| 11. | A liquid deuterium moderator ( " cold source " ) gives a world-leading cold-neutron flux density.
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| 12. | The conditions inside certain types of nuclear reactors with high neutron flux can cause induced radioactivity.
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| 13. | Two new elements, einsteinium and fermium, were produced by intensely concentrated neutron flux about the detonation site.
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| 14. | When the neutron flux subsides, these nuclei beta decay into stable isotopes of osmium, iridium and platinum.
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| 15. | Plutonium-240 exhibits a high rate of spontaneous fission, raising the neutron flux of any sample containing it.
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| 16. | Typically the available neutron flux, and the weak interaction between neutrons and matter, require relative large samples.
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| 17. | The neutron flux at the imaging focal plane is measured by a scintillation screen in front of it.
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| 18. | This lowers the neutron flux on any particular part of the chamber wall through the inverse square law.
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| 19. | Typically the strongest neutron flux occurs in the middle of the reactor core, becoming lower toward the edges.
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| 20. | Nuclear warheads are very resistant to physical damage, but are very difficult to harden against extreme neutron flux.
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