SI基本单位量子化重新定义及其意义

doi:10.3969/j.issn.1000-1158.2020.02.01

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Abstract The revision of the International System of Units (SI) was approved by the 26th General Conference on Weights and Measures(CGPM 2018). The definitions of the kilogram, the ampere, the kelvin and the mole are based on the new physical concepts, the definitions of the meter, the second and the candela are reformulated. Using the rules of nature to create the rules of measurement, since then, the definitions of all the SI basic units have been derived from a set of seven defining constants and have been quantized. The new SI is more stable and universal, it provides opportunities and challenges in the fields of metrology for National Metrology Institutes around the world.

Key words： metrology SI base unit defining constant quantization definition

Received: 15 July 2019 Published: 17 February 2020

PACS:

TB91

Corresponding Authors: MA Aiwen E-mail: maaiwen@sina.com

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	MA Ai-wen
	QU Xing-hua

Cite this article:

MA Ai-wen,QU Xing-hua. The Quantized Redefinition of the SI and its Signification[J]. Acta Metrologica Sinica, 2020, 41(2): 129-133.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2020.02.01 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2020/V41/I2/129

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