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Article ID: CBB001024775

50th Anniversary of the International System of Units, SI (2011)

Kuleff, I. (Author)

Khimiya/Chemistry: Bulgarian Journal of Chemical Education
Volume: 20
Pages: 174--182

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Measurement Exactness; precision; accuracy Memorials; commemorations Law and legislation Standards and standardization Measuring instruments Metric system 20th century, late 21st century Bulgaria

The present article marks the 50th anniversary of the introduction of the International System of Units, SI. The basic SI quantities and their units are considered. The evolution of the definitions of two them, namely 'meter' and 'second' is traced. The legislation of SI in Bulgaria is commented.

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Description Includes discussion on the legislation adopting SI units in Bulgaria.

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https://data.isiscb.org/isis/citation/CBB001024775/

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