ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The PICCA (positive-ion-cluster-composition analyser) instrument uses an electrostatic analyser and measures the ratio Fig. 1 Three consecutive measurements of mass spectra. The time is given in spacecraft event time and corresponds to cometocentric distances of (top to bottom) 4,450, 4,230 ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/337053a0
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