| 磁场中电子荷质比的测定 |
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| 引用本文： | 周述苍,杨燕婷,周誉昌. 磁场中电子荷质比的测定[J]. 中国科技信息, 2009, 0(14): 36-37,40 |
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| 作者姓名： | 周述苍 杨燕婷 周誉昌 |
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| 作者单位： | 广东工业大学实验教学部,510006 |
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| 摘 要： | 介绍了磁场中测定电子荷质比的方法,详细讨论了威尔尼特管法及磁聚焦方法的基本原理,并采用这两种方法对电子荷质比进行测定,最后分析了测量过程中时测量结果影响较大的因素.
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| 关 键 词： | 威尔尼特管 磁聚焦 荷质比 |
The Measurement of the e/m of An Electron in the Magnetic Field |
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| Zhou Shucang,Yang Yanting,Zhou Yuchang. The Measurement of the e/m of An Electron in the Magnetic Field[J]. CHINA SCIENCE AND TECHNOLOGY INFORMATION, 2009, 0(14): 36-37,40 |
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| Authors: | Zhou Shucang Yang Yanting Zhou Yuchang |
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| Abstract: | The measurement methods of the e/m of an electron in magnetic were introduced.And the principles of measurement methods using Wechnett Cylinder and magnetic focusing were also discussed.The results of the e/m were measured by using the two methods.The factors which could affect the accuracy of the measurementt were analyzed in the last. |
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| Keywords: | Wechnett Cylinder magnetic focusing the ratio of the charge to the mass(e/m) |
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