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Étalons métrologiques fondamentaux

Abstract : The International System of Units (SI) adopted by the “Conférence générale des poids et mesures” in 1960 is the outcome of several decades of fruitful research in the setting-up of a consistent system of measurement units. The SI was designed so that in principle, any measurement of a physical or chemical quantity can be expressed as a number in some specified unit. Any quantity can be expressed by a combination of the seven base units of the SI. The definitions of the seven base units are presented with a short description of how they are used in practice. In addition, the particular case of units for ionizing radiation is presented, together with the principle of calibration chains.
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Contributor : Marie-France Robbe Connect in order to contact the contributor
Submitted on : Thursday, October 27, 2022 - 4:50:11 PM
Last modification on : Saturday, October 29, 2022 - 3:33:59 AM



Maguelonne Chambon, Bruno Chauvenet, Davis Richard, Jimmy Dubard, F. Le Frious, et al.. Étalons métrologiques fondamentaux. Techniques de l’Ingénieur. Techniques d'Analyse, 2021, pp.R50 v3. ⟨10.51257/a-v3-r50⟩. ⟨cea-03832454⟩



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