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  2. Calculation of radiocarbon dates - Wikipedia

    en.wikipedia.org/wiki/Calculation_of_radiocarbon...

    The calculation of radiocarbon dates determines the age of an object containing organic material by using the properties of radiocarbon (also known as carbon-14 ), a radioactive isotope of carbon. Radiocarbon dating methods produce data based on the ratios of different carbon isotopes in a sample that must then be further manipulated in order ...

  3. Gas volume corrector - Wikipedia

    en.wikipedia.org/wiki/Gas_volume_corrector

    It is used for the settlement of trade wholesale gas. There are two types of gas volume correctors: [1] Type 1 - gas volume corrector with specific types of transducers for pressure and temperature or temperature only. This type of gas volume corrector is powered by battery. Type 2 - a device that converts separate transmitters with external ...

  4. Bolometric correction - Wikipedia

    en.wikipedia.org/wiki/Bolometric_correction

    Bolometric correction. In astronomy, the bolometric correction is the correction made to the absolute magnitude of an object in order to convert its visible magnitude to its bolometric magnitude. It is large for stars which radiate most of their energy outside of the visible range. A uniform scale for the correction has not yet been standardized.

  5. North Branch Correctional Institution - Wikipedia

    en.wikipedia.org/wiki/North_Branch_Correctional...

    Warden. Frank Bishop. North Branch Correctional Institution ( NBCI) is a high-tech, maximum security prison or "hyper-max prison" operated by the Maryland Department of Public Safety and Correctional Services in Cresaptown, unincorporated Allegany County, near Cumberland, Maryland, USA. [1]

  6. Volume correction factor - Wikipedia

    en.wikipedia.org/wiki/Volume_Correction_Factor

    In thermodynamics, the Volume Correction Factor (VCF), also known as Correction for the effect of Temperature on Liquid (CTL), is a standardized computed factor used to correct for the thermal expansion of fluids, primarily, liquid hydrocarbons at various temperatures and densities. [1] [2] It is typically a number between 0 and 2, rounded to ...

  7. Prism (optics) - Wikipedia

    en.wikipedia.org/wiki/Prism_(optics)

    Prism (optics) An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.

  8. Dioptre - Wikipedia

    en.wikipedia.org/wiki/Dioptre

    A dioptre ( British spelling) or diopter ( American spelling ), symbol dpt, is a unit of measurement with dimension of reciprocal length, equivalent to one reciprocal metre, 1 dpt = 1 m−1. It is normally used to express the optical power of a lens or curved mirror, which is a physical quantity equal to the reciprocal of the focal length ...

  9. Corrections - Wikipedia

    en.wikipedia.org/wiki/Corrections

    A typical correctional institution is a prison. A correctional system, also known as a penal system, thus refers to a network of agencies that administer a jurisdiction 's prisons, and community-based programs like parole, and probation boards. [3] This system is part of the larger criminal justice system, which additionally includes police ...