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A self-expandable metallic stent (or SEMS) is a metallic tube, or stent that holds open a structure in the gastrointestinal tract to allow the passage of food, chyme, stool, or other secretions related to digestion. Surgeons insert SEMS by endoscopy, inserting a fibre optic camera—either through the mouth or colon —to reach an area of ...
38°48′54″N 77°9′48″W Oliver Wendell Holmes Middle School [38] (Region 2, [1] grades 6–8 [39]), also known as Holmes Middle School, is a public school with an Alexandria address but is outside of the city limits. It is part of the Fairfax County Public Schools system. It is named after the poet Oliver Wendell Holmes Sr.
The Fairfax County Public Schools system (FCPS) is a school division in the U.S. commonwealth of Virginia. It is a branch of the Fairfax County government, which administers public schools in Fairfax County and the City of Fairfax. FCPS's headquarters is located near Falls Church.
The environmental scanning electron microscope (ESEM) is a scanning electron microscope (SEM) that allows for the option of collecting electron micrographs of specimens that are wet, uncoated, or both by allowing for a gaseous environment in the specimen chamber. Although there were earlier successes at viewing wet specimens in internal ...
The Columbian. Website. marshallhs.fcps.edu. George C. Marshall High School is a public school in Falls Church, Virginia. Named for General George C. Marshall, it opened in 1962 and is part of Fairfax County Public Schools (FCPS).
The gaseous detection device (GDD) is a method and apparatus for the detection of signals in the gaseous environment of an environmental scanning electron microscope (ESEM) and all scanned beam type of instruments that allow a minimum gas pressure for the detector to operate.
The Everhart–Thornley detector (E–T detector or ET detector) is a secondary electron and back-scattered electron detector used in scanning electron microscopes (SEMs). It is named after its designers, Thomas E. Everhart and Richard F. M. Thornley, who in 1960 published their design to increase the efficiency of existing secondary electron ...
Website. tjhsst.fcps.edu. Thomas Jefferson High School for Science and Technology (also known as TJHSST, TJ, or Jefferson) is a Virginia state-chartered magnet high school in Fairfax County, Virginia operated by Fairfax County Public Schools. The school occupies the building of the previous Thomas Jefferson High School, constructed in 1964.