普朗克常数h测定与质量量子基准的最新研究进展

doi:10.3969/j.issn.1000-1158.2013.01.20

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Abstract Redefinition of the International System of Units(SI)on basis of fundamental physical constants is topical issues,drawing their attentions of researchers in metrology all over the world. All kinds of electromechanical balances were used to measure the Plancks constant,including ampere balance,voltage balance,superconducting magnetic levitation project,watt balance and joule balance. Once precisely measuring the Plancks constant,it would be possible to eliminate the last artifact unit,kilogram,and realize a kind of novel quantum mass standard. The principle,apparatus and recent progress of different electromechanical balances are reviewed in details. The tendencies for measuring the Plancks constant and the future of quantum mass standard have also been predicted.

Key words： Metrology; Quantum mass standard; Plancks constant h; Ampere balance; Watt balance; Joule balance

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	Articles by authors
	HAN Bing
	HE Qing
	LI Shi-song
	ZHANG Zhong-hua
	LI Zheng-kun
	LI Chen

Cite this article:

HAN Bing,HE Qing,LI Shi-song, et al. Measurement of Plank Constant h and the Developments on Quantum Mass Standard[J]. Acta Metrologica Sinica, 2013, 34(1): 90-96.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2013.01.20 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2013/V34/I1/90

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