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  2. Global Competitiveness Report - Wikipedia

    en.wikipedia.org/wiki/Global_Competitiveness_Report

    The Global Competitiveness Report (GCR) [1] was a yearly report published by the World Economic Forum. Between 2004 and 2020, [2] the Global Competitiveness Report ranked countries based on the Global Competitiveness Index, [1] developed by Xavier Sala-i-Martin and Elsa V. Artadi. [3] Before that, the macroeconomic ranks were based on Jeffrey ...

  3. Google Classroom - Wikipedia

    en.wikipedia.org/wiki/Google_Classroom

    Google Classroom is a free blended learning platform developed by Google for educational institutions that aims to simplify creating, distributing, and grading assignments. The primary purpose of Google Classroom is to streamline the process of sharing files between teachers and students. [3] As of 2021, approximately 150 million users use ...

  4. Grey component replacement - Wikipedia

    en.wikipedia.org/wiki/Grey_component_replacement

    The substitution of black for the grey component is described as grey component replacement (GCR). [1] In GCR, contrary to under color removal (UCR), the CMY values that add to grey all along the tone scale can be replaced with black ink. UCR only adds black to the CMY equivalent of what would have printed as a grey or near-grey.

  5. Gas-cooled reactor - Wikipedia

    en.wikipedia.org/wiki/Gas-cooled_reactor

    Gas-cooled reactor. A gas-cooled reactor (GCR) is a nuclear reactor that uses graphite as a neutron moderator and a gas (carbon dioxide or helium in extant designs) as coolant. [1] Although there are many other types of reactor cooled by gas, the terms GCR and to a lesser extent gas cooled reactor are particularly used to refer to this type of ...

  6. Group coded recording - Wikipedia

    en.wikipedia.org/wiki/Group_coded_recording

    Group coded recording. In computer science, group coded recording or group code recording (GCR) refers to several distinct but related encoding methods for representing data on magnetic media. The first, used in 6250 bpi magnetic tape since 1973, [1][2] is an error-correcting code combined with a run-length limited (RLL) encoding scheme ...

  7. Cosmic ray - Wikipedia

    en.wikipedia.org/wiki/Cosmic_ray

    Cosmic rays can be divided into two types: galactic cosmic rays (GCR) and extragalactic cosmic rays, i.e., high-energy particles originating outside the solar system, and. solar energetic particles, high-energy particles (predominantly protons) emitted by the sun, primarily in solar eruptions.

  8. Great Central Main Line - Wikipedia

    en.wikipedia.org/wiki/Great_Central_Main_Line

    The Great Central Main Line (GCML), also known as the London Extension of the Manchester, Sheffield and Lincolnshire Railway (MS&LR), is a former railway line in the United Kingdom. The line was opened in 1899 and built by the Great Central Railway running from Sheffield in the North of England, southwards through Nottingham and Leicester to ...

  9. Great Western and Great Central Joint Railway - Wikipedia

    en.wikipedia.org/wiki/Great_Western_and_Great...

    Great Western and Great Central Joint Railway. The Great Western and Great Central Joint Railway was a railway built and operated jointly by the Great Western Railway (GWR) and Great Central Railway (GCR) between Northolt (in north west London) and Ashendon Junction (west of Aylesbury). It was laid out as a trunk route with gentle curves and ...