{"trackId":"58ad5d9849ab8f6f13752f88","definitionVersion":0,"nearbyWords":["protactinium","protract","protect","protects","protocol","protractor","protracted","protocols","protected","protector","prolactin","protractors","protective","protecting","protection","protectors","protagonist","protections","proactive","protectively"],"usages":{"total":"9","results":[{"phrase":"This is the largest protactinium-uranium disequilibrium found in any subduction-zone volcano.","src":"sciencedaily.com","additionalProperties":{"additionalProperties":{"additionalProperties":{}}}},{"phrase":"This results in a slower melting rate, which produces a higher ratio of protactinium to uranium 235.","src":"sciencedaily.com","additionalProperties":{"additionalProperties":{"additionalProperties":{}}}},{"phrase":"They also point out that protactinium separation already happens, as part of other chemical processes.","src":"sciencedaily.com","additionalProperties":{"additionalProperties":{"additionalProperties":{}}}},{"phrase":"The resulting protactinium-234 undergoes further beta decay with a half-life of less than 2 minutes.","src":"newscientist.com","additionalProperties":{"additionalProperties":{"additionalProperties":{}}}},{"phrase":"It is accompanied by a sister process, in which uranium-235 decays into protactinium-231, which has a half-life of 34,300 years.","src":"en.wikipedia.org","additionalProperties":{"additionalProperties":{"additionalProperties":{}}}},{"phrase":"In Kick'em Jenny lavas, the researchers found there was twice as much protactinium than should be present if the system was in secular equilibrium.","src":"sciencedaily.com","additionalProperties":{"additionalProperties":{"additionalProperties":{}}}},{"phrase":"If left in the fuel, protactinium would absorb too many neutrons to make breeding with a graphite moderator and thermal spectrum possible.","src":"en.wikipedia.org","additionalProperties":{"additionalProperties":{"additionalProperties":{}}}},{"phrase":"Other designs propose to use heavy water as a super efficient moderator to improve neutron economy allowing more loss to protactinium absorption.","src":"en.wikipedia.org","additionalProperties":{"additionalProperties":{"additionalProperties":{}}}},{"phrase":"While uranium is water-soluble, thorium and protactinium are not, and so they are selectively precipitated into ocean-floor sediments, from which their ratios are measured.","src":"en.wikipedia.org","additionalProperties":{"additionalProperties":{"additionalProperties":{}}}}],"additionalProperties":{"additionalProperties":{"totalResults":"12","additionalProperties":{}}}},"videoIds":"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"}
protactinium
7
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