| copper 64 |
a radioactive isotope of copper, atomic mass 64, with a half-life of 12.70 hours, emitting positrons (energy 0.657 MeV), beta particles (energy 0.571 MeV), and gamma rays (energy 1.34 MeV); used in brain scanning.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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