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Double Tenth Agreement
The Double Tenth Agreement (双十协定) is the record of understandings signed by Nationalist government and Chinese Communist Party representatives in Chongqing on 10 October 1945, after 43 days of talks.
Double Tenth incident
The Double Tenth incident was a wave of arrests and torture by the Japanese Kempeitai in Singapore from October 1943, after the Allied Operation Jaywick raid.
Double tract reconstruction
Double tract reconstruction is a surgical reconstruction after proximal or total gastrectomy that routes food through two pathways, preserving duodenal transit and reducing reflux esophagitis compared with esophagogastrostomy.
Double uterus-hemivagina-renal agenesis syndrome
Double uterus-hemivagina-renal agenesis syndrome (Herlyn-Werner-Wunderlich, OHVIRA) is a rare congenital urogenital anomaly combining a double uterus, obstructed hemivagina, and ipsilateral renal agenesis, treated by vaginal septum resection.
Double Vision (2002 film)
Double Vision (雙瞳) is a 2002 Taiwanese psychological thriller directed by Chen Kuo-fu, starring Tony Leung Ka-fai and David Morse as detectives hunting a Taoist cult behind serial murders in Taipei; the first Hollywood-backed film set in Taipei and 2002's top Taiwanese box-office hit.
Double Vision (Foreigner album)
Double Vision (1978) is the second studio album by British-American rock band Foreigner, released on Atlantic. Produced by Keith Olsen with Mick Jones and Ian McDonald, it reached number 3 on the Billboard 200 behind the singles Hot Blooded, Double Vision, and Blue Morning, Blue Day, and was the last album by the original six-member lineup.
Double white dwarf
A double white dwarf is a binary star system where both stars are white dwarfs, whose mergers may trigger Type Ia supernovae and emit gravitational waves.
Double wishbone suspension
Double wishbone suspension, also called double A-arm or SLA suspension, is an independent suspension using two wishbone-shaped control arms per wheel, first used in the 1930s by Citroën.
Double XL
Double XL (डबल एक्सएल) is a 2022 Hindi comedy-drama directed by Satramm Ramani, starring Sonakshi Sinha and Huma Qureshi as plus-size women chasing dreams in London; released 4 November 2022, poorly reviewed, streamed on Netflix.
Double-A (baseball)
Double-A (AA) is the second-highest level of affiliated Minor League Baseball, below Triple-A. Known as the biggest test for prospects, with median player age 24 and only 3.5% with MLB experience.
Double-balloon endoscopy
Double-balloon endoscopy is an endoscopic technique in which two inflatable balloons grip the intestinal wall, allowing deep small-bowel examination and treatment without surgery, first reported in 2001.
Double-Balloon Enteroscopy
Double-balloon enteroscopy (DBE), invented by Hironori Yamamoto and first reported in 2001, is a balloon-assisted deep enteroscopy technique using an endoscope and overtube with two balloons; distinct from single-balloon and spiral enteroscopy.
Double-barreled shotgun
A double-barreled shotgun is a smoothbore long gun with two barrels arranged side by side or over and under, typically break action, dominant for roughly a century and a half.
Double-barrelled name
A double-barrelled name combines two surnames into one, hyphenated or spaced. Formed by marriage, inheritance, or parental choice; historically British upper-class, now widespread in Britain, Ireland, and former British-settled countries, distinct from Spanish two-surname systems.
Double-bundle anterior cruciate ligament reconstruction
Double-bundle anterior cruciate ligament reconstruction is a knee surgery that rebuilds a torn ACL with two tendon grafts, one for each functional bundle, to restore rotational stability.
Double-clad fiber
A double-clad fiber is an optical fiber with a small signal core and a larger inner cladding that guides multimode pump light, the basis of cladding-pumped high-power fiber lasers and amplifiers.
Double-crank linkage
A double-crank linkage, also called a drag-link mechanism, is a planar four-bar linkage whose two frame-hinged links rotate fully, converting one continuous rotation into another, non-uniform one.
Double-Cross System
The Double-Cross System (XX system) was MI5's WWII counter-intelligence operation that turned captured German spies into over 120 double agents, including GARBO (Juan Pujol) and TATE, whose false reports under Operation Fortitude pinned German divisions at the Pas-de-Calais during D-Day.
Double-crystal monochromator
A double-crystal monochromator is an X-ray optical device in which two crystals diffract a beam twice to select a narrow, tunable energy band, standard at hard X-ray synchrotron beamlines.
Double-curvature arch dam
A double-curvature arch dam is a concrete arch dam curved both horizontally and vertically into a bowl shape, which lets designers build it thinner than other concrete dams.
Double-deck aircraft
A double-deck aircraft is an airliner with two passenger decks; only the Boeing 747, with a partial upper deck, and the Airbus A380 entered wide service.
Double-decker bus
A double-decker bus is a bus with two passenger decks, seating 60 to 120 people. The red London double-decker is among the most recognizable vehicles in the world.
Double-diffusive convection
Double-diffusive convection, first called thermohaline convection, arises when a fluid's density depends on two components, like heat and salt, that diffuse at very different rates.
Double-double
Double-double: basketball stat of 10+ in two of five categories (points, rebounds, assists, steals, blocks) in one game; term from 1985; Chamberlain holds 968 career and 227-game streak records.
Double-dummy technique
The double-dummy technique is a blinding method for randomized trials where treatments differ in appearance, so each participant takes an active drug and a matching placebo.
Double-elimination tournament
Double-elimination tournament, also double knockout: a bracket format where two losses eliminate a participant. Winners and losers brackets converge in a grand final, with about 2n−2 matches; common in esports and martial arts.
Double-ended queue
A double-ended queue, abbreviated deque, is a data structure in which elements can be added, removed, and examined at both the front and the back.
Double-entry bookkeeping
Double-entry bookkeeping is an accounting method in which every transaction is recorded with equal debits and credits across at least two accounts, first printed by Luca Pacioli in 1494.
Double-enveloping worm gear
A double-enveloping worm gear, also called globoidal or double-throated gearing, is a worm drive in which the hourglass-shaped worm and wheel wrap around each other for high torque capacity.
Double-headed eagle
Double-headed eagle: ancient Anatolian and Mesopotamian motif, Byzantine imperial and Palaiologos emblem, later arms of the Holy Roman Empire, Russia, Serbia, Albania, and Orthodox churches.