Number of the records: 1
ióny ťažké
Subject h. ióny ťažké Subject h. Heavy Ions English X references Ions, Heavy Scope note in English Positively-charged atomic nuclei that have been stripped of their electrons. These particles have one or more units of electric charge and a mass exceeding that of the Helium-4 nucleus (alpha particle). 
subject heading
Number of the records: 1