G G PORETTI, and
H von GUNTEN, and
B ZIMMERLI, and
A ZUPPINGER
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MeSH Term
Description
Entries
D011851
Radioactivity
The spontaneous transformation of a nuclide into one or more different nuclides, accompanied by either the emission of particles from the nucleus, nuclear capture or ejection of orbital electrons, or fission. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015019
Yttrium
An element of the rare earth family of metals. It has the atomic symbol Y, atomic number 39, and atomic weight 88.91. In conjunction with other rare earths, yttrium is used as a phosphor in television receivers and is a component of the yttrium-aluminum garnet (YAG) lasers.
D015021
Yttrium Radioisotopes
Unstable isotopes of yttrium that decay or disintegrate emitting radiation. Y atoms with atomic weights 82-88 and 90-96 are radioactive yttrium isotopes.
Radioisotopes, Yttrium
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G G PORETTI, and
H von GUNTEN, and
B ZIMMERLI, and
A ZUPPINGER