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Biology. Math. Physics. Physical Reference Data. Elemental Data Index Provides access to the holdings of NIST Physical Measurement Laboratory online data organized by element. Periodic Table: Atomic Properties of the Elements Contains NIST critically-evaluated data on atomic properties of the elements. Suitable for high-resolution color printing for desk or wall-chart display. Contains values of the fundamental physical constants and a related bibliographic database. Contains databases for energy levels, wavelengths, and transition probabilities for atoms and ions and related bibliographic databases. Includes databases containing spectroscopic data for small molecules, hydrocarbons, and interstellar molecules.
Contains databases on thermophysical properties of gases, electron-impact cross sections (of atoms & molecules), potential energy surfaces of group II dimers, and atomic weights and isotopic compositions. Contains databases on the interaction of x-rays and gamma-rays with elements and compounds. Technology Review: The Authority on the Future of Technology. Free Science Books and Journals | Sciyo.com.