ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Fig. 1 Variation of frequency of hydrogen maser with size of bulb. o, Coating material Teflon FEP 120'; x, coating material 'Fluon GP1'. Three bulbs were coated with Teflon FEP 120' and three with 'Fluon GP1'. The frequencies of the maser were measured in terms of the NPL unit of time which is ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/229110a0
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