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4 datasets found

Federal

NIST-CODATA Internationally Recommended 2022 Values of the Fundamental Physical Constants - SRD 121

National Institute of Standards and Technology —

This site, developed in the Physics Laboratory at NIST, addresses three topics: fundamental physical constants, the International System of Units (SI), which is the...
- TEXT
- HTML
Federal

NIST X-Ray Form Factor, Attenuation and Scattering Tables - SRD 66

National Institute of Standards and Technology —

This database collects tables and graphs of the form factors, the photoabsorption cross section, and the total attenuation coefficient for any element (Z <= 92)....
- HTML
Federal

NIST X-Ray Form Factor, Attenuation and Scattering Tables - SRD 66

Department of Commerce —

This database collects tables and graphs of the form factors, the photoabsorption cross section, and the total attenuation coefficient for any element (Z <= 92)....
- HTML
Federal

NIST-CODATA Internationally Recommended 2022 Values of the Fundamental Physical Constants - SRD 121

Department of Commerce —

This site, developed in the Physics Laboratory at NIST, addresses three topics: fundamental physical constants, the International System of Units (SI), which is the...
- TEXT
- HTML

4 datasets found

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