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  "description": "This site, developed in the Physics Laboratory at NIST, addresses three topics: fundamental physical constants, the International System of Units (SI), which is the modern metric system, and expressing the uncertainty of measurement results.",
  "distribution": [
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      "format": "text/html",
      "mediaType": "text/html",
      "title": "DOI Access for NIST-CODATA Internationally Recommended 2014 Values of the Fundamental Physical Constants - SRD 121"
    },
    {
      "description": "CODATA Internationally recommended 2014 values of the Fundamental Physical Constants expressed in ascii text.",
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  "identifier": "FDB5909746705200E043065706813E54120",
  "keyword": [
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  "landingPage": "https://data.nist.gov/od/id/FDB5909746705200E043065706813E54120",
  "language": [
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  "license": "https://www.nist.gov/open/license",
  "modified": "2014-01-01 00:00:00",
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    "Physics:Atomic, molecular, and quantum",
    "Physics:Electron physics",
    "Physics:Magnetics",
    "Physics:Nuclear physics",
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  "title": "NIST-CODATA Internationally Recommended 2022 Values of the Fundamental Physical Constants - SRD 121"
}