Het Spijkerkwartier
Het or HET may refer to: Science and technology * Hall-effect thruster, a type of ion thruster used for spacecraft propulsion * Heavy Equipment Transporter, a vehicle in the US Army's Heavy Equipment Transport System * Hobby–Eberly Telescope, an instrument at the University of Texas McDonald Observatory * Human enhancement Technologies, devices for enhancing the abilities of human beings * Heterozygote, a diploid organism with differing alleles at a genetic locus; see zygosity * Hexaethyl tetraphosphate, in chemistry * HET acid, alternate term for Chlorendic acid Other uses * Hét, a village in Hungary * Het peoples, or their language * Heterosexuality, sexual attraction to the opposite sex * ''HighEnd Teen'' (2008–2017), a former Indonesian magazine * Historical Enquiries Team (2005–2014), a former unit of the Police Service of Northern Ireland * Holocaust Educational Trust, a British charity * HET, IATA code for Hohhot Baita International Airport, in Inner Mongolia, ...
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Hall-effect Thruster
In spacecraft propulsion, a Hall-effect thruster (HET) is a type of ion thruster in which the propellant is accelerated by an electric field. Hall-effect thrusters (based on the discovery by Edwin Hall) are sometimes referred to as Hall thrusters or Hall-current thrusters. Hall effect, Hall-effect thrusters use a magnetic field to limit the electrons' axial motion and then use them to ionize propellant, efficiently accelerate the ions to produce thrust, and neutralize the ions in the plume. The Hall-effect thruster is classed as a moderate specific impulse (1,600s) space propulsion technology and has benefited from considerable theoretical and experimental research since the 1960s. Hall thrusters operate on a variety of propellants, the most common being xenon and krypton. Other propellants of interest include argon, bismuth, iodine, magnesium, zinc and adamantane. Hall thrusters are able to accelerate their exhaust to effective exhaust velocity, speeds between 10 and 80 k ...
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Historical Enquiries Team
The Historical Enquiries Team was a unit of the Police Service of Northern Ireland set up in September 2005 to investigate the 3,269 unsolved murders committed during the Troubles, specifically between 1968 and 1998. It was wound up in September 2014, when the PSNI restructured following budget cuts. Goals The team had three objectives: * To work with families of those who had been killed. * To ensure that cases were conducted to modern policing standards, and * To carry out the work in such a way that the wider community had confidence in the outcomes. Working with families was at the heart of the HET objectives, with a family liaison process in place, and the HET undertaking to provide each affected family with a copy of the relevant report. It was headed by Commander David Cox, formerly of the London Metropolitan Police, and consisted of a team of 100 investigators and supporting staff, and a budget of £30 million. HET was split into two distinct teams: Review and Investi ...
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Heth (other)
Heth may refer to: * Heth (letter), a letter in many Semitic alphabets * Heth (surname) People * Children of Heth, a Canaanite nation in the Hebrew Bible, named after Heth, son of Canaan, son of Ham, son of Noah * In the Book of Mormon: ** Heth (Early Jaredite), an early Jaredite, son of Com. ** Heth (Middle Jaredite), a later Jaredite, son of Hearthom. ** Land of Heth, a place in the Book of Mormon. * "Heth", the signature of Australian cartoonist and caricaturist Norman Hetherington (1921–2010) See also * Het (other) * Hett (other) * Hat (other) A hat is an item of clothing worn on the head. Hat may also refer to: People * Jack McVitie (1932–1967), known as Jack "The Hat", English gangster * Les Miles (born 1953), known as The Hat, American football coach * Jan Åge Solstad (born 1 ...