| 剖析质子在磁场中运动聚焦问题 |
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| 引用本文： | 王丹,印大民,王雯,韩玖荣.剖析质子在磁场中运动聚焦问题[J].扬州职业大学学报,2012,16(2):47-49. |
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| 作者姓名： | 王丹 印大民 王雯 韩玖荣 |
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| 作者单位： | 1. 扬州大学,江苏扬州,225009
2. 扬州职业大学,江苏扬州,215009 |
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| 摘 要： | 针对质子在磁场中运动聚焦的问题（2010年江苏高考物理第9题），分析了附加磁场的边界形状以及其与原磁场方向的关系，发现附加磁场边界与质子进入磁场速度的方向、附加磁场的大小和方向等有明确关系。对文献2]中关于附加磁场方向不确定的观点给予否定。
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| 关 键 词： | 剖析 磁场 聚焦 |
Probe into the Focus on Motion of Protons in the Magnetic Field |
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| WANG Dan,YIN Da-min,WANG Wen,HAN Jiu-rong.Probe into the Focus on Motion of Protons in the Magnetic Field[J].Journal of Yangzhou Polytechnic College,2012,16(2):47-49. |
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| Authors: | WANG Dan YIN Da-min WANG Wen HAN Jiu-rong |
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| Institution: | 1(1.Yangzhou University,Yangzhou 225002,China;2.Yangzhou Polytechnic College,Yangzhou 225009,China) |
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| Abstract: | In view of the focus on motion of protons in the magnetic field,this paper analyses question 9 on physics test of Jiangsu College Entrance Examination.Then it makes an analysis and discussion on the boundary shape of the additional magnetic field and its connection with the direction of the original.The result shows that the boundary shape of additional magnetic field is clearly relevant with the incident velocity of the protons,the magnitude and direction of the additional magnetic field.It denies the viewpoint in reference No.2 that the direction of the additional magnetic field is uncertain and makes a discussion by drawing boundary graphs of the additional magnetic field. |
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| Keywords: | probe magnetic field focus |
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