All articles starting with P
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Phased array
A phased array is a system of antennas or acoustic elements whose signals combine with controlled phase offsets to steer a beam electronically, without moving parts.
Phased Array Radar (NSSL)
Phased Array Radar at NOAA's National Severe Storms Laboratory in Norman, Oklahoma, tests electronically steered antennas that scan storms once a minute, faster than NEXRAD.
Phased array ultrasonic testing
Phased array ultrasonic testing (PAUT) is a non-destructive testing method using multi-element probes pulsed with calculated time delays to steer and focus ultrasound, mainly for weld inspection.
PhaseNet
PhaseNet is a deep-neural-network method that picks the arrival times of P and S waves from three-component seismic waveforms, introduced by Weiqiang Zhu and Gregory C. Beroza in 2018.
Phaseolus
Phaseolus is a New World legume genus (Fabaceae, tribe Phaseoleae) of about 81 species, including five domesticated beans such as common bean P. vulgaris and lima bean, with at least seven independent domestication events.
Phaseolus coccineus
Phaseolus coccineus, the runner or scarlet runner bean, is a Mesoamerican domesticated climbing legume, third-most important Phaseolus crop, grown for dry seeds and green pods, tolerating cool climates.
Phaseolus vulgaris
Phaseolus vulgaris, the common bean (fríjol, haricot), is an annual American legume domesticated independently in Mesoamerica and the Andes; grown as kidney, pinto, navy, black, and green beans, it is the world's most important direct-consumption grain legume.
Phases of clinical research
Phases of clinical research: the staged testing of new drugs and health products in humans, from Phase 0 microdosing (10–15 people, <100 micrograms) through Phase I safety (20–100), Phase II dosing, Phase III pivotal trials, to Phase IV post-marketing surveillance.
Phases of ice
The phases of ice are the distinct crystalline and amorphous forms water takes; 20 were known by 2021, with ordinary ice Ih the only one on Earth.
Phasianidae
Phasianidae, the pheasant family (Pheasants & Allies), is the largest family of Galliformes, with over 50 genera and 214+ species including pheasants, partridges, grouse, turkeys, and Old World quail; chickens derive from Gallus gallus.
Phasin PhaP
PhaP (PhaP1) is the major phasin protein coating polyhydroxyalkanoate granules in bacteria such as Ralstonia eutropha; it binds PHB as homotrimers, promotes PHB synthesis, is regulated by PhaR, and is used in protein purification and drug delivery.
Phasmarhabditis hermaphrodita
Phasmarhabditis hermaphrodita is a hermaphroditic slug-killing rhabditid nematode, described 1859, mass-produced with Moraxella osloensis and sold in Europe as Nemaslug since 1994 at 3 × 10^9 dauer juveniles per hectare.
Phasmatidae
Phasmatidae (walking sticks), Gray 1835, is a family of stick insects in the order Phasmatodea, with about 160 genera and 991 species under one concept; its subfamilies and authorship remain taxonomically disputed.
Phasmatodea
Phasmatodea, the stick and leaf insects (phasmids), is an order of about 3,500 camouflaged, nocturnal, herbivorous insects masquerading as twigs or leaves, including the world's longest insect, Phobaeticus chani, over 56 cm.
Phasmophobia (video game)
Phasmophobia: co-op psychological horror game by Kinetic Games (Daniel Knight), Steam Early Access 18 Sep 2020, ~25 million copies sold, 20+ ghost types, 1.0 delayed to 2027, Blumhouse film planned.
Phason
A phason is an additional elastic degree of freedom of quasicrystals, distinct from ordinary vibrational phonon modes, arising from the higher-dimensional description and detectable in diffraction as broadened Bragg peaks and diffuse scattering.
Phasor
A phasor, or phase vector, is a complex number representing the amplitude and phase of a sinusoidal signal of fixed frequency, used in AC circuit analysis.
Phasor data concentrator
A phasor data concentrator (PDC) is a device or software function in a power system that time-aligns synchrophasor data from multiple PMUs for control centers, defined by IEEE C37.247-2019.
Phasor estimation
Phasor estimation is a signal-processing method that computes the magnitude and phase angle of fundamental-frequency voltage or current waveforms, used in power system monitoring, control, and protection.
Phasor fluorescence lifetime imaging
Phasor fluorescence lifetime imaging (phasor FLIM) is a fit-free analysis method for fluorescence lifetime imaging microscopy, introduced in a 2008 Biophysical Journal paper by Michelle Digman, Valeria Caiolfa, Moreno Zamai, and Enrico Gratton.
Phasor measurement unit
A phasor measurement unit, also called a synchrophasor device, is a precision instrument that measures voltage and current phasors and frequency in power grids with GPS time-stamping.
Phat
Phat (Fat), English four-player partnership trick-taking card game of the All Fours family, related to Don; teams peg points for winning tricks containing scoring cards, 181 points wins.
Phata Poster Nikhla Hero
Phata Poster Nikhla Hero (फटा पोस्टर निकला हीरो) is a 2013 Hindi action comedy directed by Rajkumar Santoshi, starring Shahid Kapoor and Ileana D'Cruz; a Tips Films production released 20 September 2013 that flopped at the box office.
Phatic expression
Phatic expression: social-use language such as "How are you?" or "What's up?", from Malinowski's 1923 phatic communion and Jakobson's 1960 phatic function; used for contact, not information.
Phats & Small
Phats & Small are a British house music production duo from Brighton, England, formed in 1998 by Jason Hayward and Russell Small, best known for the 1999 hit "Turn Around".
PHB1
PHB1 (prohibitin 1, formerly PHB, alias BAP32), gene ID 5245 at 17q21.33, encodes a 32 kDa conserved scaffold protein that with PHB2 forms an ~1 MDa ring-shaped chaperone complex in the mitochondrial inner membrane, stabilizing newly synthesized mitochondrial proteins, cristae, and mtDNA, with roles in senescence, immunity, and cancer.
PHB2
PHB2 (prohibitin 2, BAP37) is a human gene on 12p13.31 encoding a 34 kDa inner mitochondrial membrane protein that forms the PHB1/PHB2 ring complex, regulates OPA1 processing and cristae, acts as the first inner-membrane mitophagy receptor, and modulates estrogen-dependent transcription.
Pheasant
Pheasant (Phasianus colchicus), the ring-necked or common pheasant, an Asian gamebird introduced worldwide; about 47 million released annually in the UK, established in the US since 1881, with documented ecological effects near release sites.
Pheasant (site)
Pheasant is a mapped zoo site in Beijing, North China, near Badaling in Yanqing District, close to the Great Wall Brickkiln site and Qinglongqiao West railway station; distinct from Hunan's 七彩山鸡农家 guest house.
Pheasant Island
Pheasant Island (Île des Faisans, Isla de los Faisanes) is an uninhabited islet in the Bidasoa river between France and Spain, the world's smallest condominium, changing sovereignty every six months and site of the 1659 Treaty of the Pyrenees.