Nef or NEF may refer to:

Businesses and organizations

National Energy Foundation The National Energy Foundation (NEF) is an independent British charity, established to improve the use of energy in buildings. Aims The charity aims to ''improve the use of energy in buildings''. This statement simplified the earlier stated ...

, a British charity *

National Enrichment Facility The National Enrichment Facility (NEF) is a nuclear facility for the enrichment of uranium associated with the Los Alamos National Laboratory. The plant uses a gas centrifuge technology known as Zippe-type centrifuges. It is located east of Eunic ...

, an American uranium enrichment plant *

New Economics Foundation The New Economics Foundation (NEF) is a British think-tank that promotes "social, economic and environmental justice". NEF was founded in 1986 by the leaders of The Other Economic Summit (TOES) with the aim of working for a "new model of wealth ...

, a British think-tank *

Near East Foundation The Near East Foundation (NEF), founded in 1915 as the American Committee on Armenian Atrocities, later the American Committee for Relief in the Near East (ACRNE), and after that Near East Relief, is a Syracuse, New York-based American internatio ...

, an American international social and economic development organization *

National Equity Fund, Inc. National Equity Fund, Inc (NEF) is a national non-profit syndicator of Low Income Housing Tax Credits (LIHTC). Created in 1987 as an affiliate of the Local Initiatives Support Corporation (LISC) and headquartered in Chicago, NEF is one of the la ...

, an American non-profit syndicator of Low Income Housing Tax Credits * New England Firearms, a brand of H&R Firearms

People

* Abdou Nef (1995–2013), Algerian footballer *

Adolfo Nef Adolfo Nef Sanhueza (born January 18, 1946) is a former Chilean football goalkeeper, who played for the Chile national team between 1969 and 1977, gaining 42 caps. He was part of the Chile squad for the 1974 World Cup. At club level, Nef played ...

(born 1946), Chilean football goalkeeper * Alain Nef (born 1982), Swiss footballer * Francisco Nef (1863–1931), Chilean naval officer and member of the government junta ** Hospital Naval Almirante Nef *

Hari Nef Hari Nef (born October 21, 1992) is an American actress, model, and writer. Nef's breakthrough role was Gittel in the Amazon original series '' Transparent'', for which she was nominated for a SAG award in 2016. She made her runway debut at New ...

(born 1992), American actress, model, and writer * Isabelle Nef (1895–1976), Swiss pianist and harpsichordist * John Ulric Nef (chemist) (1862–1915), discoverer of the Nef reaction *

John Ulric Nef (economic historian) John Ulric Nef, Jr. (1899–1988) was an American economic historian, and the co-founder of the University of Chicago's Committee on Social Thought. He was associated with the University of Chicago for over half a century, and co-founded the C ...

(1899–1988) *

Karl Nef Karl Nef (22 August 1873 – 9 February 1935) was a Swiss musicologist. Life Born in St. Gallen, Nef first studied cello at the University of Music and Theatre Leipzig, but then turned to musicology under the influence of Hermann Kretzschmar ...

(1873–1935), Swiss musicologist *

Roland Nef Lieutenant-General ('' Korpskommandant'') Roland Nef (born 1 July 1959) was the Chief of the Armed Forces (''Chef der Armee'') of Switzerland in 2008. Nef, a jurist by profession, succeeded Lt-Gen. Christophe Keckeis in the position of Chief of ...

(born 1959), chief of the Swiss Armed Forces in 2008 *

Sonja Nef Sonja Nef (born 19 April 1972) is a Swiss former alpine skier. Nef was women's World Champion in Giant Slalom in 2001. She won the 2001 and 2002 World Cup in Giant Slalom. At the 2002 Winter Olympics The 2002 Winter Olympics, official ...

(born 1972), Swiss skier *

Tanguy Nef Tanguy Nef (born 19 November 1996) is a Swiss alpine skier. He is a member of Swiss Ski's A frame for the 2021-2022 season. Early life and career Tanguy Nef started skiing when he was 6 years old on the slopes of the Valais central in Frenc ...

