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hard cosmic ray |
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hard cosmic ray [′härd ¦käz·mik ′rā] (nucleonics) A cosmic-radiation component that penetrates a moderate thickness of an absorber, such as 4 inches (10 centimeters) of lead. 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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