ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] A column was prepared from two lengths of copper tubing each 10-ft. long by 3/16 in. bore, filling them with Molecular Sieve 5A of particle size 30-44 B.S.S. mesh and then activating the sieve by heating to 350 C. in vacuo. Each section was coiled into a helix of 4 in. diameter and they were joined ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/1921067a0
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