aeroacoustics (redirected fromLighthill's Equation) Encyclopedia aeroacoustics (ˌɛərəʊəˈkuːstɪks) n (General Physics) (functioning as singular) the study of the generation and transmittance of sound by fluid flow Collins English Dictionary – Complete and Unabridged, 12th Editi...
Mask is arranged on first side, and the reflected light in addition to the light from transmitter is stopped to enter with reference to photoelectric sensor. Controller compensates the measurement result from sensor based on the measurement result from reference photoelectric sensor.バレット,ルイス...
1.MathematicsA written statement indicating the equality of two expressions. It consists of a sequence of symbols that is split into left and right sides joined by an equal sign. For example, 2 + 3 + 5 = 10 is an equation. 2.ChemistryA written representation of a chemical reaction, in ...
For the case of a scatterer on a semi-infinite lossless dielectric substrate, the equation for the background field must incorporate the reflection and refraction at the interface. One approach is to compute the background field based upon a separate analysis and use that computed field as the ...
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Equation (26.2) is called Snell's law; it permits us to predict how the light is going to bend when it goes from air into water. Table 26–2 shows the angles in air and in water according to Snell's law. Note the remarkable agreement with Ptolemy's list. 莴苣斋注:predict 是极其...
aIn the light of the assumptions, this equation is simplified by omitting the potential-energy terms, noting that Cl.u = Cl.b = 1.0, u = V, and restricting the friction to wall shear. Equation (6.5) then becomes 根据假定,这个等式通过省去潜力能量期限,注意那Cl.u = Cl.b = 1.0, u =...
We present an intuitive, light front reduction scheme for the Bethe-Salpeter equation that consists of iterations of the (light front) energy dependent covariant equation followed by an instantaneous approximation. This scheme is equivalent to and motivates the form of a standard reduction that reprod...
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