ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Fig. 1. Specific volume of coals versus percentage hydrogen Fig. 2. Density of coals versus percentage hydrogen If coals, especially those of high rank, are composed of molecules which are basically related to graphite, then the hydrogen atoms present in these coals should decrease the density of ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/186792a0
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