Nature, Volume 253Sir Norman Lockyer Macmillan Journals Limited, 1975 |
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Página 175
... observed one , but there is still some contribution from the B - type spectrum . The wavelength scale is approximate . phase angle of second contact is given by the difference in the radii of the two stars divided by their separation ...
... observed one , but there is still some contribution from the B - type spectrum . The wavelength scale is approximate . phase angle of second contact is given by the difference in the radii of the two stars divided by their separation ...
Página 338
... Observed ( a ) and synthetic ( b ) strain records for the Caltech north - east strain network at Naña , Peru . Tidal effects . removed from the synthetic . Small arrow indicates precursor onset ; A = 11.21 ° . Note the change of time ...
... Observed ( a ) and synthetic ( b ) strain records for the Caltech north - east strain network at Naña , Peru . Tidal effects . removed from the synthetic . Small arrow indicates precursor onset ; A = 11.21 ° . Note the change of time ...
Página 453
... observed ' , which indicates a selection for polyploid cells . Only diploid cells were , however , observed in mitosis in suspen- sion cultures of Haplopappus gracilis ( Nutt . ) Gray ( n = 2 ) ( ref . 2 ) , Medicago sativa L. ( n = 16 ) ...
... observed ' , which indicates a selection for polyploid cells . Only diploid cells were , however , observed in mitosis in suspen- sion cultures of Haplopappus gracilis ( Nutt . ) Gray ( n = 2 ) ( ref . 2 ) , Medicago sativa L. ( n = 16 ) ...
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London Ltd 1974 2 50 | 2 |
72 Ft Harcourt Brace Jovanovich Publishers 1974 18 50 | 18 |
PrenticeHall Inc 1974 Cleveland Ohio CRC Press Inc Oxford Blackwell Scientific Publications 1974 | 119 |
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