| 电桥法测杨氏模量的实验研究 |
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| 引用本文： | 彭涛,王新春,王宇,王昆林,司民真.电桥法测杨氏模量的实验研究[J].大学物理实验,2011,24(1):51-54. |
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| 作者姓名： | 彭涛 王新春 王宇 王昆林 司民真 |
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| 作者单位： | 楚雄师范学院; |
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| 基金项目： | 2010年国家级特色专业(编号:12467) |
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| 摘 要： | 本文引入了电桥法测量杨氏模量,用自制平行板电容器对传统的实验装置进行改进,用电容的变化来表征微小位移的变化,通过实验原理、误差分析,结合测量结果,由此给出了一种测量杨氏模量的新的方法.
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| 关 键 词： | 交流电桥 自制平行板电容器 杨氏模量 |
Bridge Method of Measuring Young's Modulus of the Experimental Study |
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| PENG Tao,WANG Xin-chun,WANG Yu,WANG Kun-lin,SI Min-zhen.Bridge Method of Measuring Young's Modulus of the Experimental Study[J].Physical Experiment of College,2011,24(1):51-54. |
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| Authors: | PENG Tao WANG Xin-chun WANG Yu WANG Kun-lin SI Min-zhen |
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| Institution: | PENG Tao,WANG Xin-chun,WANG Yu,WANG Kun-lin,SI Min-zhen(Chuxiong Normal University,Yunnan,Chuxiong 675000) |
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| Abstract: | This paper introduces a method of electricity bridge for measuring Young's modulus.The approach improves the traditional instruments by using self-made parallel plate capacitor.The small displacement is characterized by change of capacitance.The approach provided a new solution to measure Young's modulus through the analysis of the principle,argumentation of the error and results of the experiment. |
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| Keywords: | the AC electricity bridge self-made parallel plate capacitor Young's modulus |
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