| 千克重新定义研究的最新进展 |
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| 引用本文： | 李楠,张泽光,骆旭. 千克重新定义研究的最新进展[J]. 航空计测技术, 2012, 0(3): 8-11,39 |
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| 作者姓名： | 李楠 张泽光 骆旭 |
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| 作者单位： | 中航工业北京长城计量测试技术研究所,北京100095 |
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| 摘 要： | 经过几十年的发展,国际单位制基本单位——千克的重新定义以及向自然基准过渡取得了长足的进步。本文介绍了几种基于自然基准的千克定义方法及最新研究进展,阐述了各种方法的基本原理并分析了其优缺点,比较了各种方法的测量不确定度,在此基础上指出了千克重新定义方法的趋势和未来最可能成为千克自然基准的方法。
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| 关 键 词： | 千克 重新定义 国际单位制 |
Latest Progress in the Research of Redefining Kilogram |
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| LI Nan,ZHANG Zeguang,LUO Xu. Latest Progress in the Research of Redefining Kilogram[J]. Aviation Metrology & Measurement Technology, 2012, 0(3): 8-11,39 |
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| Authors: | LI Nan ZHANG Zeguang LUO Xu |
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| Affiliation: | (Changcheng Institute of Measurement ＆ Metrology,Beijng 100095 China) |
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| Abstract: | The research of redefining the SI unit kilogram has been developed for years and significant progress have been made.Several methods of defining kilogram based on natural standards and the latest research progresses are introduced in this paper.The fundamental principles and the advantages and disadvantages of different methods are described.Uncertainties of various methods are compared.The trend of redefining method of kilogram and the method which is most probable to become nature fundamental standard of kilogram are indicated. |
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| Keywords: | kilogram redefine SI |
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