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exposure |
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exposure(1) The degree to which information can be accessed using authorized or unauthorized methods. See penetration test and risk analysis. exposure 1. Archit the position or outlook of a house, building, etc.; aspect 2. Mountaineering the degree to which a climb, etc. is exposed (see exposed (sense 4)) 3. Photog a. the act of exposing a photographic film or plate to light, X-rays, etc. b. an area on a film or plate that has been exposed to light, etc. c. (as modifier): exposure control 4. Photog a. the intensity of light falling on a photographic film or plate multiplied by the time for which it is exposed b. a combination of lens aperture and shutter speed used in taking a photograph 5. See indecent exposure exposure [ik′spō·zhər] (building construction) The distance from the butt of one shingle to the butt of the shingle above it, or the amount of a shingle that is seen. (graphic arts) The act of permitting light to fall upon a photosensitive material. (medicine) The state of being open to some action or influence that may affect detrimentally, as cold, disease, or wetness. (meteorology) The general surroundings of a site, with special reference to its openness to winds and sunshine. (nucleonics) The total quantity of radiation at a given point, measured in air. The cumulative amount of radiation exposure to which nuclear fuel has been subjected in a nuclear reactor; usually expressed in terms of the thermal energy produced by the reactor per ton of fuel initially present, as megawatt days per ton. (optics) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| 4 mA, the automatic fluoroscopic entrance exposure rate was measured to be 35. The letter stated the firm's diagnostic x-ray systems do not comply with the following items of the Performance Standard: "We measured the entrance exposure rate in the manual mode of the fluoroscopic system to be 27 roentgens per minute at the point where the center of the useful beam enters the patient. The agency wrote that diagnostic X-ray equipment installed by GE at an undisclosed location exceeded the allowed limit for entrance exposure rates in automatic and manual exposure modes. |
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