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HEU may refer to: Harbin Engineering University, in Harbin, China; Highly enriched uranium, uranium that is 20% or more U235; Hospital Employees' Union, trade union ...
Enriched uranium is a type of uranium in which the percent composition of uranium-235 (written 235 U) has been increased through the process of isotope separation.Naturally occurring uranium is composed of three major isotopes: uranium-238 (238 U with 99.2732–99.2752% natural abundance), uranium-235 (235 U, 0.7198–0.7210%), and uranium-234 (234 U, 0.0049–0.0059%).
The Hospital Employees' Union (HEU), founded in 1944 at Vancouver General Hospital, is now the oldest and largest trade union for hospital workers and health care specialists in British Columbia. The HEU represents 46,000 members across the public, non-profit and private health sectors.
The concept of a color system with a hue was explored as early as 1830 with Philipp Otto Runge's color sphere. The Munsell color system from the 1930s was a great step forward, as it was realized that perceptual uniformity means the color space can no longer be a sphere.
The Megatons to Megawatts Program, also called the United States-Russia Highly Enriched Uranium Purchase Agreement, was an agreement between Russia and the United States whereby Russia converted 500 metric tons of "excess" weapons-grade uranium (enough for 20,000 warheads) into 15,000 metric tons of low enriched uranium, which was purchased by the US for use in its commercial nuclear power plants.
A hyperbaric evacuation unit (HEU), also known as a hyperbaric rescue unit (HRU), with the capacity to evacuate the maximum number of divers that the diving system can accommodate, is required, with a life support system that can maintain the hyperbaric environment for at least 72 hours. After the initial evacuation, the HEU and its occupants ...
Highly enriched uranium (HEU), which contains an even greater proportion of uranium-235, is sometimes used in the reactors of nuclear submarines, research reactors and nuclear weapons. If at least one neutron from uranium-235 fission strikes another nucleus and causes it to fission, then the chain reaction will continue.
Boys' roll call at the main children's concentration camp in Łódź, of which KZ Dzierżązna, for Polish girls as young as eight, was a sub-camp.. Heuaktion (German: "hay harvest", or "hay operation") [1] was a World War II operation in which 40,000 to 50,000 Polish and Ukrainian children aged 10 to 14 were kidnapped by German occupation forces and transported to Nazi Germany as slave labourers.