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The Hounsfield unit (HU) scale is a linear transformation of the original linear attenuation coefficient measurement into one in which the radiodensity of distilled water at standard pressure and temperature is defined as 0 Hounsfield units (HU), while the radiodensity of air at STP is defined as −1000 HU.
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Radiodensity (or radiopacity) is opacity to the radio wave and X-ray portion of the electromagnetic spectrum: that is, the relative inability of those kinds of electromagnetic radiation to pass through a particular material.
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Hounsfield scale, a quantitative measure of radiodensity used in evaluating CT scans Topics referred to by the same term This disambiguation page lists articles associated with the title Hounsfield .
Hounsfield was born in Sutton-on-Trent, Nottinghamshire, England on 28 August 1919. [14] He was the youngest of five children (he has two brothers and two sisters). His father, Thomas Hounsfield was a farmer from Beighton, and was linked to the prominent Hounsfield and Newbold families of Hackenthorpe Hall, his mother was Blanche Dilcock.
"The Hounsfield scale applies to medical grade CT scans but not to cone beam computed tomography (CBCT) scans." That is not really correct. It "applies" to CBCT equally it just is not normally used. The reason for this is that CBCT has inherent X-ray scatter which contaminates the CBCT reconstruction and makes t
Drilling Formula Sheets is a set of Drilling Formulas used commonly by drilling engineers in the onshore and offshore oil drilling industry. They are used as part of a key piece of engineering work called Well Control .