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  2. 2-Fluorodeschloroketamine - Wikipedia

    en.wikipedia.org/wiki/2-Fluorodeschloroketamine

    2-Fluorodeschloroketamine (also known as 2'-Fl-2-Oxo-PCM, Fluoroketamine and 2-FDCK) is a dissociative anesthetic [1] related to ketamine. Its sale and use as a designer drug has been reported in various countries. [2] [3] [4] It is an analogue of ketamine where the chlorine group has been replaced by fluorine. Due to its recent emergence, the ...

  3. Rack-O - Wikipedia

    en.wikipedia.org/wiki/Rack-O

    Score may be kept on a separate piece of paper, based upon either a custom system or the system provided in the rule book. Rack-O allows between 2–4 players, and is recommended for players age 8 and up. [2] Rack-O was released in 1956 and is currently produced by Winning Moves Games USA.

  4. Coefficient of determination - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_determination

    Ordinary least squares regression of Okun's law.Since the regression line does not miss any of the points by very much, the R 2 of the regression is relatively high.. In statistics, the coefficient of determination, denoted R 2 or r 2 and pronounced "R squared", is the proportion of the variation in the dependent variable that is predictable from the independent variable(s).

  5. Fentanyl - Wikipedia

    en.wikipedia.org/wiki/Fentanyl

    The intravenous dose causing 50% of opioid-naive experimental subjects to die (LD 50) is "3 mg/kg in rats, 1 mg/kg in cats, 14 mg/kg in dogs, and 0.03 mg/kg in monkeys." [ 97 ] The LD 50 in mice has been given as 6.9 mg/kg by intravenous administration, 17.5 mg/kg intraperitoneally, 27.8 mg/kg by oral administration. [ 98 ]

  6. List of mineral symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_mineral_symbols

    More extensive lists were subsequently made available in the form of publications [2] [3] or posted on journal webpages. [ 4 ] A comprehensive list of more than 5,700 IMA-CNMNC approved symbols (referred to as IMA symbols) compiled by L.N. Warr was published in volume 85 (issue 3) of the Mineralogical Magazine (2021). [ 5 ]

  7. Leopard 2 - Wikipedia

    en.wikipedia.org/wiki/Leopard_2

    Stridsvagn 122 (also known as Leopard 2A5S [256] and Leopard 2 "Improved" A5 SE [257]) is a Swedish Army tank based on the Leopard 2 Improved. 120 units were built, 91 of which were licence-produced in Sweden. The tank features increased armour on the turret top and front hull, and improved command-, control- and fire-control systems.

  8. King of Fighters R-2 - Wikipedia

    en.wikipedia.org/wiki/King_of_Fighters_R-2

    King of Fighters R-2 brings back most of King of Fighters R-1's gameplay, bringing back Singleplay and Teamplay, and the VS mode using a link cable.The Making mode is a new mode which lets the player customize their fighter and send them on a quest to defeat Rugal Bernstein.

  9. Branch and price - Wikipedia

    en.wikipedia.org/wiki/Branch_and_price

    Branch and price is a branch and bound method in which at each node of the search tree, columns may be added to the linear programming relaxation (LP relaxation). At the start of the algorithm, sets of columns are excluded from the LP relaxation in order to reduce the computational and memory requirements and then columns are added back to the LP relaxation as needed.