ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Almost 30 years ago, Cherdyntsev7'9 discovered that the 234U/238U ratio does not remain constant in a mineral extract: for example, uranium in a zircon extract showed a 234u/238U ratio of 1.8 (Ci/Ci) while that of surface waters was sometimes as high as 7-8. Kigoshi10 proposed that the excess 234U ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/312535a0
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