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  1. 1 dzień temu · The Fresnel equations (or Fresnel coefficients) describe the reflection and transmission of light (or electromagnetic radiation in general) when incident on an interface between different optical media.They were deduced by French engineer and physicist Augustin-Jean Fresnel (/ f r eɪ ˈ n ɛ l /) who was the first to understand that light is a transverse wave, when no one realized that the ...

  2. en.wikipedia.org › wiki › PortoPorto - Wikipedia

    1 dzień temu · Porto (Portuguese pronunciation: ⓘ), also known as Oporto, is the second largest city in Portugal after Lisbon.It is the capital of the Porto District and one of the Iberian Peninsula's major urban areas. Porto city proper, which is the entire municipality of Porto, is small compared to its metropolitan area, with an estimated population of just 237,559 people in a municipality with only 41. ...

  3. 3 godz. temu · For the purpose of the present Convention, unless expressly provided otherwise: 1. ‘Regulations’ means the Regulations annexed to the present Convention. 2. ‘Administration

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