| 核磁共振成像用的球形磁体和环形磁体性能比较 |
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| 引用本文： | 黄永仁,王今朝.核磁共振成像用的球形磁体和环形磁体性能比较[J].波谱学杂志,1986,3(1):21-26. |
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| 作者姓名： | 黄永仁 王今朝 |
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| 作者单位： | 华东师范大学物理系 |
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| 摘 要： | 本文对核磁共振成像用的球形空心线圈磁体和环形空心线圈磁体的性能进行计算机模拟比较证明环形磁体在很多方面可以与球形磁体相比拟。由于环形磁体加工容易,调节方便,因而可以取代球形磁体作成像仪器的主要部件。
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| 收稿时间： | 1985-08-05 |
A COMPARATION OF BEHAVIOUS OF A SPHERICAL SOLENOID AND A RING SOLENOID MAGNET USED IN NMR IMAGING |
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| Huang Yongren,Wang Jinjiao.A COMPARATION OF BEHAVIOUS OF A SPHERICAL SOLENOID AND A RING SOLENOID MAGNET USED IN NMR IMAGING[J].Chinese Journal of Magnetic Resonance,1986,3(1):21-26. |
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| Authors: | Huang Yongren Wang Jinjiao |
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| Institution: | Physics department of ECNU |
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| Abstract: | In general, the strength of magnetic field used in NMR Imaging is nut very high, such as 1H Imaging, it is less then 1 Tesla. Stability is about 10-7 and homogenity of magnetic field is less then 10-6. Such magnet can be provided by a spherical or a ring solenoid system.This report gives the relation between the field configuration and structure parameters of 4 winding spherical magnet and 8 winding ring magnet by means of computer simulution.It shows that these two system will be similar, if they arc designed appropriately. A ring solenoid magnet system can be used in NMR Imaging equipment instead of the spherical system. |
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