ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Since March 1938, we have been engaged in the study of artificial radioactivity induced in thorium by fast neutrons. We have already reported1 the production of uranium Y, which was obtained in the course of this investigation. At that time we had examined tho barium and ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/144547c0
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