Physical constants

Results: 285



#Item
151Amount of substance / Mass / Molar mass constant / Avogadro constant / Atomic mass constant / Molar mass / Atomic mass / Dimensionless physical constant / Conventional electrical unit / Chemistry / Physical constants / Measurement

From: http://physics.nist.gov/constants Fundamental Physical Constants — Adopted values Relative std. uncert. ur

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Source URL: physics.nist.gov

Language: English - Date: 2011-12-23 13:24:29
152Mass / Orders of magnitude / Dimensionless physical constant / Physical constants / Units of energy / Hartree

From: http://physics.nist.gov/cuu Energy Equivalents J kg

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Source URL: physics.nist.gov

Language: English - Date: 2011-12-23 13:24:23
153Mass / Orders of magnitude / Physical constants / Units of energy / Hartree

From: http://physics.nist.gov/constants Energy Equivalents Relevant unit J

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Source URL: physics.nist.gov

Language: English - Date: 2011-06-02 19:00:28
154Molar volume / Volume / Metre / Lattice constant / Physical constant / Dimensionless physical constant / Measurement / Metrology / SI base units

From: http://physics.nist.gov/constants Fundamental Physical Constants — X-ray values Symbol Value

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Source URL: physics.nist.gov

Language: English - Date: 2011-06-02 19:00:28
155Chemistry / Atomic mass constant / Fine-structure constant / Avogadro constant / Planck constant / Electron rest mass / Dimensionless physical constant / Rydberg constant / Elementary charge / Physics / Physical constants / Measurement

CODATA Recommended Values of the Fundamental Physical Constants: 2010 Peter J. Mohr, a) Barry N. Taylor, b) and David B. Newell c) National Institute of Standards and Technology, Gaithersburg, Maryland[removed], USA (

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Source URL: physics.nist.gov

Language: English - Date: 2013-01-02 14:14:49
156Toxicology / Endocrine disruptors / Organochlorides / Environmental chemistry / Physical constants / Exposure assessment / Cancer slope factor / Reference dose / Dimensionless quantity / Anatomy / Medicine / Biology

EPA: OSWER: Risk Assessment: Guidance for Superfund Volume I: Human Heatlh Evaluation Manual (Part E, Supplemental Guidance for Dermal Risk Assessment)

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Source URL: www.epa.gov

Language: English - Date: 2012-12-18 12:25:59
157Amount of substance / Mass / SI base units / Chemical properties / Molar mass constant / Atomic mass constant / Avogadro constant / Atomic mass / Molar mass / Measurement / Chemistry / Physical constants

From: http://physics.nist.gov/constants Fundamental Physical Constants — Adopted values Quantity relative atomic mass1 of 12 C molar mass constant

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Source URL: physics.nist.gov

Language: English - Date: 2011-06-02 19:00:28
158Magnetism / Particle physics / Nuclear physics / Electronvolt / Nuclear magneton / Bohr magneton / G-factor / Atomic mass constant / Electron rest mass / Physics / Physical constants / Atomic physics

From: http://physics.nist.gov/constants Fundamental Physical Constants — Extensive Listing Quantity Symbol

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Source URL: physics.nist.gov

Language: English - Date: 2011-12-23 13:24:23
159Astronomy / Physical constants / Celestial mechanics / Precession / Astronomical constant / Gaussian gravitational constant / Astronomical unit / Gravitational constant / Axial precession / Measurement / Time scales / Physics

K6 ASTRONOMICAL CONSTANTS Selected Astronomical Constants The Defining Constants (1) and Current Best Estimates (2) were adopted by the IAU 2009 GA, while

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Source URL: asa.usno.navy.mil

Language: English - Date: 2012-12-09 19:46:06
160Celestial mechanics / Physical constants / Gravitation / Mass / Planetary mass / Gaussian gravitational constant / Astronomical system of units / Astronomical constant / Astronomical unit / Astronomy / Space / Planetary science

K6 ASTRONOMICAL CONSTANTS IAU[removed]System of Astronomical Constants Units:

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Source URL: asa.usno.navy.mil

Language: English - Date: 2012-12-09 19:46:34
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