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空间电位
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  space potential
     AN EXPERIMENT RESEARCH ON THE EMISSIVE PROBE TO MEASURE THE PLASMA SPACE POTENTIAL
     用发射探针确定等离子体空间电位的实验研究
短句来源
     The facility can work wholly manually, only by touch panel in manual mode or full automatic mode to measure the plasma parameters, such as electronic temperature, ion density and space potential.
     整个控制系统可实现现场手动操作、触摸屏(或上位机)手动操作及全自动控制运行,能进行等离子体参数如电子温度、离子密度、空间电位等的测量。
短句来源
     The self-consistent results of space potential distribution, ion trajectories and distribution of ion space charg density are given.
     给出空间电位分布,离子轨迹和空间电荷密度分配的自洽解。
短句来源
     The plasma parameter profiles measured include electron temperature and density as well as their decay lengths,floating potential,space potential,saturation ion current and particle flux in a discharge with this system.
     它在一次放电中能测量主等离子体边缘的温度、密度、悬浮电位、空间电位、离子饱和电流、极向电场、粒子通量等参数的径向分布以及电子温度和密度的衰减长度。
短句来源
     The radial distribution of the plasma space potential and its variation with pressure and the microwave power has been derived
     给出了不同微波功率和不同压强下Ar等离子体空间电位的分布情况。
短句来源
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  plasma space potential
     AN EXPERIMENT RESEARCH ON THE EMISSIVE PROBE TO MEASURE THE PLASMA SPACE POTENTIAL
     用发射探针确定等离子体空间电位的实验研究
短句来源
     A method for measuring the plasma potential with emissive probes, the "droop" method, is presented in this paper. The plasma space potential for the microwave plasma source of double "ECR" chamber has been measured in this method.
     介绍了一种用发射探针测量等离子体空间电位的方法———"降落法",并利用这种方法测量了双共振腔ECR微波等离子体源的空间电位分布,从中得到该等离子体内部的一些电场信息。
短句来源
     The radial distribution of the plasma space potential and its variation with pressure and the microwave power has been derived
     给出了不同微波功率和不同压强下Ar等离子体空间电位的分布情况。
短句来源
     According to the plasma space potential, saturated current on the current-voltage curve of plasma can be determined, which can be used to estimate the number density of electrons.
     根据空间电位测量结果,在等离子体的电流-电压特性曲线上能准确地获取饱和电流,从而处理出电子数密度.
短句来源
  “空间电位”译为未确定词的双语例句
     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.
     介绍了数值计算方法,包括静电磁场的数值计算、在静电静磁场中电子运动轨迹的数值计算、空间电荷密度的数值计算和空间电位分布的数值计算;
短句来源
     The distribution law of DC field in layered surrounding rocks of roadway is a theoretical foundation of DC electric methods. By choosing the full space electric potential function in layered media as the basic solution, we have derived the boundary integral equations of DC electric field in layered surrounding rocks of roadway, which provide a theory as well as methods for simulating underground DC electric field by boundary element method (BEM).
     巷道层状围岩介质中稳恒电流场分布规律是矿井直流电法勘探的理论基础.选取无巷道层状介质模型全空间电位函数为基本解,导出了巷道层状围岩介质中电流场的边界积分方程,为采用边界元法正演计算井下稳恒电流场场分量提供了理论和方法.
短句来源
     The radial profiles of the plasma edge electron temperature, density, floating potential, spacing potential and poloidal flow velocities have been measured utilizing a 1MHz fast-sampling module.
     在1MHz的快速采样频率下,测量了主等离子体边缘的温度、密度、悬浮电位、空间电位、极向等离子体流速的径向分布。
短句来源
     The potential and surface charge density distribution of a single conduct ball have also been calculated and compared with analytic figures, The capacities of several models have been evaluated and compared with analytic or limit values.
     计算了单球体的空间电位分布,并与解析值进行了比较,计算了几种模型的电容,并与解析值和极限值进行了比较。
短句来源
     3. To experiment on the Model Bulat6 equipment from Russia by using the designed power supply and diagnosis system, the numerical value of electronic temperature, density of ion and plasma space electric potential is diagnosed for the first time under the normal plating condition.
     3.应用设计的电源和诊断系统,在俄产Bulat6型设备上进行试验。 首次诊断出在正常镀膜条件下,电弧镀等离子体的电子温度,离子密度、等离子体空间电位
短句来源
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  space potential
Around the LCFS, a steep gradient of plasma space potential φs is formed.
      
Under some natural assumptions on the distribution of the space potential, we prove existence and uniqueness, and derive the long time asymptotics for the annealed moments, and the "semi-annealed" ones, for which expectation is taken only w.r.t.
      
