| 1. | A dirty bomb is made of any radioactive source and a conventional explosive.
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| 2. | Most radioactive sources produce gamma rays, which are of various energies and intensities.
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| 3. | The drawback to HIDs are that they contain a radioactive source.
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| 4. | Brachytherapy can use temporary or permanent placement of radioactive sources.
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| 5. | The radioactive source emits alpha particles into both chambers, which ionizes some air molecules.
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| 6. | "Cradle-to-grave control is essential for these powerful radioactive sources, " he told the conferees.
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| 7. | Iraq has more than 1, 000 radioactive sources, 400 them at Tuwaitha, Fleming said.
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| 8. | They look like they could hold radioactive sources in them or something like that.
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| 9. | There are just too many radioactive sources available across the globe, the report said.
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| 10. | At night the rover hibernated until the next sunrise, heated by the radioactive source.
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