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内容説明 Mirroring the growth and direction of science for a century， the CRC Handbook of Chemistry and Physics， now in its 92nd edition， continues to be the most accessed and respected scientific reference in the world， used by students and Nobel Laureates. Available in its traditional print format， the Handbook is also available as an innovative interactive product on CD-ROM and online. Among a wealth of enhancements， this edition analyzes， updates， and validates molecular formulas and weights， boiling and melting points， densities， and refractive indexes in the Physical Constants of Organic Compounds Table through comparisons with critically evaluated data from the NIST Thermodynamics Research Center. New and Updated Tables Standards for laboratory weights Virial coefficients of polymer solutions and on polymer solubilities Major update on Atomic Radii of the Elements table Expansion of table on the Viscosity of Liquid Metals Update on permittivity of water vapor Update on the viscosity of gases (water and helium) Expansion of the table on Electron Inelastic Mean Free Paths Update of table on Threshold Limits for Airborne Contaminants