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Recalibration of the U.S. National Prototype Kilogram
The U.S. national prototype kilogram, K20, and its check standard, K4, were recalibrated at the Bureau International des Poids et Mesures (BIPM). Both these kilograms are made of platinum-iridium alloy. Two additional kilograms, made of different alloys of stainless steel, were also included in the...
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| Τόπος έκδοσης: | J Res Natl Bur Stand (1977) |
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| Κύριος συγγραφέας: | |
| Μορφή: | Artigo |
| Γλώσσα: | Inglês |
| Έκδοση: |
National Institute of Standards and Technology
1985
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| Θέματα: | |
| Διαθέσιμο Online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6664201/ https://ncbi.nlm.nih.gov/pubmed/34566154 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.6028/jres.090.015 |
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