Science, Том 323,Выпуски 5917-5922American Association for the Advancement of Science, 2009 |
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Стр. 1038
... carbon - supported catalysts for H2O ; synthesis at 2 ° C . All catalysts calcined in air 400 ° C for 3 hours . Reaction conditions : 10 mg catalys using carbon as support , 2.9 MPa H2 ( 5 % volume fraction ) / CO2 1.1 MPa O2 ( 25 ...
... carbon - supported catalysts for H2O ; synthesis at 2 ° C . All catalysts calcined in air 400 ° C for 3 hours . Reaction conditions : 10 mg catalys using carbon as support , 2.9 MPa H2 ( 5 % volume fraction ) / CO2 1.1 MPa O2 ( 25 ...
Стр. 1276
... carbon that humans and natural sources are pouring into the atmosphere ends up . How much is being absorbed and where ? NASA's Orbiting Carbon Observatory ( OCO ) was sup- posed to provide some answers about the nature of carbon sinks ...
... carbon that humans and natural sources are pouring into the atmosphere ends up . How much is being absorbed and where ? NASA's Orbiting Carbon Observatory ( OCO ) was sup- posed to provide some answers about the nature of carbon sinks ...
Стр. 1706
... carbon atom is 15.8 eV ( 27 ) . The knock - on energy threshold for ejection of an in - lattice carbon atom with three bonds is 17 eV , corresponding to a beam energy of 86 keV ( 28 ) , and hence those atoms are not ejected . However ...
... carbon atom is 15.8 eV ( 27 ) . The knock - on energy threshold for ejection of an in - lattice carbon atom with three bonds is 17 eV , corresponding to a beam energy of 86 keV ( 28 ) , and hence those atoms are not ejected . However ...
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