Nature, Volume 454Sir Norman Lockyer Macmillan Journals Limited, 2008 |
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Página 92
... carbon reservoir . Here we report ion microprobe analyses of the carbon isotope composition of these diamond - graphite inclusions . The observed d13CPDB values ( expressed using the PeeDee Belemnite standard ) range between -5 per mil ...
... carbon reservoir . Here we report ion microprobe analyses of the carbon isotope composition of these diamond - graphite inclusions . The observed d13CPDB values ( expressed using the PeeDee Belemnite standard ) range between -5 per mil ...
Página 94
... carbon dioxide. could accumulate light carbon as a result of interaction with an early- Earth atmosphere that was rich in methane and possibly carbon diox- ide ( ref . 5 ) . As mantle convection gradually restarted , this crust could ...
... carbon dioxide. could accumulate light carbon as a result of interaction with an early- Earth atmosphere that was rich in methane and possibly carbon diox- ide ( ref . 5 ) . As mantle convection gradually restarted , this crust could ...
Página 819
... carbon- capture - and - storage hardware , biomass goes from being carbon neutral to carbon negative , effectively sucking carbon dioxide out of the atmosphere and storing it in the ground ( see ' Carbon capture and storage , page 822 ) ...
... carbon- capture - and - storage hardware , biomass goes from being carbon neutral to carbon negative , effectively sucking carbon dioxide out of the atmosphere and storing it in the ground ( see ' Carbon capture and storage , page 822 ) ...
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More CO2 means more | 46 |
ARTICLES | 49 |
SMAD proteins control DROSHAmediated microRNA maturation | 56 |
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