| 应用电声脉冲法的细胞膜电特性研究 |
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| 引用本文： | 张跃,钟力生,成林,程湘东,朱华. 应用电声脉冲法的细胞膜电特性研究[J]. 西安交通大学学报, 2011, 45(6): 81-84,123 |
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| 作者姓名： | 张跃 钟力生 成林 程湘东 朱华 |
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| 作者单位： | 西安交通大学电力设备电气绝缘国家重点实验室,710049,西安 |
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| 基金项目： | 国家重点基础研究发展规划资助项目 |
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| 摘 要： | 首次将电声脉冲法(PEA)应用于研究脉冲电场下生物细胞的电特性,试样采用一种类似三文治的结构,可以看作是一种复合介质.利用PEA装置测量多层复合介质试样的一个关键问题在于声波会在界面处发生透射和反射,给测量带来很大的误差.通过对试样模型和声波传播过程的分析,求解出了界面处的声波传输方程.根据传输方程推导出波形修正公...
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| 关 键 词： | 电声脉冲法 细胞膜 复合介质 波形恢复 |
Study of Cell Membrane Charging Properties with Pulsed Electro-Acoustic Method |
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| ZHANG Yue,ZHONG Lisheng,CHENG Lin,CHENG Xiangdong,ZHU hua. Study of Cell Membrane Charging Properties with Pulsed Electro-Acoustic Method[J]. Journal of Xi'an Jiaotong University, 2011, 45(6): 81-84,123 |
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| Authors: | ZHANG Yue ZHONG Lisheng CHENG Lin CHENG Xiangdong ZHU hua |
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| Affiliation: | (Stake Key Laboratory of Electrical Insulation & Power Equipment,Xi′an Jiaotong University,Xi′an 710049,China) |
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| Abstract: | The pulsed electro-acoustic(PEA) method is firstly used to measure the charging properties of biological cells under a pulsed electric field by means of a sandwich-like model,which can be treated as composite dielectrics.For measuring space charge in the composite dielectrics with PEA method the reflection and absorption of acoustic wave at the interfaces often bring forth a great error.By analyzing and modeling the transmission of acoustic wave in samples,the transmission equations of sound wave at the int... |
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| Keywords: | pulsed electro-acoustic method cell membrane composite dielectrics waveform recovery |
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