All articles starting with F
15,892 articles
Fed-batch culture
Fed-batch culture: semi-batch bioprocess in which nutrients are fed during cultivation and products remain in the bioreactor; dominant industrial fermentation mode, higher titer than batch, lower than perfusion.
Fed-batch fermentation
Fed-batch fermentation is a semi-batch cultivation method in which nutrients are added to a bioreactor with no outflow, the most common mode in industrial fermentation.
Fedayeen (Nizari fida'is)
The Fedayeen (الفدائيون) were self-sacrificing devotees of the Nizari Isma'ili community who assassinated prominent enemies during the Alamut period, ending with the Mongol conquest in 1256.
Fedayeen (فدائيون)
Fedayeen (فدائيون), meaning "those who sacrifice themselves," are Arab irregular fighters prepared to die for a cause, notably Palestinian guerrillas raiding Israel in the 1950s and 1960s.
Fedayeen Saddam (فدائيي صدام)
Fedayeen Saddam, also known as Saddam Fidayeen, was an Iraqi paramilitary militia founded by Uday Hussein in 1995. It led guerrilla attacks on coalition forces in 2003.
Fedchenko Patera
Fedchenko Patera is a 75 km volcanic patera on Venus at 24°S, 226.5°E in the Taussig quadrangle, IAU-named in 1997 for Olga Fedchenko, Russian botanist and Central Asia explorer, ringed by circumferential graben sets.
Fedde Le Grand
Fedde Le Grand, born 1977 in Utrecht, is a Dutch house DJ and producer best known for the 2006 UK number 1 single "Put Your Hands Up For Detroit".
Fede Álvarez
Fede Álvarez (born 1978, Montevideo) is a Uruguayan film director and writer of Evil Dead (2013), Don't Breathe (2016), and Alien: Romulus (2024), launched by his viral 2009 short ¡Ataque de pánico!.
Fede Vigevani
Fede Vigevani (Federico Augusto Vigevani de Arce, born 1994, Montevideo) is a Uruguayan YouTuber and musician, ex-Dosogas member, with over 75 million subscribers, known for deep-web clown horror series and La Casa de los Famosos México 2026.
Feder–Vardi theorem
The Feder–Vardi theorem states that every fixed-template constraint satisfaction problem is solvable in polynomial time or is NP-complete, proved in 2017 by Bulatov and Zhuk.
Federacion internacional de pelota vasca
Federación Internacional de Pelota Vasca (FIPV), International Federation of Basque Pelota, world governing body for Basque pelota, founded 1929 in Buenos Aires, based in Pamplona, president Xavier Cazaubon, World Championships every four years since 1952.
Federal Agency for Air Transport
The Federal Agency for Air Transport, or Rosaviatsia, is Russia's civil aviation authority under the Ministry of Transport. Established in 2004 and headquartered in Moscow, it certifies aircraft and aerodromes.
Federal Agency for Nuclear Safety and Radiation Protection
The Federal Agency for Nuclear Safety and Radiation Protection is the Federation of Bosnia and Herzegovina's radiation protection body, created in 1999 under the Federal Ministry of Health.
Federal Air Marshal Service
Federal Air Marshal Service (FAMS, formerly Sky Marshal Program), TSA's law enforcement arm within DHS, deploys armed undercover air marshals on U.S. carrier flights; expanded from 33 marshals on 9/11 to thousands, with quarterly 255/300 firearms qualification.
Federal architecture
Federal architecture, also called the Adam style, is an American building style dominant from about 1780 to 1820 that refined the Georgian style with delicate classical ornament.
Federal Army of Mexico
The Federal Army of Mexico (Ejército Federal) was Mexico's professional national army from the late nineteenth century, serving Díaz, Madero, and Huerta until its dissolution in August 1914.
Federal Art Project
The Federal Art Project (FAP) was a work-relief program of the Works Progress Administration that employed unemployed American artists from 1935 to 1943, producing murals, paintings, and sculptures nationwide.
Federal Assault Weapons Ban
Federal Assault Weapons Ban (Public Safety and Recreational Firearms Use Protection Act), part of the 1994 Violent Crime Control Act, banned named semiautomatic assault weapons, two-feature firearms, and magazines over 10 rounds from September 13, 1994 until its sunset on September 13, 2004.
Federal Assembly (Федеральное Собрание) (Russia)
The Federal Assembly (Федеральное Собрание) is Russia's bicameral parliament, created by the 1993 constitution: Federation Council upper house plus the 450-deputy State Duma lower house.
Federal Aviation Act of 1958
The Federal Aviation Act of 1958 is a United States federal law, signed August 23, 1958, that created the independent Federal Aviation Agency and consolidated federal civil aviation authority.
Federal Aviation Administration
The Federal Aviation Administration (FAA), a U.S. Department of Transportation agency created by the Federal Aviation Act of 1958, regulates civil aviation safety, runs air traffic control over 29.4 million square miles of airspace, certifies aircraft and airmen, and licenses commercial space launches.
Federal Aviation Administration Air Traffic Organization
The Air Traffic Organization (ATO) is the operational arm of the Federal Aviation Administration that manages US air traffic control, handling more than 45,000 flights daily.
Federal Aviation Regulations
The Federal Aviation Regulations, also called FAA Regulations, are the United States federal rules governing civil aviation, codified in Title 14 of the Code of Federal Regulations.
Federal Bank
Federal Bank Limited, originally Travancore Federal Bank, is an Indian private-sector bank headquartered in Aluva, Kerala, founded in 1931 and now the largest private bank in Kerala.
Federal Bridge Gross Weight Formula
The Federal Bridge Gross Weight Formula, or Bridge Formula B, is a US formula limiting the weight of consecutive truck axles on Interstate highways, enacted in 1975.
Federal Bureau of Investigation
Federal Bureau of Investigation (FBI), U.S. Justice Department agency founded July 26, 1908; dual law enforcement and national security mission, 56 field offices, ~13,700 special agents, led by a Senate-confirmed 10-year director.
Federal Bureau of Prisons
The Federal Bureau of Prisons (BOP) is the Department of Justice agency that confines people convicted of federal crimes in 122 facilities of five security levels.
Federal canal legislation in the United States
Federal canal legislation in the United States encompasses statutes directed at canals, including the 1824 General Survey Act and the Rivers and Harbors Act of 1899.
Federal Capital Territory (Nigeria)
Federal Capital Territory (FCT), Nigeria: federal territory containing the capital Abuja, created by Decree No. 6 of 1976, seat of government since 12 December 1991, six area councils, no state government, governed by an FCT Minister.
Federal Cartel Office
The Federal Cartel Office (Bundeskartellamt) is Germany's federal competition authority, enforcing the cartel ban, merger control, and abuse control from Bonn under President Andreas Mundt.