电子束

Approximately 10% of all people with EB have Junctional EB.

约10 ％的全体人民与电子束有连接电子束。

UNESCO awarded him the first Kalinga Prize in 1952 for his work in popularizing scientific knowledge, and he was elected a Fellow of the Royal Society on 23 April 1953. In 1961 he received the title of Knight of the Grand Cross in the Légion d'honneur.

同年 G.P。汤姆逊用较高能量的电子做了晶体对电子束衍射的实验，他让电子能量为1000－8000电子伏特的电子束垂直射入赛玛哈、金、铂或铝等薄膜上，观测产生的衍射图样。

The radial force balance equation for the self-electric field and self- magnetic field of the relativistic electron beam is used to calculate the angular rotation frequency of the relativistic electron beam propagating through the cylindrical wave guide filled with nonneutral plasmas.

首先利用相对论电子束的自电场与自磁场所产生的径向力平衡方程，计算出相对论电子束在稳态非中性等离子体填充的柱状波导中传输的转动频率。

The main content consists of the following aspects: The essential techniques of rate control are introduced, such as the principle of rate detection by quartz crystal﹑the relationship between filament emission current and filament temperature﹑the temperature dependence of material evaporation characteristic﹑the electron beam focalizing characteristic and the theory of rate closed-loop control.

主要内容包括以下几个方面：围绕电子束蒸发速率控制综合了速率控制的相关技术，比如蒸发速率石英晶振探测的原理﹑灯丝发射电流与灯丝温度的关系﹑膜料蒸发特性与蒸发温度的关系﹑电子束焦斑聚焦特性及速率闭环控制的原理。

The voltage amplitude difference of the two pulses can be less than 2%. The electron beams are emitted from a velvet cathode in a vacuum diode. The beam currents are up to 3kA, measured both by a Faraday cup in anode hole and by a shunt resistor at the rail of the LIA injector.

实验结果表明：该双脉冲电子束源可以产生双脉冲电子束，其电压幅度差值小于2%，束流可达3kA，并且工作稳定，利用该装置可以进行多脉冲二极管物理和天鹅绒多脉冲发射特性实验研究。

By considering the finite spread in beam longitudinal momentum and the effect of finite space-charge field of the electron beam,the dispersion relation of IRL instability is derived ,and the growth rate of IRL wave and the linear damping rate of the space-charge wave are also got.

利用动力学理论对一种新型自由电子激光──离子波纹激光进行了研究，考虑电子束的纵向动量离散和空间电荷场效应，导出了IRL不稳定性色散关系，求得了IRL辐射波的增长率及电子束空间电荷波的线性阻尼率，并对其进行了讨论，得到了一些结论。

It puts emphasis on the principle and the function of the CCD vidicon in the application of the jointing of electron beam, the selecting of the method of examining temperature and the composing of the software, in addition it analyzes and discusses several important factors influencing the temperature examination and the way to induce the errors.

其中比较详细的介绍CCD 摄像机在电子束钎焊温度场检测应用中的原理和功能，测温方法的选取及其软件的编程工作，另外还着重分析讨论了电子束钎焊过程中影响测温的几个重要因素以及减小误差的方法。

The methods and results of measuring electron beam absorbed doses with the developed graphite and polystyrene-water calorimeters are given.

叙述了辐射加工级电子束吸收剂量量热计的设计原理，给出了用自行研制的石墨和盒式水量热计测定电子束吸收剂量的方法和结果。

In the second part of this thesis, the physical model, which used to describe the evolution of highly charged ions in the EBIT and provided by Penetrate, are discussed in detail. Based on this model, we have some modifications. The modified physical model takes the effect of the geometry of drift tube, the cumulation of space charge, and ionization heating into account.

在论文第二部分，我们详细讨论了Penetrate所提出的用来描述高价态离子在电子束离子阱中演化的物理模型，并在Penetrate所提出的物理模型基础上做了部分修正，修正后的物理模型考虑了漂移管的几何位形、电离加热以及电子束的空间电荷累积的影响，利用修正后的物理模型，对高价态离子在EBIT中演化过程进行详细地数值模拟。

The beam propagation is improved by vacuum the downstream of the beam drift tube, and the beam can transport over 60cm.

虚火花电子束，电子束的直径小，方向性好，适合用于小型化自由电子激光器。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。