All articles starting with D
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Decibel Partners
Decibel Partners is an early-stage venture capital firm founded in 2019 by Jon Sakoda and Cisco. It manages funds that have reported over $654 million in securities sold.
Decidability (logic)
Decidability in logic is the property of a formal system, theory, or class of questions for which an algorithm answers every instance with a yes or a no.
Decidability of first-order theories
Decidability of first-order theories asks which first-order theories have an algorithm deciding whether any sentence follows from them; Presburger arithmetic is decidable, first-order validity is not.
Decide (album)
Decide (stylized DECIDE) is the 2022 second studio album by Joe Keery under his alias Djo, released on AWAL; a 36-minute synth-pop and synthwave record written and produced with Adam Thein, distinct from Djo's 2019 psychedelic debut Twenty Twenty.
Decidua
Decidua: the progesterone-transformed endometrium of pregnancy, divided into basalis, capsularis, and parietalis; key regions, decidualization biology, immune tolerance, and links to miscarriage, preeclampsia, and placenta accreta.
Decidual protein, progesterone induced
DEPP1 (DEPP, FIG, C10orf10), decidual protein induced by progesterone, is a 212-aa human chromosome 10 protein induced by progesterone, fasting, and hypoxia via FOXO/HIF; it localizes to mitochondria and peroxisomes and regulates autophagy, ELK1 signaling, and muscle atrophy.
Deciduous
Deciduous: plants or plant parts shed at a particular season, especially trees losing all leaves annually before winter or the dry season, contrasted with evergreen; involves abscission zones, photoperiod and temperature cues, and drought or freezing avoidance.
Deciduous forest
Deciduous forest: forests whose dominant trees shed all leaves seasonally, in temperate winters or tropical dry seasons; Northern Hemisphere temperate deciduous broadleaf biome, its phenology, understory light, and climate responses.
Deciduous teeth
Deciduous teeth (primary, baby, or milk teeth): the 20-tooth first human dentition, erupting from about 6 months, shed between ages 6 and 12 via physiological root resorption, and replaced by permanent successors.
Deciens Capital
Deciens Capital is a venture capital firm based in Albuquerque, New Mexico, founded by Dan Kimerling in 2017, investing exclusively in early-stage fintech across the United States, Latin America, and Africa.
DECIGO
DECIGO (Deci-hertz Interferometer Gravitational wave Observatory) is a proposed Japanese space-based gravitational-wave detector covering 0.1 to 10 Hz, proposed in 2001 and developed around JAXA.
Decima (game engine)
Decima is Guerrilla Games' proprietary game engine, grown from Killzone technology and named after Dejima island. Shared with Kojima Productions, it powers Horizon Zero Dawn, Horizon Forbidden West, and the Death Stranding games.
Décima espinela
The décima espinela, or espinela, is a ten-line octosyllabic stanza rhymed abba–ac–cddc, fixed by Vicente Espinel in 1591 and now sung and improvised across the Spanish Caribbean, especially Cuba and Puerto Rico.
Decimal
The decimal, or base-10, numeral system is the everyday number system whose digits 0 through 9 take place values in powers of ten, separated by a decimal point.
Decimal Day
Decimal Day, also called D Day, was 15 February 1971, when the United Kingdom replaced pounds, shillings, and pence with 100 new pence to the pound, and Ireland decimalized its pound the same day.
Decimal degrees
Decimal degrees (DD) is a notation for geographic latitude and longitude, where each angle is a signed decimal number. It is a standard coordinate format supported by GIS, allowing for direct mathematical calculations.
Decimal separator
Decimal separator: the dot or comma marking the fractional part of a decimal number, also called the decimal point; SI permits either the point or the comma, and locales invert the two symbols' roles.
Decimal time
Decimal time divides the day into powers of ten instead of 24 hours, notably in France from 1793 to 1795 and as Swatch Internet Time in 1998.
Decimation (comics)
Decimation (also M-Day) is Marvel's 2005 X-Men crossover storyline following House of M, launched by the one-shot Decimation: House of M – The Day After, in which the Scarlet Witch's 'No more mutants' depowers nearly all mutants.
Decimation (punishment)
Decimation (decimatio) was a Roman military punishment in which one man in ten of a disgraced unit, chosen by lot, was clubbed to death by comrades; rare in practice, revived by Crassus in 71 BCE, last recorded under Diocletian.
Decimomannu Roman bridge
The Decimomannu Roman bridge, or Ponte romano di Bingia Manna, is a ruined Roman bridge over the Rio Sesi at Decimomannu, Sardinia, on the Karalis-Sulci road; originally thirteen arches and about 160 m long, three arches survive.
Decimus Junius Brutus Albinus
Decimus Junius Brutus Albinus (c. 85–43 BC), Roman general, Caesar's trusted commander and assassin, victor over the Veneti (56 BC), governor of Cisalpine Gaul, besieged at Mutina, distinct from Marcus Brutus.
Děčín
Děčín, historically known as Tetschen, is a town of about 46,000 people in the Ústí nad Labem Region of the Czech Republic, on the Elbe at the German border.
Decio Azzolini
Decio Azzolini, also spelled Azzolino, was an Italian cardinal (1623–1689) who led the Squadrone Volante and was Secretary of State under Clement IX from 1667 to 1669.
Décio Pignatari
Décio Pignatari (1927–2012) was a Brazilian poet who co-founded the concrete poetry movement with Haroldo and Augusto de Campos through the magazine Noigandres in 1952.
Deciphera Pharmaceuticals
Deciphera Pharmaceuticals was a Waltham, Massachusetts biopharmaceutical company founded in 2003 by Daniel L. Flynn that developed kinase switch-control inhibitors for cancer; its drug QINLOCK treats advanced gastrointestinal stromal tumor.
Deciphering Data Architectures
Deciphering Data Architectures (O'Reilly, February 2024, 278 pages) by James Serra, Microsoft big data and data warehousing solution architect, compares modern data warehouse, data fabric, data lakehouse, and data mesh architectures, with pros, cons, and use cases.
Decision altitude
Decision altitude (DA) is a specified altitude referenced to mean sea level at which a pilot on a vertically guided instrument approach must decide whether to continue or initiate a missed approach.
Decision curve analysis
Decision curve analysis is a statistical method for evaluating clinical prediction models by their net benefit across threshold probabilities, introduced by Andrew Vickers and Elena Elkin in 2006.
Decision feedback equalization
Decision feedback equalization (DFE) is a nonlinear equalization technique that removes intersymbol interference in digital receivers, subtracting the interference of already-detected symbols before each new decision.