All articles starting with P
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Pulseless electrical activity
Pulseless electrical activity (PEA), formerly electromechanical dissociation, is a non-shockable cardiac arrest rhythm with organized ECG activity but no palpable pulse; treated with CPR, epinephrine, and reversal of causes.
PULSTAR
PULSTAR is a 1-megawatt pool-type nuclear research reactor at North Carolina State University in Raleigh, operating since 1972 and used for research, education, and operator training.
Pulsus paradoxus
Pulsus paradoxus: inspiratory systolic blood pressure fall over 10 mmHg, a sign of cardiac tamponade, constrictive pericarditis, severe asthma, and COPD; named by Kussmaul in 1873.
PulteGroup
PulteGroup is one of the largest homebuilders in the United States, ranked third nationally. Founded by Bill Pulte in Detroit in 1950, it has delivered more than 875,000 homes.
Pulteney Bridge
Pulteney Bridge is a shop-lined stone bridge over the River Avon in Bath, England, designed by Robert Adam and built between 1769 and 1774 for William Johnstone Pulteney.
Pultrusion
Pultrusion is a continuous manufacturing process that pulls reinforcing fibers through a resin bath and a heated die to produce fiber-reinforced polymer composite profiles of constant cross-section.
Pulu Ae Ae Jr.
Pulu Ae Ae Jr., High Chief Pulumataala, is the Republican lieutenant governor of American Samoa, sworn in January 3, 2025 with Governor Pulaalii Nikolao Pula; a 20-year Army veteran, former Pago Pago mayor, faipule, and Amata field office director.
Pulu Keeling
Pulu Keeling (North Keeling Island) is the northern atoll of Australia's Cocos (Keeling) Islands and the site of Pulu Keeling National Park, proclaimed 12 December 1995, a Ramsar wetland and IUCN Ia reserve famed for its red-footed booby colony and the 1914 Emden wreck.
Puluc
Puluc, also called bul or boolik, is a traditional running-fight board game of the Q'eqchi' Maya of Guatemala, played with corn-kernel dice, five sticks per player, and a prisoner-carrying capture mechanic.
Pulugu Dorsa
Pulugu Dorsa is a 650 km dorsum (ridge feature) on Venus at 65S, 225E, in quadrangle V-59, IAU-approved in 1997 and named for an Andaman Islands monsoon wind deity.
Pululahua
Pululahua, a potentially active dacitic-andesitic lava dome complex 15 km north of Quito, Ecuador, with a ~3 km depression formed by VEI ~4 eruptions 2.6–2.3 ka; last eruption ~2.2 ka; inhabited crater and geobotanical reserve.
Pulumi
Pulumi is an open-source infrastructure as code tool, launched in 2018 by Pulumi Corporation of Seattle, that lets developers manage cloud infrastructure using general-purpose programming languages.
Pulverized coal combustion
Pulverized coal combustion (PCC) burns coal ground to a fine powder and blown with air into a furnace, and is the dominant technology for coal-fired power generation worldwide.
Pulyny Raion
Pulyny Raion (Пулинський район), also Chervonoarmiisk Raion 1935–2016, was a district of Zhytomyr Oblast, Ukraine, centered on Pulyny; created 1923, renamed 1935, name restored 2016, abolished 19 July 2020.
Puma
The puma (Puma concolor), also called cougar or mountain lion, is a large solitary cat native to the Americas with the largest range of any Western Hemisphere terrestrial mammal.
Puma (brand)
Puma is a German sportswear company headquartered in Herzogenaurach, founded by Rudolf Dassler in 1948 after splitting from his brother Adolf's shoe business, which became Adidas.
Puma (genus)
Puma (genus), Jardine 1834, is a Felinae cat genus whose only living species is the puma/cougar (Puma concolor), ranging across the Americas with the broadest latitudinal distribution of any terrestrial mammal; fossil Puma pardoides lived in Eurasia.
Puma Blue
Puma Blue is the stage name of English singer, producer and poet Jacob Allen (b. 1995, Sussex), a lo-fi, atmospheric alternative R&B artist behind In Praise of Shadows (2021), Holy Waters (2023), and Croak Dream (2026).
Puma Shen
Puma Shen (沈伯洋), born 1982, Taiwanese criminologist, lawyer, and DPP legislator; UC Irvine PhD, National Taipei University professor, Kuma Academy co-founder, researcher of CCP information warfare, sanctioned by China, 2026 Taipei mayoral candidate.
Puma Swede
Puma Swede, born Johanna Jussinniemi, is a Swedish-born adult film performer and author of Finnish background. Her career includes U.S. productions, a memoir, a television documentary, and independent online media work.
Pumapunku
Pumapunku (Puma Punku), a stepped platform temple of the Tiwanaku culture at Tiwanaku, Bolivia, begun around AD 500, known for precisely cut andesite H-blocks explained by experimental archaeology with stone tools.
Pumayyaton
Pumayyaton, also known as Pumiathon, was the last Phoenician king of Kition and Idalion on Cyprus, son of Milkyaton, who reigned at least 46 years before Ptolemy I executed him around 312 BC.
Pumi dog
Pumi (plural Pumik), Hungarian herding dog of terrier type, developed 17th–18th century from the Puli crossed with German and French dogs; FCI standard 1935, AKC recognition 2016.
Pumice
Pumice is a light-colored, highly vesicular volcanic rock, a froth of silicic glass that forms in explosive eruptions; its sealed pores make most varieties float on water.
Pumilio/PUF protein family
The Pumilio/PUF protein family is a group of sequence-specific RNA-binding proteins that repress gene expression by binding defined motifs in target messenger RNAs, using crescent-shaped domains of eight helical repeats.
Pummel Peak
Pummel Peak (Pommel Peak), a 6,620-foot summit in the Chisos Mountains at Panther Junction, Big Bend National Park, Brewster County, Texas; named by surveyors Stiles and Penick in 1902, class 4 offtrail climb.
Pummerer rearrangement
The Pummerer rearrangement, or Pummerer reaction, converts a sulfoxide bearing an alpha-hydrogen into an alpha-substituted sulfide, an internal redox process first reported by Rudolf Pummerer in 1909.
Pump
A pump is a machine that raises a liquid to higher pressure or head. Its two families, rotodynamic and positive displacement, differ in how they move fluid.
Pump (album)
Pump is Aerosmith's tenth studio album, released September 12, 1989 on Geffen Records, produced by Bruce Fairbairn at Little Mountain Sound. Certified 7x Platinum in the US, it peaked at No. 5 Billboard and No. 3 UK, with hits Love in an Elevator and Janie's Got a Gun.
Pump action
The pump action, also called a slide action, is a firearm mechanism in which the shooter slides a fore-end under the barrel to eject and chamber each round, as in shotguns.