ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] We have measured the N2O content in air trapped in the deep ice core from Byrd Station, Antarctica, drilled in 1968 (ref. 9). Ice samples (-500 g) were milled in a dry extraction vacuum system with a milling cutter to open the air bubbles10"12. CO2 was separated at liquid nitrogen temperature from ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/360449a0