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Battleship USS New Mexico's 5"/25 battery prepares to fire during the bombardment of Saipan, 15 June 1944. The gun weighed about 2 metric tons and used fixed ammunition (case and projectile handled as a single assembled unit) with a 9.6-pound (4.4 kg) charge of smokeless powder to give a 54-pound (24 kg) projectile a velocity of 2100 feet per second (640 m/s).
The SR-25 (Stoner Rifle-25) [1] is a designated marksman rifle and semi-automatic sniper rifle designed by Eugene Stoner and manufactured by Knight's Armament Company. [1] The SR-25 uses a rotating bolt and a Stoner bolt and carrier piston gas system. It is loosely based on Stoner's AR-10, rebuilt in its original 7.62×51mm NATO caliber.
25 is the sum of the five consecutive single-digit odd natural numbers 1, 3, 5, 7, and 9. 25 is a centered octagonal number, [1] a centered square number, [2] a centered octahedral number, [3] and an automorphic number. [4] 25 percent (%) is equal to 1 / 4 . It is the smallest decimal Friedman number as it can be expressed by its own ...
The HP-25 used a 10-digit red LED display and was the first calculator to introduce the "engineering" display option, a denormalized mantissa/exponent format where the exponent is always a multiple of 3 to match the common SI prefixes, e.g. mega, kilo, milli, micro, nano. The HP-25 had memory space for up to 49 program steps.
The Daisy Model 25 is a BB gun, modeled after a pump action shotgun with a trombone pump action mechanism. The Model 25 dominated the low price, higher performance airgun market for over 50 years (1914–1978) before discontinuation. They re-entered production in 2009. The Model 25 was designed by Charles F. Lefever. [2]
In enzymology, a cholesterol 25-hydroxylase (EC 1.14.99.38) is an enzyme that catalyzes the chemical reaction. cholesterol + AH 2 + O 2 25-hydroxycholesterol + A + H 2 O. The 3 substrates of this enzyme are cholesterol, an electron acceptor AH 2, and O 2, whereas its 3 products are 25-hydroxycholesterol (25HC), the reduction product A, and H 2 O.
[25] [26] Ballmer worked as an assistant product manager at Procter & Gamble for two years, where he shared an office with Jeff Immelt , who later became CEO of General Electric . [ 27 ] After briefly trying to write screenplays in Hollywood, [ 28 ] he started attending the Stanford Graduate School of Business for his MBA (where Mukesh Ambani ...
The Vancouver 25 is a recreational keelboat, built predominantly of fibreglass, with wood trim. It has a masthead sloop rig, a raked stem with a bowsprit, a rounded transom, with a boomkin, a keel-mounted rudder controlled by a tiller and a fixed long keel. It displaces 7,380 lb (3,348 kg) and carries 2,600 lb (1,179 kg) of lead ballast.