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电除尘器电场的工作特性分析在生产实际中的应用
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作者 张兴奎 段国明 张健 《黑龙江电力》 CAS 2005年第4期287-291,共5页
针对哈三电厂电除尘器在实际运行中存在的问题,应用电除尘器工作特性分析方法,能较快的查找原因,解决实际问题,减少检修盲目性,提高设备的完好率,从而提高了电除尘器的效率。
关键词 电除尘器 电场工作特性 V—A特性曲线 效率
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GEM探测器的计数性能研究 被引量:1
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作者 苏青峰 夏义本 +3 位作者 王林军 汪琳 刘健敏 史伟民 《上海有色金属》 CAS 2005年第3期110-113,共4页
采用真空热蒸发法在50μm的聚酰亚胺薄膜上蒸镀5μm^8μm的铜层,并用激光掩模打孔法在其上制备了孔径80μm、孔间距285μm的GEM复合薄膜,成功组装了20mm×20mm的GEM探测器。对GEM探测器在55Fe X射线(5.9keV)辐照下进行了脉冲幅度分... 采用真空热蒸发法在50μm的聚酰亚胺薄膜上蒸镀5μm^8μm的铜层,并用激光掩模打孔法在其上制备了孔径80μm、孔间距285μm的GEM复合薄膜,成功组装了20mm×20mm的GEM探测器。对GEM探测器在55Fe X射线(5.9keV)辐照下进行了脉冲幅度分布谱测试,讨论了漂移区电场、ΔGEM电场、收集区电场对探测器记数的影响。结果表明,随着漂移区电场的增加,计数先增加后减小,在13kV/cm时达到最大值9.7×104。随着ΔGEM电场的增加,记数呈指数增长,最大可达1.2×104。随着收集区电场的增加,计数增大并趋向饱和,最大可达1.3×105。 展开更多
关键词 电子倍增器 X射线 工作电场 计数
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400m2烧结机电除尘器故障原因分析与治理
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作者 王晓东 《冶金设备管理与维修》 2011年第4期7-8,共2页
结合生产实际和现存问题及设备运行情况的调研分析,介绍了电除尘器优化治理的成果和下一步要努力改进的项目。
关键词 电除尘器 刮板机 气体输灰 泄漏 电场工作
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Physiological and Biochemical Response of Artificial Wetland Plant under Electric Field 被引量:6
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作者 卢守波 宋新山 +2 位作者 张涛 王道源 严登华 《Agricultural Science & Technology》 CAS 2010年第5期121-124,共4页
By measuring wetland plants chlorophyll content,malondialdehyde(MDA) content and superoxide dismutase(SOD) enzyme activity,the changes of wetland plant physiological characeristics under different power strength were ... By measuring wetland plants chlorophyll content,malondialdehyde(MDA) content and superoxide dismutase(SOD) enzyme activity,the changes of wetland plant physiological characeristics under different power strength were studied,and the mechanism of electric field on plant physiological characteristics was analyzed to provide a theoretical basis for the pollutant removal ability strengthening of artificial wetland under electricfield.The results showed that compared with the control plants,low-intensity-voltage(1 V and 3 V) had no significant effect on the normal physiological and biochemical indexes of the plants,and the growth trend was better than the control group;with the voltage increasing,plant chlorophyll content,MDA content and SOD activity were greatly affected,indicating that plants were under strong oxidative stress,and the growth was damaged.Therefore,a suitable electric field could enhance the sewage treatment effect of constructed wetland. 展开更多
关键词 Electric field Artificial wetland plant Physiological and biochemical indexes Response
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Assessment of the Influence of Paper Insulation on the Discharge Initiation in Oil
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作者 Pawel Rozga Dariusz Hantsz 《Journal of Energy and Power Engineering》 2013年第10期1837-1843,共7页
The results of the assessment of the influence of paper insulation on the discharge initiation in oil were presented in this paper. This assessment based on the results of performed experimental works and on the analy... The results of the assessment of the influence of paper insulation on the discharge initiation in oil were presented in this paper. This assessment based on the results of performed experimental works and on the analysis of electrical field distribution. Both types of the studies were connected with the model HV (high voltage) electrode setups covered by paper and immersed in oil. Experimental works indicated that the source of "weak points" of paper-oil model electrode setup is oil, not the surface of metal or insulation wrapping. Such hypothesis, resulting mainly from the measured times to initiations of discharges developing from bare and insulated HV electrodes, was verified by the analysis of electrical field distribution performed on the basis of finite element method applied in the COMSOL Multiphysics software. This analysis confirmed preliminary the made hypothesis. Correlation with the most stressed oil volume law was also observed. 展开更多
关键词 Paper-oil insulation volume effect in oil discharges in oil finite element method high voltage.
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