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USGS Mineral Resources: PGE-Ni-Cr deposit and occurrence
From the site: "A compendium of previously published databases and database records that describe PGE, nickel, and chromium deposits and occurrences." -
Vanadium and nickel complexes in petroleum resid acid
Acid and base fractions from petroleum vacuum resids with no detectable (by visible spectrophotometry) quantities of porphyrinic Ni or V complexes were hydrotreated under... -
NIST Atomic Spectra Database - SRD 78
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-... -
NIST Atomic Spectral Line Broadening Bibliographic Database
This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 6000 references, dating from 1889 through current year and is updated... -
NIST Atomic Spectra Database - SRD 78
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-... -
NIST Atomic Energy Levels and Spectra Bibliographic Database
References contained in this database are from Bibliography on Atomic Energy Levels and Spectra, NBS Special Publication 363 and Supplements, as well as current references since...
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