ScienceJohn Michels (Journalist) 1958 |
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Стр. 147
... vitamin B12 for growth in a defined medium ( 1 ) . This is the first instance of a fungus known to require an exogenous supply of vitamin B12 . The finding is therefore of interest to comparative biochemists because it places the fungi ...
... vitamin B12 for growth in a defined medium ( 1 ) . This is the first instance of a fungus known to require an exogenous supply of vitamin B12 . The finding is therefore of interest to comparative biochemists because it places the fungi ...
Стр. 148
... vitamin B12 . Consistent results and satisfactory recovery of added vitamin B12 ( 5 μμg / ml ) were obtained with one sample at both dilutions ; with the other , only at the greater dilution . Both samples assayed 16 to 20 mug of vitamin ...
... vitamin B12 . Consistent results and satisfactory recovery of added vitamin B12 ( 5 μμg / ml ) were obtained with one sample at both dilutions ; with the other , only at the greater dilution . Both samples assayed 16 to 20 mug of vitamin ...
Стр. 1500
... vitamin B12 . The average results of the vitamin- content analyses are presented in Table 1. The four algae gave rather high re- sults for niacin content when compared to many vegetables , fruits , and animal feeds . However , even the ...
... vitamin B12 . The average results of the vitamin- content analyses are presented in Table 1. The four algae gave rather high re- sults for niacin content when compared to many vegetables , fruits , and animal feeds . However , even the ...
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Infrared absorption spectra of steroids | 11 |
K and J F Winn Renal | 12 |
Insecticide broadcast use of 462 effect | 25 |
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