| 发丝线径分布及横截面形状研究--直条衍射应用实例 |
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| 引用本文： | 孙方晓.发丝线径分布及横截面形状研究--直条衍射应用实例[J].大学物理,2000,19(9):30-31. |
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| 作者姓名： | 孙方晓 |
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| 作者单位： | 天津师范大学教育学院,物理系,天津,300020 |
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| 摘 要： | 应用直条衍射理论，通过对人的发丝线径分布及横截面形状进行实验研究，得到发丝线径分布均匀、且发丝横截面具有规则几何形状这一符合实际的结论。这是用衍射原理测量微小的一种简单、有效的方法。
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| 关 键 词： | 衍射 发丝 线径分布 横截面形状 |
A research in the diameter distribution of hair and the shape of the cross section |
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| SUN Fang-xiao.A research in the diameter distribution of hair and the shape of the cross section[J].College Physics,2000,19(9):30-31. |
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| Authors: | SUN Fang-xiao |
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| Abstract: | After the experimental research in the diameter distribution of human hair and the shape of the cross section by using the diffraction method, it comes to the conclusion that the diameter of human hair is distributed evenly, and its cross section has regular geometric shape. It is an easy and effective way to measure tiny object by using the method of diffraction. |
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| Keywords: | Fraunhofer diffraction human hair |
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