All articles starting with S
44,216 articles
SLPI
SLPI (secretory leukocyte protease inhibitor), an 11.7-kDa epithelial protein with two WAP domains, inhibits neutrophil elastase and cathepsin G, shows antimicrobial and anti-inflammatory activity, and promotes metastasis when overexpressed in cancers.
SLS trial
Scleroderma Lung Study (SLS I, NCT00004563): NIH-sponsored 13-center placebo-controlled trial of oral cyclophosphamide in 158 systemic sclerosis ILD patients; slowed FVC decline, followed by SLS II comparing mycophenolate mofetil.
SLSA (framework)
SLSA (pronounced "salsa"), short for Supply-chain Levels for Software Artifacts, is an OpenSSF security framework defining incremental supply chain security levels, with a Build Track of three levels and a Source Track added in 2025.
SLSII trial
SLS II (Scleroderma Lung Study II) is a randomized controlled trial comparing 2 years of mycophenolate mofetil with 1 year of oral cyclophosphamide in 142 patients with systemic sclerosis-associated interstitial lung disease; both improved lung function equally, with MMF better tolerated.
Słubice
Słubice, a town in Lubusz Voivodeship, western Poland, on the Oder opposite Frankfurt (Oder); formerly Frankfurt's Dammvorstadt suburb, Polish since 1945, seat of Słubice County and home of the first Wikipedia monument. Distinct from the Mazovian Gmina Słubice.
Sludge anaerobic fermentation
Sludge anaerobic fermentation is a biological wastewater treatment process that converts organic matter in waste sludge into volatile fatty acids, used as a renewable carbon source.
Sludge metal
Sludge metal, a fusion of doom metal and hardcore punk also called sludge, arose from Black Flag's My War and the Melvins and crystallized in the New Orleans scene of Eyehategod, Crowbar and Acid Bath.
Sludge thickening
Sludge thickening is a sludge treatment step that removes water from wastewater sludge to reduce volume and lower downstream costs, using gravity, dissolved air flotation, centrifuges, or gravity belts.
Slug
Slug: a gastropod mollusc without an obvious external shell; not a single taxonomic group, since shell loss evolved independently in nudibranchs, sea hares, and terrestrial slugs. Distinguished by vestigial internal shells, adhesive mucus locomotion, and pest status in no-till crops.
Slug (coin)
A slug is a piece of metal, such as a washer or token, substituted for a genuine coin in machines like payphones and parking meters to get service without paying.
Slug (rapper)
Slug is the stage name of Sean Daley (born 1972), Minneapolis rapper and co-founder of the duo Atmosphere with producer Ant, and co-owner of the independent label Rhymesayers Entertainment.
Slug catcher
A slug catcher is a vessel or pipe installation at the end of a multiphase gas pipeline that catches liquid slugs and feeds gas and liquid to processing at manageable rates.
Slug flow
Slug flow is a gas-liquid two-phase flow regime where large, bullet-shaped gas bubbles called Taylor bubbles alternate with liquid slugs in a pipe, notably in oil and gas transport.
Slugg
Slugg is the professional name of Mateo Acosta, a Miami-born, Orlando-based American house DJ and producer who co-founded the label getbusy and plays tech house, minimal, and jackin' house.
Slugging percentage
Slugging percentage (SLG), or slugging average, is baseball's total bases per at-bat, weighting singles 1, doubles 2, triples 3, home runs 4; excludes walks. Career record: Josh Gibson .718.
Slugterra
Slugterra is a Canadian CGI animated series (2012–2016) created by Asaph Fipke, following Eli Shane, who fires transforming slugs from blasters against Dr. Blakk; also a franchise of films, Slugisodes, and Slug it Out 2.
Sluice
A sluice, also called a knife gate or stopgate, is a channel or gated opening that controls water flow in canals, dams, locks, and flood defenses.
Slum
Slum: an urban area with housing lacking improved water, sanitation, adequate space, durability, or tenure security (UN-Habitat definition). 1.16 billion people, one in four urban residents, lived in slums in 2024; upgrading outperforms relocation in cost and outcomes.
Slum Village
Slum Village is a Detroit hip-hop group (early name Ssenepod, also J-88) formed in 1996 by Baatin, T3, and J Dilla; known for Fantastic, Vol. 2 (2000), Trinity, Detroit Deli, and F.U.N. (2024).
Slumberland (film)
Slumberland (2022) is a Netflix family fantasy film directed by Francis Lawrence, starring Jason Momoa as Flip and Marlow Barkley as Nemo, loosely based on Winsor McCay's Little Nemo in Slumberland strip; released theatrically November 11, 2022 and streaming November 18, 2022.
Slumdog Millionaire
Slumdog Millionaire is a 2008 British drama film directed by Danny Boyle, about a Mumbai orphan competing on Who Wants to Be a Millionaire?; it won eight Academy Awards.
Slump
A slump is a type of landslide in which a coherent mass of soil or rock moves downslope by rotational sliding along a curved, spoon-shaped failure surface.
Slums of Beverly Hills
Slums of Beverly Hills is a 1998 American comedy-drama, Tamara Jenkins's first feature, starring Natasha Lyonne, Alan Arkin, and Marisa Tomei as a family chasing a Beverly Hills address.
Slurm
Slurm is an open-source, highly scalable cluster management and job scheduling system for Linux clusters, begun at Lawrence Livermore National Laboratory in 2002 and now powering a majority of TOP500 supercomputers.
Slurm Workload Manager
Slurm is an open source workload manager and job scheduler for Linux clusters, begun at Lawrence Livermore National Laboratory in 2002 and used on most top supercomputers.
Slurpee
Slurpee, 7-Eleven's frozen carbonated slush drink, debuted in 1966 after the chain licensed Omar Knedlik's ICEE machine technology in 1965; sugar and CO2 keep it slushy, and July 11 is Free Slurpee Day.
Slurry
A slurry is a mixture of insoluble solid particles dispersed in a liquid, flowing as a single phase and handled in mineral processing, ceramics, and battery manufacturing.
Slurry pump
A slurry pump, also known as a lined pump or dredge pump, is a heavy-duty centrifugal pump that transports abrasive slurries in mining and dredging.
Slurry reactor
A slurry reactor is a multiphase chemical reactor in which solid catalyst particles are suspended in liquid while gas bubbles through, used for Fischer-Tropsch synthesis, methanol synthesis, and hydrogenation.
Slurry seal
Slurry seal is a low-cost pavement preservation treatment of emulsified asphalt, water, fine aggregate, and mineral filler, spread thin to seal cracks and waterproof surfaces.