| 基于自然常数的国际单位制重新定义 |
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| 引用本文： | 原遵东.基于自然常数的国际单位制重新定义[J].中国科技术语,2019,21(3):28-30. |
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| 作者姓名： | 原遵东 |
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| 作者单位： | 中国计量科学研究院,北京,100029 |
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| 摘 要： | 第26届国际计量大会批准了全部以自然常数重新定义的国际单位制(SI)。新定义不再依赖任何实物计量基准,使国际单位制更具稳定性和普适性。文章介绍了国际单位制的沿革和重新定义的国际单位制的内容。
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| 关 键 词： | 测量 国际单位制 基本单位 基本常数 自然常数 重新定义 |
| 收稿时间： | 2019-05-09 |
Redefinition of International System of Units Based on Constants of Nature |
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| YUAN Zundong.Redefinition of International System of Units Based on Constants of Nature[J].Chinese Science and Technology Terms Journal,2019,21(3):28-30. |
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| Authors: | YUAN Zundong |
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| Abstract: | The 26th meeting of the General Conference on Weights and Measures (CGPM) approved the revision of the international system of units (SI). The definitions of all the units of the revised SI have been linked to constants of nature, which no longer rely on any physical artifacts and guarantee their stability and universality. This paper introduces the evolution of and the content of the redefined SI. |
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| Keywords: | measurement international system of Units (SI) base unit fundamental constant constant of nature redefinition |
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