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...alPublications/NIST.SP.330-2019.pdf}}</ref>{{rp|at= Section 2.3.4: Derived units, Table 4}} Sound energy density, denoted ''w'', is defined by ...

...}}</ref> The [[International System of Units|SI unit]] of radiant [[energy density]] is the [[joule]] per [[cubic metre]] (J/m³). ...vlněním]. Department of Physics, Faculty of Applied Sciences, [[University of West Bohemia]]. 2005-11. Visited 2013-10-06</ref> ...

...o|power per area|Surface power density|power per frenquency|Power spectral density}} | name = Power density ...

'''Energy flux''' is the rate of transfer of [[energy]] through a surface. The quantity is defined in two different ways ...tle=Solar Physics Glossary|publisher=Nasa|accessdate=2008-12-24}}</ref> SI units: W = J⋅s⁻¹. ...

{{short description|Amount of power radiated through a given area}} ...[[planetary boundary layer]]. Radiative flux also acts as a generalization of [[heat flux]], which is equal to the radiative flux when restricted to the ...

{{Short description|Measure of radiant energy over time}} {{Redirect-distinguish|Spectral power|Spectral power density}} ...

{{Short description|Energy density associated with a magnetic field}} ...gnetic pressure force perpendicular to the magnetic field in the direction of decreasing magnetic field strength.]] ...

{{Short description|Intensity of electromagnetic radiation}} ...irect|Radiation intensity|ionizing radiation|Radiation flux|other measures of electromagnetic radiation|Light intensity (disambiguation)}} ...

{{Short description|Type of stress-energy tensor}} ...pacetime]]. The electromagnetic stress–energy tensor contains the negative of the classical [[Maxwell stress tensor]] that governs the electromagnetic in ...

...and their presentation.<ref>{{cite web |title=ISO 31-0:1992 Quantities and units — Part 0: General principles |url=https://www.iso.org/standard/3621.html |p ...ystem of Quantities'' (ISQ). ISO/IEC 80000 supersedes both ISO 31 and part of IEC 60027. ...

...mbols in Physical Chemistry | year=2007 | location=Cambridge | pages=6 (20 of 250 in PDF file) | isbn=978-0-85404-433-7 | edition=3rd|display-authors=eta ...original concept. The divisor quantity is not restricted to mass, and name of the divisor is usually placed before "specific" in the full term (e.g., "[[ ...

In [[physics]] and [[engineering]], '''surface power density''' is [[power (physics)|power]] per unit [[area]]. ...lectromagnetic radiation]] can be expressed in W/m². An example of such a quantity is the [[solar constant]]. ...

{{Short description|Weight per unit volume of a material}} {{Distinguish|Specific gravity|Specific density|Specific force}} ...

...]. It may also be used for the [[kinetic energy]] or [[potential energy]] of a body. Specific energy is an [[intensive property]], whereas energy and m ...ostly in food-related topics, and [[watt hour]]s per kilogram in the field of batteries. In some countries the [[Imperial System|Imperial unit]] [[BTU]] ...

...e could calculate the intensity of the [[kinetic energy]] carried by drops of water from a [[garden sprinkler]]. ...le, the intensity of an electromagnetic wave is proportional to the square of the wave's [[electric field]] amplitude. ...

{{Short description|Complexity of communication}} ...mber of higher structural items in a composition, such as the total number of clauses in the sentences.<ref name="Castello2008p48"/><ref name="Camiciotto ...

{{short description|4D analogue of electric current density}} ...eral relativity]], the '''four-current''' (technically the '''four-current density''')<ref>{{cite book ...

{{Short description|Physical quantity, density of magnetic moment per volume}} ...tic materials react to a magnetic field|magnetism|mathematical description of fields surrounding magnets and currents|magnetic field}} ...

{{Short description|Mmeasures the probability of an absorption process}} ...niversite.fr/hal-03630004/file/2ehn-25022022-04042022.pdf |journal=Journal of Quantitative Spectroscopy and Radiative Transfer |volume=283 |pages=108141 ...

...ations spanning multiple lines. It is therefore convenient to collect many of these terms in the Maxwell stress tensor, and to use tensor arithmetic to f ...total [[stress–energy tensor]]. The latter describes the density and flux of energy and momentum in [[spacetime]]. ...