| 关于磁聚焦法测定电子荷质比实验中荧光屏上显示的线段与所加励磁电流的关系 |
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| 引用本文： | 王勤,黄丽清.关于磁聚焦法测定电子荷质比实验中荧光屏上显示的线段与所加励磁电流的关系[J].大学物理实验,2004,17(3):4-7. |
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| 作者姓名： | 王勤 黄丽清 |
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| 作者单位： | 西安交通大学,西安,710049;西安交通大学,西安,710049 |
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| 摘 要： | 磁聚焦法是测定电子荷质比的一种有效方法，本在此实验的基础上，研究了实验测量过程中荧光屏上显示扫描的线段随所加的励磁电流的变化关系，包括线段的旋转角度和长度的变化。
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| 关 键 词： | 磁聚焦 电子荷质比 励磁电流 |
| 文章编号： | 1007-2934(2004)03-0004-04 |
| 修稿时间： | 2004年1月18日 |
Relationship Between Length of Line - Segments on Phosphor Screen and Exciting Current in Measuring Electronic Specific charge with the Method of Magnetic Focusing |
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| Wang Qin,Huang Liqing.Relationship Between Length of Line - Segments on Phosphor Screen and Exciting Current in Measuring Electronic Specific charge with the Method of Magnetic Focusing[J].Physical Experiment of College,2004,17(3):4-7. |
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| Authors: | Wang Qin Huang Liqing |
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| Abstract: | It's a effect mothod in measuring electronic specific charge with the magnetic focusing.Based on this experiment,relationship between line-segments scanned by electrons on phosphor screen and exciting current has been studied,including the change of rotation angle and length of line-segment. |
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| Keywords: | magnetic focusing electronic specific charge exciting current |
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