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Add new Web site: CORE - Adapting the International System of Units to the 21st century (PDF). |
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Dec 21, 2024 |
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Add new Web site: AIP Publishing - Physics Today - A more fundamental International System of Units. |
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Jul 25, 2024 |
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Add new Web site: MHCC Library Press - The International System of Units (SI Units). |
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Nov 10, 2023 |
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Add new Web site: International Electrotechnical Commission - History of the SI. |
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Aug 17, 2023 |
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Add new Web site: National Institute of Standards and Technology - SI Units. |
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Mar 31, 2023 |
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Corrected display issue. |
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Mar 20, 2023 |
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Add new Web site: Academia - A concise summary of the International System of Units. |
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Jan 06, 2023 |
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Add new Web site: Chemistry LibreTexts Library - The International System of Units. |
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Oct 20, 2022 |
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Changed “TheCGPM added” to “The CGPM added.” |
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Jul 30, 2020 |
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Article revised and updated. |
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May 12, 2020 |
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Media added. |
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Apr 09, 2020 |
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Media added. |
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Mar 18, 2020 |
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Article revised and updated. |
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Nov 19, 2018 |
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Add new Web site: National Center for Biotechnology Information - PubMed Central - The international system of units (SI) in historical perspective. |
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Sep 15, 2017 |
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Material about the decision by the CPGM in 2011 to begin to redefine the mole, the kelvin, the ampere, and the kilogram added. |
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Mar 29, 2013 |
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Add new Web site: Convert Units - Measurement Unit Converter. |
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Sep 13, 2010 |
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Table revised and updated. |
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Jan 28, 2009 |
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Added new Web site: National Institute of Standards and Technology (NIST) - International System of Units (SI). |
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Nov 07, 2006 |
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Article revised. |
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Apr 29, 2004 |
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Article added to new online database. |
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Jul 20, 1998 |
