Nature, Volume 429Sir Norman Lockyer Macmillan Journals Limited, 2004 - Electronic journals |
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Page 292
... addition bioassay experiments ' and subsequently confirmed by large - scale iron fertilization experiments2 . Iron supply has been hypothesized to limit nitrogen fixation and hence oceanic primary productivity on geological timescales3 ...
... addition bioassay experiments ' and subsequently confirmed by large - scale iron fertilization experiments2 . Iron supply has been hypothesized to limit nitrogen fixation and hence oceanic primary productivity on geological timescales3 ...
Page 854
... addition ( Fig . 1 , middle inset ) is characterized by a dominant matrix ( light grey ) phase and by a minor ( darker ) phase located along the grain boundaries of the matrix phase . Closer examination of the smaller grain boundary ...
... addition ( Fig . 1 , middle inset ) is characterized by a dominant matrix ( light grey ) phase and by a minor ( darker ) phase located along the grain boundaries of the matrix phase . Closer examination of the smaller grain boundary ...
Page 856
... addition to the Gd , Ge2Si2 compound is to suppress the formation of the orthorhombic phase . In the Gd5Ge1.9Si2Fe0.1 alloy , the monoclinic phase is the stable structure even at low temperatures , and the amount of orthorhombic phase ...
... addition to the Gd , Ge2Si2 compound is to suppress the formation of the orthorhombic phase . In the Gd5Ge1.9Si2Fe0.1 alloy , the monoclinic phase is the stable structure even at low temperatures , and the amount of orthorhombic phase ...
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