| 密立根油滴实验中平衡电压和下落时间关系的研究 |
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| 引用本文： | 胡永金,刘国营,罗时军,吴云沛,张西平,李富斌.密立根油滴实验中平衡电压和下落时间关系的研究[J].湖北汽车工业学院学报,2008,22(3):46-48. |
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| 作者姓名： | 胡永金 刘国营 罗时军 吴云沛 张西平 李富斌 |
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| 作者单位： | 湖北汽车工业学院,理学部,湖北,十堰,442002 |
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| 基金项目： | 湖北省高等学校优秀中青年科技创新团队基金 |
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| 摘 要： | 通过分析平衡电压和下落时间的隐函数关系表达式，推导出了两者之间的直接函数表达式和变化关系。同时用数值模拟和实验验证的方法，得到这样的结论：随着下落时间的逐渐增长，平衡电压是逐渐变小的，而且变化率是越来越小。实验过程中油滴质量的减小很好地解释了两者之间的变化关系。剔除掉由于电量减小造成的不合理数据可以提高实验的准确度。
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| 关 键 词： | 平衡电压 下落时间 函数关系 变化趋势 |
Study of Relationship between Equilibrium Voltage and Fall Time in Millikan Oil Drops |
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| Hu Yongjin,Liu Guoying,Luo Shijun,Wu Yunpei,Zhang Xiping,Li Fubin.Study of Relationship between Equilibrium Voltage and Fall Time in Millikan Oil Drops[J].Journal of Hubei Automotive Industries Institute,2008,22(3):46-48. |
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| Authors: | Hu Yongjin Liu Guoying Luo Shijun Wu Yunpei Zhang Xiping Li Fubin |
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| Institution: | (Department of Science, Hubei Automotive Industries Institute, Shiyan 442002, China) |
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| Abstract: | After analyzing implicit function relation expression of equilibrium voltage and fall time,direct function expression and change relation between them are deduced.Meanwhile,it is concluded that equilibrium voltage is gradually smaller with fall time longer and its change rate is smaller and smaller.The relationship of both is attributed to the decrease of oil drop mass.Rejecting the unreasonable data can enhance accuracy of the experiment due to the decrease of the charge. |
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| Keywords: | equilibrium voltage fall time function relation change trend |
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