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The Dissemination of Mass in the United States: Results and Implications of Recent BIPM Calibrations of US National Prototype Kilograms
The National Institute of Standards and Technology (NIST) is responsible for the dissemination of the unit of mass within the United States of America through the national prototype kilogram K20 and its check standard K4. These platinum-iridium artifacts have been in use since 1889 and are periodica...
Wedi'i Gadw mewn:
| Cyhoeddwyd yn: | J Res Natl Inst Stand Technol |
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| Prif Awduron: | , |
| Fformat: | Artigo |
| Iaith: | Inglês |
| Cyhoeddwyd: |
[Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology
2014
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| Pynciau: | |
| Mynediad Ar-lein: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4487295/ https://ncbi.nlm.nih.gov/pubmed/26601023 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.6028/jres.119.001 |
| Tagiau: |
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