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- Unrivalled Handling of Fast High Current Pulse. 可通过较大的脉冲电流。
- Features: Low VCE(sat), high hFE and high current. 特点:饱和压降低,放大高和电流大。
- The rapid surface alloying of AISI 316L stainless steel by high current pulsed electron beam(HCPEB) was investigated. 利用强流脉冲电子束对不锈钢表面进行了快速钛合金化。
- The high current and short bunch of the electron beam in the BEPCII injector linac cause the wakefield effects on the beam performance dilution. BEPCII直线注入器中的强流、短束团的尾场效应将损害束流的性能 .
- Change of Oxide Ceramics Microhardness under Action of High Current Pulsed Beam of Low Energy Electrons Surzhikov A.P.;Frangulyan T.S.;Ghyngazov S.A. 西昆仑-塔里木盆地盆-山结合带的中、新生代变形构造及其动力学崔军文;
- A pulse from an intense laser or particle beam, however, creates a disturbance in the plasma. 然而,一个从高密度的雷射或粒子束所产生的脉冲,可以对电浆产生扰动。
- However, the space charge effect seriously limits the direct extraction a low-energy ion beam containing industrially-satisfied high current. 然而,由于空间电荷的累积效应,严重地限制了引出一具有高电流的低能量离子束。
- The power source is not microwave radiation but is either a laser beam or a charged particle beam. 能量的来源不是微波幅射,而是雷射光束或是带电粒子束。
- Fortunately, when a laser or charged particle beam is sent through a plasma, interaction with the plasma can create a longitudinal electric field. 幸运的是,当雷射或带电粒子穿过电浆时,与电浆的作用可创造出纵向的电场。
- P.Banford,The Transport of Charged particle Beams,E.& F.N. 效应对于束流输运系统设计的影响及修正。
- Stable electric arc can be ensured from undercurrent to high current. 从小电流到大电流都可以保持稳定电弧。
- Special techniques are required when switching high current or low current. 在切换大电流或小电流时,都需要专门的技术。
- The process is the same as in the laser wakefield case, except now the particle beam's electric field does the pushing instead of the laser beam's radiation pressure. 这个过程跟雷射尾迹场的情形一样,只是现在推动电子的,是粒子束的电场而不是雷射光束的辐射光压。
- Features: High current, low saturation voltage, low on resistance, high hFE . 特征:大电流,饱和压降低,输入阻抗低,直流电流增益高。
- The demands on the broad ion sources for material modification are described. The kaufman gas ion sources and the Electron beam evaporation metal ion source (EBE) of high current are emphasised. The RF, ECR, as well as MEVVA sources are also introduced. 本文叙述了对材料表面改性的宽束离子源的要求,重点介绍了考夫曼型气体离子源及电子束蒸发强流金属离子源,也介绍了RF、ECR离子源及MEVVA源。
- Both H-bridges can be paralleled for higher current operation. 两个半桥能并行进行更高电流操作。
- When charged particle beams traverse in an accelerating structure, the excited wake fields may dilute the beam energy spread and emittance. 带电粒子束在穿过加速结构时激起的尾场,会导致束流能散和发射度的增大。
- Yttriated Tungsten is primarily used in military and aviation industry with narrow arc beam,high compressing strength,highest welding penetration at medium and high current. 钇钨电极在焊接时,弧束细长,压缩程度大,尤其在中、大电流溶深最大,目前主要用于军工和航空航天工业。
- At first sight, laser beams and charged particle beams do not seem well suited for particle acceleration. 乍看之下,雷射光束和带电粒子束似乎并不适用于粒子加速上。