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In conventional CT machines, an X-ray tube and detector are physically rotated behind a circular shroud (see the image above right). An alternative, short lived design, known as electron beam tomography (EBT), used electromagnetic deflection of an electron beam within a very large conical X-ray tube and a stationary array of detectors to achieve very high temporal resolution, for imaging of ...
Connecticut's 5th congressional district is a congressional district in the U.S. state of Connecticut.Located in the western part of the state and spanning across parts of Fairfield, Litchfield, New Haven, and Hartford Counties, the district runs from Meriden and New Britain in central Connecticut, westward to Danbury and the surrounding Housatonic Valley, encompassing the Farmington Valley ...
This proposal was approved by the Census Bureau in 2022, and will be fully implemented by 2024. [5] In 2015, the State of Connecticut had previously recognized COGs as county equivalents under state law in anticipation of future census recognition, allowing them to apply for funding and grants made available to county governments in other states.
Electron beam CT scanners are considered a fifth generation CT scanner, with first generation being the pencil beam with translation and rotation, second generation being a fan beam with similar motion to its predecessor, third generation having both rotating fan beam and detectors and fourth generation being a fan beam with a rotating movement but fixed detector.
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[162] [163] [164] One study estimated that as many as 0.4% of cancers in the United States resulted from CT scans, and that this may have increased to as much as 1.5 to 2% based on the rate of CT use in 2007. [148] Others dispute this estimate, [165] as there is no consensus that the low levels of radiation used in CT scans cause damage. Lower ...
For a citation to appear in a footnote, it needs to be enclosed in "ref" tags. You can add these by typing <ref> at the front of the citation and </ref> at the end. . Alternatively you may notice above the edit box there is a row of "markup" formatting buttons which include a <ref></ref> button to the right—if you highlight your whole citation and then click this markup button, it will ...
The mother of American journalist Austin Tice, who was taken captive during a reporting trip to Syria in August 2012, voiced hope that upheaval in Syria would lead to freedom for her son.. Debra ...