All articles starting with E
17,681 articles
Enuresis
Enuresis (nocturnal enuresis, bedwetting): involuntary urination during sleep at age 5 or older without neurological disease. Classified primary/secondary and mono/non-monosymptomatic; driven by nocturnal polyuria, small bladder capacity, and high arousal threshold; treated with alarm therapy and desmopressin.
EnVAC (EV71 vaccine, Envacgen)
Envacgen (恩穩健), Medigen's inactivated whole-virus EV71 (enterovirus A71) vaccine, B4 genotype, Vero-cell made; 96.8% efficacy in phase 3; approved in Taiwan 2023 and first EV-A71 vaccine authorized in Vietnam 2026.
Envafolimab
Envafolimab (ENWEIDA, 恩维达, KN035) is a subcutaneously injectable humanized single-domain anti-PD-L1 antibody fused to human IgG1 Fc, approved in China in November 2021 for previously treated MSI-H/dMMR advanced solid tumors.
Enveda
Enveda is a Boulder, Colorado biotechnology company founded in 2019 by Viswa Colluru that uses AI and mass spectrometry to discover drugs from natural products.
Enveda Biosciences
Enveda Biosciences, legally Enveda Therapeutics, Inc., is a Boulder, Colorado biotechnology company founded in 2019 by Viswa Colluru that uses artificial intelligence to turn plant chemistry into small-molecule drugs.
Envelope
An envelope is a flat, folded paper container, usually rectangular, with a gummed flap that encloses a letter for mailing; its modern form arose in 17th century Europe.
Envelope (mathematics)
In geometry and calculus, an envelope is a curve tangent to every member of a one-parameter family of curves, extended to surfaces; Leibniz introduced the idea in 1694.
Envelope (waves)
In wave physics, the envelope, also called the wave or signal envelope, is the slowly varying amplitude curve outlining a modulated wave's rapid oscillations, moving at the group velocity.
Envelope analysis
Envelope analysis, also called envelope detection or the High-Frequency Resonance Technique (HFRT), is a vibration signal-processing method that demodulates high-frequency resonance to detect rolling-element bearing defects in rotating machines.
Envelope detection
Envelope detection is a signal processing method that extracts the amplitude outline of a signal, by Hilbert transform or rectification with low-pass filtering, used in AM demodulation and ultrasound imaging.
Envelope detector
An envelope detector is an electronic circuit, usually a diode rectifier followed by an RC filter, that recovers the envelope of a high-frequency signal, most commonly to demodulate AM broadcasts.
Envelope method (statistics)
The envelope method is a dimension-reduction technique in multivariate statistics that improves regression efficiency by separating relevant variation from immaterial variation, introduced by Cook, Li, and Chiaromonte in 2010.
Envelope tracking
Envelope tracking is a power-management technique for radio-frequency transmitters in which the power amplifier's supply voltage is modulated to follow the signal envelope, reducing wasted energy.
Enver Gjokaj
Enver Leif Gjokaj (born 1980) is an American actor known as Victor in Dollhouse and Agent Daniel Sousa in Agent Carter and Agents of S.H.I.E.L.D., later in NCIS: Hawaiʻi, Resident Alien, and Invasion.
Enver Hoxha
Enver Hoxha (1908–1985) was the communist dictator who ruled Albania from 1944 until his death, founding the Party of Labor, breaking with Yugoslavia, the USSR, and China, banning religion in 1967, and isolating Albania as 'Europe's North Korea.'
Enver Pasha
Enver Pasha (Enver Paşa, Ismail Enver, 1881-1922), Ottoman war minister and Young Turk triumvir, led the empire into World War I with Germany, commanded the disastrous Sarikamish campaign, and died fighting in Central Asia in 1922.
Enver Pasha's Basmachi campaign
Enver Pasha's Basmachi campaign was the assumption of leadership over the anti-Soviet Basmachi resistance in Turkestan by Ottoman former war minister Ismail Enver Pasha, 1921 to 1922.
Enveri
Enveri (انوری) was a mid-15th-century Ottoman chronicler and poet whose versed history, the Dusturname, was completed in 1465 and dedicated to grand vizier Mahmud Pasha.
Envestra
Envestra was an Australian natural gas distributor, headquartered in Adelaide and ASX-listed from 1997, serving about 1.2 million consumers across five states and territories before its 2014 takeover by the Cheung Kong Consortium.
Envigado
Envigado FC (Cantera de Héroes, Equipo Naranja), Colombian professional football club founded 14 October 1989 in Envigado, Antioquia; plays at Polideportivo Sur and is famed for its youth academy, which produced James Rodríguez and Juan Fernando Quintero.
Envious (TV series)
Envidiosa (Envious) is an Argentine Netflix romantic comedy created by Adrián Suar, written by Carolina Aguirre, starring Griselda Siciliani as Vicky; four seasons ran 2024–2026, winning a Martín Fierro.
ENVIRIA
ENVIRIA is a German solar energy startup based in Frankfurt am Main that finances, installs, and operates rooftop solar systems for commercial and industrial customers under an Energy-as-a-Service model.
Envirobot
Envirobot is a sensor-equipped, eel-like swimming robot developed in Switzerland by EPFL and partner institutions to locate the sources of water pollution in lakes and watercourses.
Environment
Environment: the external elements and conditions surrounding and affecting an organism or population; defined in ecology (EPA, MeSH D004777), EU law, and public health, with environs as its formal ecological operationalization.
Environment Act 2021
The Environment Act 2021 is a UK Act of Parliament that creates a post-Brexit framework for environmental governance, covering waste, air quality, water, and biodiversity.
Environment Agency
The Environment Agency, known in Welsh as Asiantaeth yr Amgylchedd, is the environmental regulator of England, created in 1995 and responsible for flood risk and water quality.
Environment America
Environment America is a federation of state-based environmental advocacy organizations in the United States, founded in 2007 out of the state PIRG network and headquartered in Denver.
Environment Protection Act, 1986
Environment (Protection) Act, 1986 (Act No. 29 of 1986): India's umbrella environmental framework law, in force 19 November 1986, defining 'environment' in Section 2, empowering the central government under Sections 3 and 5, with penalties decriminalised by the Jan Vishwas Act 2023.
Environment Protection and Biodiversity Conservation Act 1999
The Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) is Australia's primary Commonwealth environmental law, enacted in 1999 to protect matters of national environmental significance.
Environment variable
An environment variable, or env var, is a name=value string a process carries in its environment, inherited by child processes without explicit passing, across Unix and Windows.