rare-earth screen

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rare-earth screen,

an x-ray-intensifying screen made of rare-earth elements, such as yttrium and gadolinium. These screens enable lower radiation doses to be used while producing acceptable film densities.

screen

1. a framework or agent used as a shield or protector.

2. to examine.

fast screen

permits big reduction in exposure to x-ray beam.

screen film

prepared to be used with intensifying screens. The standard film and marketed as being of standard, fast or ultrafast speeds.

rare-earth screen

see rare-earth intensifying screen.

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rare earth screen screen			It is estimated that dose reduction, beam collimation (control), rare-earth screens and filtration, carbon fiber materials, more extensive lead shielding, decrease in contrast resolution and use of a pulsed system in digital radiography and an array of constraining techniques in fluoroscopy could reduce exposure by several fold. X-Rays – What You Don't See & Feel Can Hurt You by Randy Wysong / Food/cooking/nutrition community			rapidly progressive glomerulonephritis rapidly progressive glomerulonephritis with pulmonary hemorrhage Rapids Riding RapiSeal patch Rapism Rapistrum rugosum Rapoport test Rapoport-Luebering cycle Rappaport's acinus rapport rapprochement Raptiva raptor Rapture of the Deep raptus Rapunzel Syndrome rare disease rare earth rare earth magnets rare earth screen rare gases rare hemoglobinopathy RARE SALAMI rare-earth element rare-earth intensifying screen rare-earth screen rarefaction rarefaction, bone RARS RAS ras protein rasagiline rasas rasashastra rasavahasrotas rasayana rasayanas rasburicase rash rash, wandering Rashes Rashkind procedure Rasmussen's aneurysm rasp raspatory Raspberry raspberry leaves raspberry tongue Raspberry Tumour raspweed raspwort			Rare Species Conservatory Foundation Rare Symmetry Violating Processes Rare Threatened or Endangered Rare Ware Rare Witch Project Rare, Endangered and Threatened Rare-book Rare-Book Digital Library rare-earth alloy rare-earth barium-copper-oxide rare-earth chelate laser Rare-Earth Cobalt rare-earth element rare-earth element rare-earth element rare-earth garnet rare-earth intensifying screen rare-earth intensifying screen Rare-Earth Iron Garnet Rare-Earth Laser Device Rare-earth magnet Rare-Earth Metal Rare-Earth Metal Hydride Rare-earth metals Rare-earth mineral Rare-earth minerals rare-earth salts rare-earth screen rare-earth-doped fiber amplifier Rare-Metals Industry, Institute of the rare-roasted rarebit rarebits Rarebyte RAREC Raredos Raredos raree show raree-show raree-shows RAREF rarefaction rarefaction rarefaction rarefaction wave rarefaction, bone Rarefaction-Condensation Differential Potential rarefactions rarefactions rarefactions rarefactive rarefactive rarefactive rarefiable rarefication rarefications rarefied rarefied

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