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All articles starting with P

28,818 articles

Pyāri Mohan Chundhuri

Pyāri Mohan Chundhuri was a Brahmo missionary of the 1870s who preached in Lahore and Dehra Dun and published English sermons and a Bengali religious treatise in 1877.

Pyasina

Pyasina (Пясина), Arctic river in Krasnoyarsk Krai, Russia: 818 km from Lake Pyasino across the Taymyr Peninsula to Pyasina Bay of the Kara Sea; 182,000 km² basin, 354 km tidal reach, Norilsk-linked history.

Pyasino

Pyasino (Пясино), glacial lake in Krasnoyarsk Krai, Russia, 20 km north of Norilsk; 735 sq km, average depth 4 m; drains via the Pyasina River to the Kara Sea; heavily affected by Norilsk mining pollution.

Pyatigorsk

Pyatigorsk (Пятигорск), resort city in Stavropol Krai, Russia; largest city of the Caucasian Mineral Waters with over 40 mineral springs, founded 1780, named 1830 after Mount Beshtau, Lermontov's duel site, and center of the North Caucasus Federal District since 2010.

Pyatnashka Brigade

Pyatnashka Brigade (Интернациональная бригада «Пятнашка»), a volunteer armed formation founded by 15 Russian volunteers in June 2014 for the Donetsk People's Republic, mainly Abkhaz-led, later part of Russian forces.

Pyazat

Pyazat (also written pya zat) is a form of Burmese drama combining spoken dialogue with song, dance, and declaimed verse, from classical court plays to modern melodrama.

PyBullet

PyBullet is a free, open-source Python interface to the Bullet real-time physics simulation engine, used in robotics research for reinforcement learning, manipulation, and locomotion, with physics, collision detection, and inverse kinematics in one installable module.

PYCARD

PYCARD (ASC, TMS1, CARD5) is a human chromosome 16p11.2 gene encoding a ~22-24 kDa adaptor protein with N-terminal PYD and C-terminal CARD domains that bridges inflammasome sensors like NLRP3 and AIM2 to caspase-1, driving IL-1β/IL-18 release and pyroptosis.

PyCharm

PyCharm is a Python integrated development environment developed by JetBrains on the IntelliJ platform, first released October 13, 2010 with Django support and an integrated debugger.

Pycnocline

A pycnocline is the ocean layer where water density changes most rapidly with depth, typically caused by temperature or salinity gradients, which restricts vertical mixing and stabilizes the water column.

Pycnodysostosis

Pycnodysostosis (pyknodysostosis, Toulouse-Lautrec syndrome, Maroteaux-Lamy syndrome) is a rare autosomal recessive lysosomal bone disease caused by CTSK (cathepsin K) mutations, causing osteosclerosis, short stature, brittle bones, and acroosteolysis.

Pycnometer

A pycnometer, also called a pyknometer or specific gravity bottle, is a laboratory flask with a close-fitting stopper that delivers a fixed volume so density can be determined by weighing.

Pycnonotus

Pycnonotus, the largest bulbul genus (Pycnonotidae, ~41 species) of African and Asian passerines including P. barbatus, P. cafer, and P. jocosus; molecular studies show it is polyphyletic and its classification is being revised.

Pycnoporus

Pycnoporus, also called cinnabar polypores, is a genus of four white-rot bracket fungi in Polyporaceae with bright orange fruiting bodies, known for overproducing high-redox-potential laccase and phenoxazine pigments like cinnabarinic acid for biotechnology.

Pydantic

Pydantic is an open-source Python library for data validation and settings management, created by Samuel Colvin in 2017, with over 10 billion downloads and close ties to FastAPI.

Pydiflumetofen

Pydiflumetofen is a broad-spectrum succinate dehydrogenase inhibitor (SDHI) fungicide developed by Syngenta and released in 2017, used against Fusarium head blight, Sclerotinia stem rot, gray mold, and powdery mildews.

Pydna

Pydna (Πύδνα, also Kydna) was an ancient Greek port city in Pieria, Macedonia, south of Makrygialos; major Macedonian port, site of Rome's 168 BC victory over Perseus, later Byzantine Kitros.

PyDy

PyDy, short for Python Dynamics, is an open-source Python tool kit for multibody dynamics that generates symbolic equations of motion with SymPy and simulates them numerically.

Pye Records

Pye Records, British record label formed 1955 from Nixa and Polygon under Pye of Cambridge; home of Donegan, Clark, the Kinks; renamed PRT in 1980; relaunched 2023 from the Isle of Lismore by Tony Currie.

Pyelogram

A pyelogram is an X-ray image of the renal pelvis and urinary collecting system taken after contrast material fills it, used to evaluate stones, obstruction, and hematuria.

Pyelolithotomy

Pyelolithotomy is a surgical procedure in which the renal pelvis is opened and kidney stones are removed directly through the incision, used when shockwave lithotripsy or endourological treatment fails.

Pyelonephritis

Pyelonephritis (kidney infection) is a UTI in which bacteria ascend from the bladder to one or both kidneys, causing fever, flank pain, and painful urination; treated with antibiotics, about 250,000 US office visits yearly.

Pyeloplasty

Pyeloplasty is a urological operation that treats ureteropelvic junction obstruction by excising the blocked segment and reconnecting the renal pelvis to the ureter, with about 95% success.

PyEMMA

PyEMMA (Emma's Markov Model Algorithms) is an open source Python/C package for estimating, validating, and analyzing Markov state models from molecular dynamics simulations, developed at Freie Universität Berlin.

Pyemotes tritici

Pyemotes tritici, the straw itch mite (family Pyemotidae), is a cosmopolitan 0.2 mm ectoparasitoid of stored-grain and wood-boring insects with a 4-7 day viviparous life cycle; its bites cause itchy pustular dermatitis in humans.

Pyeongchang County

Pyeongchang County (평창군) is a county in Gangwon State, South Korea, host of the 2018 Winter Olympics and Paralympics, with about 39,900 residents, one eup and seven myeon, highland ranches, and ski resorts.

Pyeonghwa Land

Pyeonghwa Land (평화랜드) is a small theme park in Munsan-eup, Paju, Gyeonggi, South Korea, within the Imjingak Resort near the DMZ, with about 20 rides and family attractions.

Pyeongtaek power station

Pyeongtaek power station (평택화력발전소) is an 871 MW natural gas-fired power station in Pyeongtaek, South Korea, owned by Korea Western Power; it opened as an oil-fired plant in 1980.

Pyeongwon of Goguryeo

Pyeongwon (평원왕) was the 25th ruler of Goguryeo, one of the Three Kingdoms of Korea, reigning from 559 to 590 and completing the capital's move to Jangan Fortress in Pyongyang.

Pyershamayski Rayon

Pyershamayski Rayon (Першамайскі раён, Pervomaysky District) is a northeastern district of Minsk, Belarus, created 25 June 1969 from Sovetsky, Zavodsky, and Leninsky districts; about 3.3 thousand hectares, 217,000 residents, named after May Day.