Nature, Količina 427Sir Norman Lockyer Macmillan Journals Limited, 2004 |
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Zadetki 1–3 od 84
Stran 241
... carbon , nitrogen and sulphur can help to distinguish organic matter sources15 , but often isotopic differences between endogenous and exogenous materials are not distinct . An alternative approach is to label endogenous primary ...
... carbon , nitrogen and sulphur can help to distinguish organic matter sources15 , but often isotopic differences between endogenous and exogenous materials are not distinct . An alternative approach is to label endogenous primary ...
Stran 305
... Carbon budget in the black A significant fraction of a common organic component of marine sediments has an unexpected source , providing a fresh context for studies of the global carbon cycle in oceanic and terrestrial settings . This ...
... Carbon budget in the black A significant fraction of a common organic component of marine sediments has an unexpected source , providing a fresh context for studies of the global carbon cycle in oceanic and terrestrial settings . This ...
Stran 307
... carbon estimated to be A class act buried in marine sediments each year . But because graphitic black carbon is thought to be created and destroyed very slowly , Dickens et al . think that this loop may act as a significant ' holding ...
... carbon estimated to be A class act buried in marine sediments each year . But because graphitic black carbon is thought to be created and destroyed very slowly , Dickens et al . think that this loop may act as a significant ' holding ...
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