order harmonics of the space charge field.

  当扩散场与外加电场可比拟时，外加电场对空间电荷场的影响不大；

• experiment results show that the application of an electric field causes nonuniform distribution of the density of the defects in the space charge region.

  实验结果表明，辐照电场的存在将造成缺陷在空间电荷区的不均匀分布。

• the theorem of relativistic kinetic energy has been derived, and the normalized model of relativistic space charge wave is derived as well.

  导出了相对论电子注的动功率流定律，求得了相对论空间电荷波的正规模式。

• it is found that the change of threshold voltage value fits in exponential law with absorbed dose, which is caused by the effect of space charge and interface charge.

  产生这种现象的原因是场效应管氧化物中的空间俘获电荷与吸收剂量近似成线性变化，对阈值电压变化和吸收剂量有近似线性的改变；

• this paper reviews two dimensional electron gas formed on the liquid helium surface, the semiconductor surface space charge layer and the compound semiconductor heterojunction interface.

  本文简要介绍了液氦表面、半导体表面空间电荷层和化合物半导体异质结界面的二维电子气。

• it is found that the effect of intense current space charge modifies the classical klystron description in the drift tube region and shortens the drift length of the maximum modulated current.

  理论分析表明，强流空间电荷效应改变了经典速调管中电子束在漂移管中的能量分布以及群聚特性，缩短了最佳群聚距离。

• results show that space charge packet moves more slowly with the increase of the crystallinity.

  结果表明，随着结晶度的增大，空间电荷包运动更慢；

• a new method has been developed which is suitable for calculating the electrical potential of a point emission source including space charge effects.

  本文发展了一种适合于点发射源特点的空间电荷场数值计算方法。

• the space charge accumulation can be taken as a measure for withstand of electrical and water treeing in samples.

  空间电荷的测量可作为衡量改善试样耐电树枝和水树枝能力的手段。

• the space charge theory of relativistic electron beam is studied and the general theory has been formulated in this paper.

  本文研究了相对论电子注中的空间电荷波，建立了相对论空间电荷波的一般理论。

• an agreement between the space charge distribution and electric potential is discussed.

  最后，讨论了空间电荷分布与电势分布的一致性。

• with the example of space charge measured by pea, the distribution of electrical stress in sample due to space change is analyzed and calculated in detail using finite element method.

  用有限元法分析、计算试样中空间电荷引起的电场畸变方便、迅速，表现直观。

• based on single particle theory, we derived, neglecting space charge effects, equations for millimeter wave fel amplifiers with cylindrical waveguide and axial guide fields.

  本文以单粒子理论为基础，在不计空间电荷效应的近似条件下推导了带轴向引导磁场的三维圆柱波导非线性模拟方程组。

• the coupling envelope equations for bunched beam in a linac have been derived by means of the forces induced by a cylinder model of space charge of the bunched beam in waveguide.

  采用直线加速器中有限圆柱空间电荷模型，利用电荷束团所产生的纵向和横向空间电荷力，推导得到了直线加速器中计入纵向与横向耦合效应的电荷束团的耦合包络线方程；

• method of calculations for electron beam comtours including the effect of space charge was derived from the field free of space charge.

  讨论如何由无空间电荷存在的场求空间电荷作用下电子注的包迹。

• the infection of the space charge was observed by simulating the transmission of the beams, and the parameters of the system were optimized to control the envelope of the beam.

  通过模拟束流的传输过程，观察空间电荷效应对束流产生的影响，进一步对注入系统的元件参数进行适当的优化，从而对束流包络进行控制。

• the existence of a space charge field and its strong focusing properties are tested experimentally.

  实验验证了空间电荷场的存在及其强聚焦特性。

• the position and potential of the virtual cathode caused by space charge effects oscillate periodically.

  空间电荷形成的虚阴极的位置和电势周期性地振蕩。

• in this paper, the building process and the steady state behavior of the space charge field in photoconductive polymer have been discussed.

  本文研究了光电导聚合物中空间电荷场的建立过程和稳态特性。

• many factors such as morphological parameters, specimen species and applied electric field affect space charge properties of polyethylene under high electric field.

  微观形态、试品种类、外加电场等因素都会影响高场强下聚乙烯空间电荷特性。

• the space charge effect and the beam loading effect are considered in the equation of beam dynamics.

  粒子运动方程中考虑了空间电荷效应和束流负载效应。

• the space charge field has the essence distinction in the vacuum and the electric channel with plasma-background.

  研究发现电子通道填充背景等离子体，其空间电荷场与真空中的有本质差别。

• nevertheless when space charge field is taken into account, the saturation length lengthened and the efficiency decreased in the vacuum-background.

  而在真空中，考虑空间电荷场比不考虑空间电荷场时的饱和位置推后，效率等参量饱和值降低。

• piezoelectricity of non-polar space charge electret, porous ptfe film with unidirectional mechanical stretch was studied.

  研究了经单向机械拉伸形成的非极性空间电荷型薄膜驻极体聚四氟乙烯（ptfe）多孔膜的压电性。

• two important parameters–balance radiuses and space charge force balance radius is calculated under neutral plasma case. the properties of electron beam transmission are discussed.

  在环内中性等离子体情况下计算了传输过程中的两个重要参量——平衡半径和空间电荷力平衡半径，讨论了电子束的传输特点。

• therefore, the space charge reduction factor equation based on the sheath helix model is inappropriate at high frequency.

  因此，使用螺旋导电面模型在较高频段计算空间电荷降低因子是不合适的。

• in the drift space of the cooling section, the envelope of electron beam oscillates due to space charge field and solenoidal field.

  在冷却段漂移管区，由于强流电子束自身的空间电荷场和螺线管磁场的作用，使得电子束的包络发生振蕩。