A ns pulse beam device is installed at pulse beam current piping.
在脉冲束流管道上安装有强流毫微秒脉冲化聚束装置。
The transport efficiency and the maximum beam current of beam channel can be increased.
可提高低能离子束的传输效率和束通道的最大传输束流。
The causation to limit beam current accumulation is found in the injection beam monitoring.
在环注入调试中发现了束流积累限制的原因。
Conclusion it is not suitable to produce 18f-by great beam current and short irradiation time.
结论:采用大束流强度、短轰击时间生产大量的18f -不可取。
This paper introduces rapidly controlling principle on electron beam current for electron beam welder (EBW).
介绍了电子束焊机用电子束流快速控制原理。
The extracted beam current depends on operating parameter of source, extraction voltage and cathode material.
引出束流大小与源的工作参数、引出结构和电压以及阴极材料有关。
The influences on the beam current are observed by adjusting arc voltage and gas injection at different cases.
在多种参数下,通过调节弧压、进气量等观察了其对弧流的影响。
The distribution of the extraction apertures is made to compensate the Gaussan of the ion beam current density.
使引出孔的分布补偿束电流密度的高斯分布。使参数匹配并实行程序控制。
If irradiation time was invariable, the increment of beam current was not linear with the output of 18f-as a whole.
轰击时间一定的情况下,总体上束流强度的增加与18f -产量之间无线性关系。
Increasing beam current would greatly cause the increasing of the output of 18f -, but the output of 18f-was not stable.
大幅度提高束流强度虽然可以提高18f-产量,但18f -的产量很不稳定。
The selection for acceleration of voltage and beam current has been studied in case of observation of powder specimen by SEM.
研究了用扫描电镜观察粉末试样时加速电压和束流的选择。
Adopting PLC special function block technology, it is easy to realize to adjust up step or down step of electronic beam current.
利用PLC的特殊功能模块技术,较好地实现了电子束流的上升梯度和下降梯度的方便调节。
In a four-electrode system, changing the electric field ration only slightly changes the ion beam current at a certain beam energy.
在四电极系统中在一定束能量下改变电场强度比仅轻微地改变束电流。
The invention provides an ion pipe with a plurality of ion beam extraction holes, so that the ion beam current density becomes uniform.
本发明提供一种排列有多个离子束引出孔的离子管,使得离子束电流密度变得均匀。
To calculate the accelerator dynamics process to contain the buncher (pulse beam current) system is a new characteristic of LEADS program.
对含有聚束(脉冲束流)系统的加速器粒子动力学进行模拟是LEADS程序的新特色。
The methods and results for the 5 main parameters of energy, beam current, dose uniformity, beam scanning width, and beam profile were given.
给出了能量、流强、扫描均匀性、扫描长度以及束斑形状等5个重要参数的测量方法及结果。
Both the code and the envelope equations take account of the self? Electromagnetic field and applied electromagnetic field of the beam current.
程序和包络方程都考虑了束流的自生电磁场及外加电磁场。
At a certain electric field ratio, five electrode, systems could be used to change the ion beam current and the beam energy to a certain extent.
在一定电场强度比下可以用五电极系统在一定范围内改变束电流或束能量。
Then, the influences of the beam types, beam energy, beam current, initial radius and divergent angle on the beam propagation are discussed briefly.
然后讨论了影响粒子束传输的各种因素,包括粒子束类型、能量、束流、出口初始束半径以及散角等。
After the connections are made, verify the system is working properly by turning the bias voltage on and taking a current measurement with no ion beam current.
完成电路连接之后,接通偏置电压,在没有离子束电流的情况下进行电流测量,以验证系统能够正常工作。
The sensing device may include a mask and a mechanism to translate the mask in order to define a beam current sensor on a portion of an associated Faraday sensor.
感应装置可包括一屏蔽以及一用以平移屏 蔽以便界定相关联的法拉第感应器的一部分上的离子束电流感应器的机 构。
The beam current and tuner position dependencies of the amplitudes of the longitudinal oscillations were measured, and the results were discussed in comparison with the theory.
给出了这两种振荡与调谐杆位置及束流流强的依赖关系,并和理论计算的结果进行了比较。
The test shows that the major technology parameters of influencing welding quality are accelerate voltage, beam current and welding speed. Besides, other factors, for example, edge con...
经过试验得出:影响焊缝质量的主要工艺参数是加速电压、束流、焊接速度,其他因素,如带材的边部条件等对焊缝的质量也有影响。
Simulation and measurement result indicate that magnetic field influence the beam current of MIG, and the beam current of the MIG depends on the cathode temperature and space charge effect.
模拟和测量结果显示磁场对MIG的束流有影响,MIG的束流也与阴极温度和空间电荷效应有关系。
The precept of DC-SC photoinjector is to combine a DC photocathode electron gun and the superconducting cavity together. This scheme is specially adequate to provide the high average beam current.
DC SC超导光阴极注入器将直流光阴极电子枪和超导加速腔结合在一起,其特点之一是适合于提供高平均流强电子束。
The invention provides an ion pipe and ion beam extraction method, wherein the ion pipe is arranged with a plurality of ion beam extraction holes, so that the ion beam current density becomes uniform.
本发明提供一种离子管及离子束的引出方法,离子管排列有多个离子束引出孔,使得离子束电流密度变得均匀。
Show play area Cursor: If this is enabled then the play area boundaries are displayed at the tip of the pointer beam in the current pointer colour.
(显示游玩区光标):如果这个启动,游玩区界限就会在光束指针的顶端显示出来,颜色和当前指针颜色相同。
Show play area Cursor: If this is enabled then the play area boundaries are displayed at the tip of the pointer beam in the current pointer colour.
(显示游玩区光标):如果这个启动,游玩区界限就会在光束指针的顶端显示出来,颜色和当前指针颜色相同。
应用推荐