ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The first such method used was an acoustic-optical method8 which proved lacking in resolution. An alternative, first explored by MacKay9, uses pulse-echo ultrasonic techniques. The method can, in principle, recognise gas at any site, static or in motion. It should therefore be possible to identify ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/276173a0
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