| 光杠杆法测固体线胀系数实验的改进 |
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| 引用本文： | 宋维才.光杠杆法测固体线胀系数实验的改进[J].唐山师范学院学报,2001,23(5):65-66. |
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| 作者姓名： | 宋维才 |
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| 作者单位： | 唐山师范学院,物理系,河北,唐山,063000 |
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| 摘 要： | 光杠杆法测固体线胀系数实验的测量误差主要产生于光杠杆的读数装置，提出了对光杠杆读数装置的改进方法，并通过改进前后测量误差的比较，阐明改进后的测量精度显著提高。
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| 关 键 词： | 光杠杆法 线胀系数 游标卡尺 读数装置 测量误差 高校 物理实验 |
| 文章编号： | 1009-9115(2001)05-0065-02 |
| 修稿时间： | 2001年3月6日 |
Improvement of the experiment for measuring the coefficient of linear expansion of a solid by using the optical lever |
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| SONG Wei-cai.Improvement of the experiment for measuring the coefficient of linear expansion of a solid by using the optical lever[J].Journal of Tangshan Teachers College,2001,23(5):65-66. |
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| Authors: | SONG Wei-cai |
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| Abstract: | The paper point out that the error of measurement in the experiment for measuring the coefficient of linear expansion of a solid by using the optical lever originates form the reading of the optical lever. A method to improve the reading device optical lever is proposed. By comparing the measurement error between the old method and the new one, we describe the feasibility and necessity of this improvement. |
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| Keywords: | Optical lever Vernier Calipers reading device |
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