At large values of the drainage parameter, the zero of the second derivative occurs well away from the actual space potential.
      
  plasma space potential
Around the LCFS, a steep gradient of plasma space potential φs is formed.
      


The general electrostatic cathode-ray tube acquires a new characteristic which can be used to transform signals when two groups of electrodes are added to it. This asticle describes the construction of the additional electrodes and the principle of their operation in detail. Current change in the signal-output electrode is calculated by the integral method. Schwarz—Chrisloffel formula of the conformal transformation is applied to find out the function of potential distribution around the signal-input electrodes....

The general electrostatic cathode-ray tube acquires a new characteristic which can be used to transform signals when two groups of electrodes are added to it. This asticle describes the construction of the additional electrodes and the principle of their operation in detail. Current change in the signal-output electrode is calculated by the integral method. Schwarz—Chrisloffel formula of the conformal transformation is applied to find out the function of potential distribution around the signal-input electrodes. The electrostatic cathode-ray tube with the additional electrodes can be used to transform function of space potentail distribution and discrete time signals, into continuous time signals, so it can be applied to radio, electron computer control systems, etc.

文中提出了在普通的静电偏转电子束器件中,增加两组电极可以获得转换讯号的作用;并详细地介绍了这两组电极的结构和工作原理。用积分方法计算了讯号输出电极的电流变化;用复变函数许瓦兹——克利斯多菲公式计算了讯号输入电极的电位分布,举例解出了电子束偏转方程,从原理上说明讯号转换的可能性。其特点在于:将空间电位分布函数和离散型时间讯号,转换为时间的连续讯号。在无线电技术、电子计算技术、自动控制等方面可能获得应用。

In this paper, a convergent two-dimensional numerical simulation method for transport characteristics of intense ion beams in acceleration-deceleration system is presented.Our problem requires the simultaneous solution of: ( 1 ) the nonlinear Poisson's equation, ( 2 )tne non-relativistic equation of ion motion; (3)the con-tintity of ion current. Because of the complexity of the boundary geometries, finite element method is used to solve Eq.(1)And the computer program was developed. The self-consistent results...

In this paper, a convergent two-dimensional numerical simulation method for transport characteristics of intense ion beams in acceleration-deceleration system is presented.Our problem requires the simultaneous solution of: ( 1 ) the nonlinear Poisson's equation, ( 2 )tne non-relativistic equation of ion motion; (3)the con-tintity of ion current. Because of the complexity of the boundary geometries, finite element method is used to solve Eq.(1)And the computer program was developed. The self-consistent results of space potential distribution, ion trajectories and distribution of ion space charg density are given. The method is suitable to study transport problem of intense ion beams in acceleration -deceleration system, in particular, for high intensity ion implantation facility, intense ion beamsexten-sion, intense plasma ion source and so on

本文介绍了对于强流离子束在加速—减速系统中传输特性的有效的二维数值解方法。我们要求如下的数值解:(1)非线性泊松方程。(2)非相对论的离子运动方程。(3)离子流连续性方程。因为几何边界的复杂性。采用有限元方法求解方程(1),计算机程序己编制好。给出空间电位分布,离子轨迹和空间电荷密度分配的自洽解。方法对于研究强流离子束在加速—减速系统中传输问题是适用的,特别是对于高强流离子注入设备、强流离子束外延机、强流离子发生源等等都是适用的。

By using Fourier transfomation, the three-dimensional boundary value problem of two-dimensional geoelectric cross section of point source is converted to two-dimensional boundary value problem. The integrating equation of the boundary element method for solving the two-dimensional boundary value are derived by means of the weighed residue method. By using Fourier inverse transformation, we can obtain electric potential in the three-dimensional space.The comparison of the direct numerical calculation curve on...

By using Fourier transfomation, the three-dimensional boundary value problem of two-dimensional geoelectric cross section of point source is converted to two-dimensional boundary value problem. The integrating equation of the boundary element method for solving the two-dimensional boundary value are derived by means of the weighed residue method. By using Fourier inverse transformation, we can obtain electric potential in the three-dimensional space.The comparison of the direct numerical calculation curve on the some models with the theoretical curve are made well. The results of the terrain correction and inverse interpretation are well coincided with the geological profile.

本文用加权剩余法导出点源二维地电断面的边界单元法积分方程。通过付氏反变换,可获得三维空间的电位。若干模型上正演计算结果与解析解完全一致。对实测的ρ_s曲线进行了地形攻正及选择法反演拟合,解释结果与实际地质断面符合得很好。

 
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