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hard radiation

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia 0.01 sec.
hard radiation [′härd ‚rād·ē′ā·shən]
(physics)
Radiation whose particles or photons have a high energy and, as a result, readily penetrate all kinds of materials, including metals.


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00 Paperback QP82 With plans now afoot for the US to resume flights to the moon and thus subject astronauts to hard radiation, NASA requested information from the Council.
The company believes that simultaneous imaging of both soft and hard radiation will improve tissue characterization without requiring a second beam of radiation, thereby avoiding the problems of time lag, registration artifacts, and increased radiation dose.
 
 
 
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