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- The design of the BPL 750keV beam transport system and the study of beam space charge effect in this system are descried. 本文闡述了北京質(zhì)子直線(xiàn)加速器(BPL)750 keV束流輸運系統的物理設計和束流空間電荷效應的研究.
- First, without the consideration of the space charge effect, the process of longitudinal direction beam bunching in MPG is given. 在不考慮空間電荷效應的情況下，模擬了在微脈沖電子槍中電子縱向聚束的過(guò)程。
- Second, the formation of the saturation current affected by the space charge effect and bunching effect is studied in details. 進(jìn)而詳細研究了在空間電荷效應作用及相聚過(guò)程共同作用下形成飽和電流的過(guò)程。
- The structure and configuration of the porous minerals were discussed, and the porthole effect and surface charge effect were mainly illuminated. 對多孔礦物材料的孔道結構和形態(tài)進(jìn)行了分析,然后對多孔礦物材料的孔道效應和表面荷電效應進(jìn)行了重點(diǎn)介紹。
- The space charge effect (SCE) of static induction transistor (SIT) that occurs in high current region is systematically studied. 摘要研究了靜電感應晶體管(SIT)在大注入情況下出現的空間電荷效應，分析了空間電荷效應的物理機制。
- The nonlinear space charge effect due to the nonuniform particle density distribution in bunched beam of a linac is discussed. 提出了在強流直線(xiàn)加速器中,由空間電荷束團的密度分布所引起的非線(xiàn)性效應。
- However, the space charge effect seriously limits the direct extraction a low-energy ion beam containing industrially-satisfied high current. 然而，由于空間電荷的累積效應，嚴重地限制了引出一具有高電流的低能量離子束。
- Setting Cathode Ray Tube (CRT) as an example, this paper gives an overview on how space charge effect influences electron beam spot size on the screen with respect to different cathode current. 以陰極射線(xiàn)管(CRT)為例,研究了在不同發(fā)射電流下空間電荷效應對熒光屏上電子束點(diǎn)大小的影響。
- The deflection of the secondary charged particle trajectories of EAS in the geomagnetic field distorts the lateral distribution of the secondaries. 廣延大氣簇射(EAS)中次級帶電粒子在地磁場(chǎng)中偏轉,影響次級粒子的橫向分布。
- With Klein-Gordon equation,one can obtain Planck spectrum of thermal radiation coming from the event horizon, which shows electric charge effect and rotation effect of the black hole. 如果進(jìn)而討論Klein-Gordon方程;則能得到熱輻射譜;以及電荷與轉動(dòng)附加在熱譜上的特征.
- Space charge effect is harmful for DC HV and EHV plastic power cable.In this paper, metallocene catalyzed polyethylene(MPE) acting as a nucleator, was blended into low-density polyethylene(LDPE). 普通低密度聚乙烯以其優(yōu)良的綜合性能在高壓和超高壓電線(xiàn)電纜領(lǐng)域得到了廣泛的應用，研究其存在的空間電荷效應具有重要的意義。
- A 10% service charge is added on to the bill. 帳單上包括了百分之十的服務(wù)費。
- The influence of space charge effect on the beams was considered to optimize the axial injection system.An injection system for a 100 MeV cyclotron with high intensity and efficiency was designed. 摘要針對空間電荷效應對束流的影響，對注入系統進(jìn)行優(yōu)化設計，減少了傳輸過(guò)程中的粒子損失，建立了一個(gè)高效率的強流回旋加速器注入系統。
- Avoid high temperatures and the sun to recharge areas, high temperature will affect the charging effect. 避免在溫度高，太陽(yáng)曬到的地方充電，溫度過(guò)高會(huì )影響充電效果。
- Her age is of secondary interest. 她的年齡不太重要。
- Wang T H, Li H W, Zhou J M. Charging effect in InAs selfassembled quantum dots [ J] .Appl Phys Lett, 2001, 79(10): 1537. 王太宏;李宏偉;賈海強等.;納米結構的制備及單電子器件研究[J]
- Piezoelectric or stored charge effects: the creation of charge unbalances (and thus current flow or voltage shift) due to mechanical stress. 壓電或儲存電荷效應：由于機械應力產(chǎn)生的電荷不平衡（從而產(chǎn)生了電流或電壓偏置）。
- In secondary school, children get more advanced knowledge. 在中學(xué)，孩子獲得更深一些的知識。
- Do they charge carriage by bulk? 他們是否按體積計算運費？
- A secondary matter; a side issue. 次要的第二位的事; 較次要的問(wèn)題
