ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] IN making magnetic measurements on mineral powders, we found that certain iron ores, heated in reducing gases at about 600° C. for a short time and then passed over a high-intensity magnetic separator, could not be demagnetised in the customary manner. Complete demagnetisation was successful ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/132513a0
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