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All articles starting with E

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Exposure and response prevention

Exposure and response prevention (ERP) is a cognitive-behavioral therapy in which patients deliberately confront feared stimuli while refraining from compulsions, the first-line psychological treatment for obsessive-compulsive disorder, typically over 12 to 20 sessions.

Exposure at default

Exposure at default (EAD) is the amount a bank expects a borrower to owe at the moment of default, a component of the Basel IRB approach.

Exposure keratitis

Exposure keratitis (exposure keratopathy, EK): corneal damage from dryness due to incomplete eyelid closure or poor blinking. Common in ICU patients (pooled prevalence 34%); treated with lubricants, moisture chambers, taping, tarsorrhaphy.

Exposure therapy

Exposure therapy, also called in vivo, imaginal, or interoceptive exposure and including flooding and ERP, is a behavior therapy for anxiety disorders, OCD, and PTSD that uses repeated confrontation with feared stimuli; mechanisms debated between habituation and inhibitory learning models.

Exposure value

Exposure value (EV) is a base-2 logarithmic scale, standardized in ISO 2720, that combines f-number and shutter speed at a stated ISO into one number, where 1 EV equals one stop of light.

EXPRED trial

EXPRED (Exercise and Prediabetes After Renal Transplantation, NCT04489043), a Spanish Hospital Universitario de Canarias program: exercise training reversed prediabetes in 60% of kidney transplant recipients in EXPRED-I, with randomized EXPRED-II ongoing.

EXPRES

EXPRES, the EXtreme PREcision Spectrograph, is an echelle spectrograph built at Yale and installed on the 4.3-meter Lowell Discovery Telescope in Arizona to detect Earth-like exoplanets.

Express Eventing

Express Eventing is a one-day short format of equestrian eventing compressing dressage, cross-country, and show jumping into a single competition, launched at Cardiff's Millennium Stadium in 2008.

Express mail

Express mail is the fastest class of postal delivery service, offered domestically by national posts and internationally as Express Mail Service (EMS), available in around 200 countries.

Express Oil Pipeline System

The Express Oil Pipeline System, also known as Line 40A, is a crude oil pipeline carrying Western Canadian crude from Hardisty, Alberta, to Casper, Wyoming, since 1997; it connects there with the Platte Pipeline.

Express Raja

Express Raja (ఎక్స్‌ప్రెస్ రాజా), 2016 Telugu comedy by Merlapaka Gandhi, UV Creations, starring Sharwanand and Surabhi; released 14 January 2016, 144 minutes, dog-and-diamond plot, IMDb 6.9/10.

Express Scripts

Express Scripts is an American pharmacy benefit manager that administers prescription drug benefits for employers, health plans, and government programs, acquired by Cigna in 2018.

Express trains in India

Express trains in India are the principal long-distance passenger services of Indian Railways, stopping at major towns and including named trains like the Rajdhani and Shatabdi.

Express.js

Express.js is a fast, unopinionated, minimalist web application framework for Node.js, created by TJ Holowaychuk in 2010, whose middleware and routing model makes it the most widely used Node.js framework.

ExpressCard

ExpressCard, also known as Newcard, is a laptop expansion-card standard unveiled by PCMCIA in 2003 as the successor to PC Card, carrying PCI Express and USB 2.0 signals.

Expressed protein ligation

Expressed protein ligation (EPL) is a protein semisynthesis method that chemically joins a recombinant protein fragment to a synthetic peptide; it was first reported in 1998.

Expressed sequence tag

An expressed sequence tag (EST) is a short single-pass sequence read from a cDNA clone, typically under 1,000 base pairs, that tags genes expressed in the sampled tissue.

Expression (computer science)

An expression in computer science is a combination of variables, values, operators, and function calls that is evaluated to produce a value, such as 2+3 yielding 5.

Expression (mathematics)

In mathematics, an expression is a finite combination of numbers, variables, and operation symbols standing for a calculation, and an equation joins two expressions with an equal sign.

Expression cloning

Expression cloning is a molecular biology method that introduces a cDNA library into host cells and screens expressed proteins for binding or function to recover the gene.

Expression vector

Expression vector: DNA vehicle, usually a plasmid or virus, carrying a foreign gene plus promoter, replication origin, and selection marker to produce protein in bacterial, yeast, insect, mammalian, or plant host cells.

Expressionism

Expressionism is an art movement that reached its height from 1905 to 1920 in Germany and Austria, using bold distortion and exaggerated color to convey emotion.

Expressionism (theatre)

Expressionist theatre: early 20th-century German non-realistic drama conveying inner emotion via distortion, Stationendrama structure, typified unnamed characters, stylized acting; key figures Sorge, Toller, Kaiser, Hasenclever.

Expressive aphasia

Expressive aphasia, also called Broca's aphasia or motor aphasia, is a nonfluent aphasia from left frontal lobe damage, with effortful telegraphic speech, relatively spared comprehension, and treatment by speech-language therapy.

Expressive motion

Expressive motion in robotics is the use of a robot's own body movement, rather than a separate display, to communicate emotion, mood, or task status to people.

ExpressLRS

ExpressLRS is an open-source radio control link that sends pilot commands to model aircraft and telemetry back, built for low latency and long range, mainly for FPV drones.

ExpressVPN

ExpressVPN is a commercial virtual private network service founded in 2009, registered in the British Virgin Islands and owned by Kape Technologies since 2021, with a no-logs policy.

Expressways of India

Expressways of India are the country's highest class of road: fully access-controlled highways whose operational network grew from 93 km in 2014 to 3,052 km by 2026.

Expressways of Singapore

The expressways of Singapore are ten limited-access, dual-carriageway roads without traffic lights, including the 42.8 km Pan Island Expressway, first planned in the 1971 Concept Plan.

Expro Group

Expro Group is an international energy services company serving oil, gas, and geothermal operators in more than 50 countries, founded in 1973 and listed on the NYSE under XPRO.