| 触发电压对±100 kV多级多通道开关性能的影响 |
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| 引用本文： | 任洪波,毕于铁,秦元成,尚承伟,张林.触发电压对±100 kV多级多通道开关性能的影响[J].强激光与粒子束,2010,22(5):0. |
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| 作者姓名： | 任洪波 毕于铁 秦元成 尚承伟 张林 |
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| 作者单位： | 1.西北核技术研究所, 西安 71 0024; |
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| 基金项目： | 国家高技术研究发展计划(863计划)，高温高密度等离子体国家重点实验室基金 |
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| 摘 要： | 研制了一种用于快脉冲直线型脉冲变压器的±100 kV多级多通道火花开关，研究了触发电压极性、幅值对多级多通道火花开关触发性能的影响，分析了不同触发电压下开关各部分延时及抖动。研究结果表明:触发电压的极性对双极性多级多通道火花开关触发性能影响较小；开关的触发放电延时和抖动随着触发电压的增大而减小。进一步分析了多级多通道火花开关的触发击穿模式以及影响开关击穿延时和抖动的主要因素，提出了减小开关触发击穿延时及抖动的技术途径。
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| 关 键 词： | 直线型脉冲变压器 多级多通道 低抖动 气体火花开关 触发 |
| 收稿时间： | 1900-01-01; |
Synthesis of GeO2/SiO2 binary composite aerogel by cohydrolysis |
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| Ren Hongbo,Bi Yutie,Qin Yuancheng,Shang Chengwei,Zhang Lin.Synthesis of GeO2/SiO2 binary composite aerogel by cohydrolysis[J].High Power Laser and Particle Beams,2010,22(5):0. |
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| Authors: | Ren Hongbo Bi Yutie Qin Yuancheng Shang Chengwei Zhang Lin |
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| Affiliation: | 1.Northwest Institute of Nuclear Technology,P.O.Box 69-10,Xi’an 710024,China;2.State Key Laboratory of Electrical Insulation and Power Equipment,Xi’an Jiaotong University,Xi’an 710049,China |
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| Abstract: | A “one pot” procedure of synthesis of GeO2/SiO2 binary composite aerogel was presented. The precursors of GeO2 and SiO2 were vigorously stirred into homogenous mixture in alcohol solution and the stoichiometric calculation water was added to co-hydrolyze the solution at 0 ℃. After the clear sol obtained, ammonium was introduced into the sol to gelatinize the system. The solvent in gel pores was removed by supercritical CO2 to prepare composite aerogels. The as-synthesized aerogels were characterized by field-emission scanning electron microscopy(FESEM), high-resolution transmission electron microscopy(HRTEM) and Brunauer-Emmett-Teller(BET) N2 isothermal adsorption method. The FESEM micrograph shows that, the aerogels are made up of |
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| Keywords: | ICF backlight target olive-like nanoparticles |
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