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beta ray |
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beta ray [′bād·ə ‚rā] (nuclear physics) A stream of beta particles. 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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| Immediately after the procedure, researchers randomly assigned patients to receive one of four different doses of radioactive yttrium-90 -- which emits beta rays -- within their arteries. The peptide is designed to adhere to somatostatin receptors that are overexpressed by several types of cancer, while the Re-188 isotope "warhead" emits a beta ray that destroys tumor cells. The ocean contains a certain amount of radioactive potassium, which emits beta rays that produce Cherenkov light of their own. |
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