| Fractal characteristics of electric properties of coal |
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| 作者姓名： | 刘成伦 徐龙君 鲜学福 |
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| 作者单位： | [1]Department of Applied Chemistry, Chongqing University, Chongqing 400044, China [2]Key Laboratory for the Exploitation of South-West Resources and Environmental Disaster Control Engineering of Ministry of Education, Chongqing University, Chongqing 400044, China |
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| 基金项目： | Supported by Key Project of Chinese National Programs for Fundamental Research and Development（973 Project 2005CB221502） |
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| 摘 要： | In the light of fractal geometry theory, the characteristics of coal＇s electric parameters （including dielectric constant, alternating conductivity, dielectric loss angle tangent and electric polarization constant） were studied by using literature data. The results are shown that the electrical properties of coal have fractal characteristic. The fractal dimensions of dielectric, alternating conductivity, dielectric loss angle tangent were obtained, and are relative to the content of pyrite sulfur, heat and ash content of coal.
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| 关 键 词： | 煤炭 分形维数 介电常数 电极化 介电损耗角正切 |
Fractal characteristics of electric properties of coal |
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| LIU Cheng-lun, XU Long-jun, XIAN Xue-fu.Fractal characteristics of electric properties of coal[J].Journal of Coal Science & Engineering(China),2006,12(1):52-55. |
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| Authors: | LIU Cheng-lun XU Long-jun XIAN Xue-fu |
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| Affiliation: | 1. Department of Applied Chemistry, Chongqing University, Chongqing 400044, China; 2. Key Laboratory for the Exploitation of South-West Resources and Environmental Disaster Control Engineering of Ministry of Education, Chongqing University, Chongqing 400044, China |
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| Abstract: | |
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| Keywords: | coal fractal dimension dielectric constant alternating conductivity electric polarization dielectric loss angle tangent time-fractal |
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