(born 1996), Swiss skier * Walter Nef (1919–2013), Swiss mathematician after whom the

Nef polygon In mathematics Nef polygons and Nef polyhedra are the sets of polygons and polyhedra which can be obtained from a finite set of halfplanes ( halfspaces) by Boolean operations of set intersection and set complement. The objects are named after the ...

is named *

Nef the Pharaoh Tonee Hayes (born January 11, 1995), better known by his stage name Nef the Pharaoh, is an American rapper from Vallejo, California. In 2014 he was selected by fans as the "Bay Area Freshman of the Year" in a yearly contest held by Thizzler.com. ...

(Tonee Hayes, born 1995), American rapper

Places

Nef Glacier Nef Glacier is a glacier located in Laguna San Rafael National Park, in the Aysén del General Carlos Ibáñez del Campo Region of Chile. It trends southeast from Cerro Largo to its terminus in the lake that shared its name. It is the fifth large ...

, Chile *

Nef River The Nef River is a river of Chile. The river has its source at a proglacial lake, which is feed by Nef Glacier Nef Glacier is a glacier located in Laguna San Rafael National Park, in the Aysén del General Carlos Ibáñez del Campo Region of Chi ...

, Chile

Science and technology

Biology and chemistry

Nef (protein) Nef (Negative Regulatory Factor) is a small 27-35 kDa myristoylated protein encoded by primate lentiviruses. These include Human Immunodeficiency Viruses (HIV-1 and HIV-2) and Simian Immunodeficiency Virus (SIV). Nef localizes primarily to the ...

(Negative Regulatory Factor) *

Nef reaction In organic chemistry, the Nef reaction is an organic reaction describing the acid hydrolysis of a salt of a primary or secondary nitroalkane () to an aldehyde () or a ketone () and nitrous oxide (). The reaction has been the subject of sever ...

Nef synthesis In organic chemistry, Nef synthesis is the addition of sodium acetylides to aldehydes and ketones to yield acetylenic carbinols. It is named for John Ulric Nef, who discovered the reaction in 1899. This process is often erroneously referred to as ...

Nef isocyanide reaction The Nef isocyanide reaction is an addition reaction that takes place between isocyanides and acyl chlorides to form imidoyl chloride products, a process first discovered by John Ulrich Nef. The product imidoyl chloride can be hydrolyzed to giv ...

* Nucleotide exchange factor *

S100B S100 calcium-binding protein B (S100B) is a protein of the S-100 protein family. S100 proteins are localized in the cytoplasm and nucleus of a wide range of cells, and involved in the regulation of a number of cellular processes such as cell cyc ...

, a protein, alias NEF

Mathematics

Nef line bundle In algebraic geometry, a line bundle on a projective variety is nef if it has nonnegative degree on every curve in the variety. The classes of nef line bundles are described by a convex cone, and the possible contractions of the variety correspond t ...

, in algebraic geometry *

Natural exponential family In probability and statistics, a natural exponential family (NEF) is a class of probability distributions that is a special case of an exponential family (EF). Definition Univariate case The natural exponential families (NEF) are a subset of ...

, in probability and statistics

Other uses

* Nef (ship), French name for a three- or four-masted ocean-going sailing ship *

Nef (metalwork) __NOTOC__ A nef is an extravagant table ornament and container used in the Middle Ages and Renaissance, made of precious metals in the shape of a ship – ''nef'' was another word for a carrack in French. If not just used for decoration, it co ...

, a table ornament in the shape of a ship * .nef, or Nikon Electronic Format, a type of raw image format * Notice of electronic filing, issued by the U.S. court system * NEF College, in Guwahati, India * NEF Law College, in Guwahati, India *

Nefamese Nefamese or ''Arunamese'' is a pidgin of Arunachal Pradesh (formerly NEFA), India. Its classification is unclear; ''Ethnologue'' states that it is based on the Assamese language, but also that it is most closely related to the Sino-Tibetan Ga ...

, a pidgin language, ISO 639-3 language code nef