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- Abstract: To restrain the space charge effects causing severe broadening of an ultra-short electron pulse with high charge density, a novel method is proposed based on a compensating element. 摘 要 :提出了一种有效的利用补偿元件抑制空间电荷效应所致脉冲展宽的方法。
- space charge density 空间电荷密度
- By the charge density we mean the per unit volume. 所谓的电荷密度是指单位体积的电荷。
- The charge density varies from point to point. 点与点之间的电荷密度不同。
- The nonlinear space charge effect due to the nonuniform particle density distribution in bunched beam of a linac is discussed. 提出了在强流直线加速器中,由空间电荷束团的密度分布所引起的非线性效应。
- Static field with line charge density in angular space of conductor electrostatics is formally described. 对导体平板构成的角域内具有线电荷密度的静电场进行了求解。
- We also give a brief account of charge density waves (CDW). 对电荷密度波也作了简单的介绍。
- It is found that among cable accessories materials space charge accumulated less at interface of EDPM/XLPE than them in the SR/XLPE, while the density of deep charge traps is less in SR/XLPE. 通过实验比较后发现用于电缆附件的材料中,EPDM/XLPE构成的双层介质中,界面电荷积聚比较少,但SiR/XLPE的双层介质中陷阱密度较少。
- In this paper, colloid titration is used to measure charge density of CPAM. 通过胶体滴定法测定了CPAM电荷密度,研究了加填及加入CPAM后浆料悬浮液的电荷变化。
- PEI with high cationic charge density could neutralize the anionic trash in DCS and improve the efficiency of CPAM. 高电荷密度的聚乙烯亚胺的加入能够中和DCS中的阴离子垃圾,提高阳离子聚丙烯酰胺的助留效果。
- We have calculated interatomic charge density overlap integrals of all homogeneons rare gases in this paper. 本文对相同稀有气体原子间电荷密度的重叠积分进行了全面计算。
- As the surface charge density increased, the adsorbed BSA amount also increased. 随着硅片表面电荷密度增加,BSA吸附量增加。
- With sufficient forward bias, the diffusion capacitance can easily exceed the space charge region capacitance. 当正向偏压足够高时,扩散电容很容易超过空间电荷压电容。
- Space charge properties of FRP rod materials are influenced by temperature, field strength and high voltage application duration. 结果表明,在高压直流电场作用下,芯棒材料内部积累的空间电荷的极性和密度受到温度、电场强度和电场作用时间等因素的影响。
- The effectiveness of montmorillonite for the treatment of CAG seemed positive proportion to the average layer charge density of montmorillonite. 蒙脱石对CAG大鼠具有比硫糖铝更加明显的治疗作用,并且这种作用与蒙脱石的平均层电荷密度呈正相关。
- The space charge accumulation can be taken as a measure for withstand of electrical and water treeing in samples. 空间电荷的测量可作为衡量改善试样耐电树枝和水树枝能力的手段。
- The effects of the nearest neighbour Coulomb repulsion on the distribution of the charge density and the spin density are also discussed. 系统内的第三近邻电子跳跃相互作用与最近邻格点间电子Coulomb排斥相互作用之间存在着竞争。 此外,对系统中的电荷密度和自旋密度分布受最近邻格点间电子Coulomb相互作用影响情况亦进行了讨论。
- Morphology has apparent effects on electric field threshold of space charge initiation. 微观形态对空间电荷包产生的电场阈值有明显影响。
- The basic physical characteristics, like density,molecular weight,equilibrium water content,crosslink density and fixed charge density etc. 结果表明:温度敏感水凝胶的溶胀受离子强度和温度的影响很大,离子强度越高,溶胀率越低;
- But cationic charge density in molecular chain of flocculants is not unique dominating factor affecting the flocculation effect. 阳离子型絮凝剂分子链上的阳离子电荷密度不是影响絮凝效果的惟一主要因素;