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  2. List of dialling codes in Pakistan - Wikipedia

    en.wikipedia.org/wiki/List_of_dialling_codes_in...

    The area codes in Pakistan consists of two to five digits; generally smaller the city, longer the prefix. All large cities have two-digit codes. The smaller towns might have six digital whereas big cities have seven digit numbers. Azad Kashmir telephone lines contain five digits. On 1 July 2009, telephone numbers in Karachi and Lahore were ...

  3. Rank error-correcting code - Wikipedia

    en.wikipedia.org/wiki/Rank_error-correcting_code

    In coding theory, rank codes (also called Gabidulin codes) are non-binary [1] linear error-correcting codes over not Hamming but rank metric. They described a systematic way of building codes that could detect and correct multiple random rank errors. By adding redundancy with coding k -symbol word to a n -symbol word, a rank code can correct ...

  4. Code word (figure of speech) - Wikipedia

    en.wikipedia.org/wiki/Code_word_(figure_of_speech)

    A code word is a word or a phrase designed to convey a predetermined meaning to an audience who know the phrase, while remaining inconspicuous to the uninitiated. For example, a public address system may be used to make an announcement asking for "Inspector Sands" to attend a particular area, which staff will recognise as a code word for a fire or bomb threat, and the general public will ignore.

  5. List of airports by IATA airport code: Y - Wikipedia

    en.wikipedia.org/wiki/List_of_airports_by_IATA...

    "United Nations Code for Trade and Transport Locations". UN/LOCODE 2011-2. UNECE. 28 February 2012. - includes IATA codes "ICAO Location Indicators by State" (PDF). International Civil Aviation Organization. 17 September 2010. Archived from the original (PDF) on 25 March 2019; Aviation Safety Network - IATA and ICAO airport codes

  6. Corsica - Wikipedia

    en.wikipedia.org/wiki/Corsica

    Corsica contains the GR20, one of Europe's most notable hiking trails . The island is 90 km (56 mi) from Tuscany in Italy and 170 km (110 mi) from the Côte d'Azur in France. It is separated from Sardinia to the south by the Strait of Bonifacio, which is a minimum of 11 km (6.8 mi) wide. [33]

  7. List of ICD-9 codes 290–319: mental disorders - Wikipedia

    en.wikipedia.org/wiki/List_of_ICD-9_codes_290...

    The DSM-5 (2013), the current version, also features ICD-9-CM codes, listing them alongside the codes of Chapter V of the ICD-10-CM. On 1 October 2015, the United States health care system officially switched from the ICD-9-CM to the ICD-10-CM. The DSM is the authoritative reference work in diagnosing mental disorders in the world.

  8. Dextroamphetamine - Wikipedia

    en.wikipedia.org/wiki/Dextroamphetamine

    Dextroamphetamine (INN:dexamfetamine) is a potent central nervous system (CNS) stimulant and enantiomer of amphetamine that is prescribed for the treatment of attention deficit hyperactivity disorder (ADHD) and narcolepsy.

  9. Nitrous oxide - Wikipedia

    en.wikipedia.org/wiki/Nitrous_oxide

    Nitrous oxide (dinitrogen oxide or dinitrogen monoxide), commonly known as laughing gas, nitrous, nitro, or nos, [4] is a chemical compound, an oxide of nitrogen with the formula N. 2O. At room temperature, it is a colourless non-flammable gas, and has a slightly sweet scent and taste. [5]