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...d in each of the two perpendicular directions are different. [[Hankinson's equation]] provides a means to quantify the difference in strength in different dire ...ol{K}</math> is the second-order material tensor. If we express the above equation in terms of components with respect to an [[orthonormal]] [[coordinate syst

...in electrochemistry as well as fluid mechanics need to be considered. The Poisson Nernst Planck (PNP) equations are utilized to describe ionic current flowin The PNP equations consist of the [[Poisson equation]]:<ref>Daiguji, H.; Oka, Y.; Shirono, K.; "Nanofluidic Diode and Bipolar Tr

Pierre Gy derived, from the Poisson sampling model, the following formula for the variance of the [[sampling er It must be noted that the above equation for the variance of the sampling error is an approximation based on a [[lin

===Using the Poisson-Boltzmann equation=== ...difference]] Poisson-Boltzmann"). The PBE is a modification of [[Poisson's equation]] that incorporates a description of the effect of solvent ions on the elec

! equation: || <math>k_{\mathrm{H,pc}} = \frac{p}{c}</math> || <math>k_{\mathrm{H,cp}} ...literature must be quite careful to note which version of the Henry's Law equation is being used.<ref name=SmithandHarvey/>

! Equation !! Field !! Person(s) named after ...=Display&handle=euclid.jdg/1214454300 |title=Convergence of the Allen-Cahn equation to Brakke's motion by mean curvature|publisher=Cornell University Library

| [[Arrhenius equation]] || Chemical kinetics || [[Svante Arrhenius]] | [[Bernoulli's principle]]<br />[[Bernoulli's principle|Bernoulli's equation]] || Physical sciences || [[Daniel Bernoulli]]

...ilters are those filters which can be described with [[linear differential equation]]s (linear); they are composed of [[capacitor]]s, [[inductor]]s and, someti ...tributed elements]] in all. This model is now known as the [[telegrapher's equation]] and the distributed elements are called the [[primary line constants]].<r