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- noun Plural form of
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The steranes, for example, could have moved into the fossils from surrounding rocks.
Medeiros will look for petroleum biomarkers -- such as hopanes, steranes, terpanes -- and also polycyclic aromatic hydrocarbons, which are predominant components of oils.
The overall organic compound content of PM collected by the ESP, including polycyclic aromatic hydrocarbons (PAHs), hopanes, steranes, and alkanes, was in good agreement with that of the reference sampler, with an average ESP - to - reference concentration ratio of 1.07 (+ / - 0.38).
An abundance of C27 steranes relative to C29 counterparts, indicates the likelihood of an algal based origin with the analysis of the aromatic fraction indicating a very high level of thermal maturity (>