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...ry factor and the charge transfer coefficient are [[dimensionless quantity|dimensionless]].<ref>IUPAC. ''Quantities, Units and Symbols in Physical Chemistry'' ("The ...ef><ref>IUPAC. ''ELECTRODE REACTION ORDERS, TRANSFER COEFFICIENTS AND RATE CONSTANTS. APPLICATION OF DEFINITIONS AND RECOMMENDATIONS FOR PUBLICATION OF PARAMETE ...

| dimensionless | dimensionless ...

...that of the [[electron mass|electron]] (a [[lepton]] found in atoms), a [[dimensionless quantity]], namely: ''μ'' is an important [[Dimensionless physical constant|fundamental physical constant]] because: ...

...stics of the system, and it is usually required by the construction of a [[dimensionless quantity]], in the general framework of [[dimensional analysis]] and in par [[Category:Physical constants]] ...

...irac]] in 1937 [[Dirac large numbers hypothesis|speculated]] that physical constants such as the [[gravitational constant]] or the [[fine-structure constant]] m ...reprints/lsa2010.pdf CODATA Recommended Values of the Fundamental Physical Constants: 2010]" (March 15, 2012): ...

where <math>G</math> and <math>\Lambda</math> are constants. The first term is the familiar law of universal gravitation, the second on ...| last2 = Stepanian | first2 = A. | year = 2018 | title = Two fundamental constants of gravity unifying the dark matter and the dark energy | url = | journal = ...

...gammae CODATA Value: electron gyromagnetic ratio], ''The NIST Reference on Constants, Units, and Uncertainty''</ref> This value is very close to that used for F is called the dimensionless damping tensor. The damping tensor is often considered a phenomenological c ...

...er colour=#0073CF|background colour=#F5FFFA}}where <math>\xi</math> is the dimensionless radius and <math>\psi</math> is the related to the density of the gas spher where <math>A</math> and <math>\delta</math> are constants which will be obtained with numerical solution. This behavior of density g ...

...he tables also include [[number|pure numbers]], dimensionless ratios, or [[dimensionless physical constant]]s; these topics are discussed in the article. ...|| [[medicine]] ([[hemodialysis]] and [[peritoneal dialysis]] treatment; dimensionless [[time]]) ...

...e=2019-03-22 |access-date=December 10, 2019 |website=The NIST reference on constants, Units and Uncertainty. |publisher=National Institute of Standards and Tech ...mid|url-status=live|access-date=24 June 2021|website=The NIST Reference on Constants, Units, and Uncertainty|archive-url=https://web.archive.org/web/20001206091 ...

...>{{cite journal|author=Z. Li and C. Bradt|title=The single-crystal elastic constants of cubic (3C) SiC to 1000°C|journal=Journal of Materials Science|date=July where <math>C_{ij}</math> refers to [[Hooke's Law|Elastic constants]] in [[Voigt notation]]. ...

{{short description|Units of measurement based on universal physical constants}} ...e the system of units and the relevant physical laws contain no conversion constants. ...

...pply units other than SI units, you must establish correct unit conversion constants for the multiphase flow equations. ...bility]] is defined in non-SI units. That is why there are no unit-related constants. The petroleum industry doesn't use the SI units. Instead, they use a speci ...

...pressure gradient as a cosine function, and the other graphs (in red) show dimensionless velocity profiles for different Womersley numbers.]] | {{math|α}} || is the [[dimensionless]] [[Womersley number]], ...

...reduce the number of [[free parameter]]s. Small or large sizes of certain dimensionless parameters indicate the importance of certain terms in the equations for th ...uations need to be dimensionless, a suitable combination of parameters and constants of the equations and flow (domain) characteristics have to be found. As a r ...

Here, <math>A</math>, <math>B</math> and <math>C</math> are constants. The two terms on the right-hand side constitute a repulsion and an attract where ''A'', ''B'', and ''C'' are suitable constants and the additional term is the [[electrostatic potential energy]]. ...

...lthough they are typically expressed in the [[per-unit system]] and thus [[dimensionless]]. Since for practically all (except for the tiniest) machines the resistan ...

...c2 are integration constants that need to be determined. To determine the constants, we require three boundary conditions. The two no-slip conditions are: ...ub>2</sub> ​= 0. The final solution for the velocity field is expressed in dimensionless form below to highlight its physical significance. ...

=====Fisher’s constants===== ...ing biological diversity''. Blackwell Scientific, Oxford.</ref> Fisher's [[dimensionless]] ''α'' is often used as a measure of biodiversity, and indeed has recently ...

...math>K</math>) is the ''flow consistency index'' and <math>n</math> is the dimensionless ''flow behavior index''.<ref name=":0" /> ...ions showed that modeling slow squeeze flow generated inaccurate power law constants (<math>m</math> and <math>n</math>) using a standard [[viscometer]], and fa ...