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  2. Standard Model - Wikipedia

    The Standard Model explains such forces as resulting from matter particles exchanging other particles, generally referred to as force mediating particles. When a force-mediating particle is exchanged, the effect at a macroscopic level is equivalent to a force influencing both of them, and the particle is therefore said to have mediated (i.e ...

  3. AES3 - Wikipedia

    AES3 is a standard for the exchange of digital audio signals between professional audio devices. An AES3 signal can carry two channels of PCM audio over several transmission media including balanced lines, unbalanced lines, and optical fiber.

  4. Standard of living in India - Wikipedia

    The standard of living in India shows large geographical disparity as well. For example, on one hand most metropolitan cities boast world-class medical establishments, luxurious hotels, sports facilities and leisure activities similar to that of first world developed nations, while there is widespread poverty in rural areas of India, where ...

  5. BR Standard Class 6 - Wikipedia

    The Standard class 6, otherwise known as the Clan Class, was a class of 4-6-2 Pacific tender steam locomotive designed by Robert Riddles for use by British Railways. Ten locomotives were constructed between 1951 and 1952, with a further 15 planned for construction.

  6. Royal Standard of the United Kingdom - Wikipedia

    Standard Title Description Prince of Wales: The Royal Standard of the United Kingdom, defaced with a three-point label. Superimposed is the arms of Llywelyn the Great —four quadrants, the first and fourth with a red lion on a gold field, and the second and third with a gold lion on a red field— crowned with the Prince's coronet.

  7. Standard atomic weight - Wikipedia

    The standard atomic weight is a special value of the relative atomic mass. It is defined as the "recommended values" of relative atomic masses of sources in the local environment of the Earth's crust and atmosphere as determined by the IUPAC Commission on Atomic Weights and Isotopic Abundances (CIAAW).

  8. Metric system - Wikipedia

    In the SI, the standard metre is defined as exactly 1/299,792,458 of the distance that light travels in a second. The realisation of the metre depends in turn on precise realisation of the second. There are both astronomical observation methods and laboratory measurement methods that are used to realise units of the standard metre.

  9. International Standard Atmosphere - Wikipedia

    a lapse rate given per kilometer of geopotential altitude (A positive lapse rate (λ > 0) means temperature increases with height). In the above table, geopotential altitude is calculated from a mathematical model that adjusts the altitude to include the variation of gravity with height, while geometric altitude is the standard direct vertical distance above mean sea level (MSL).