ScienceJohn Michels (Journalist) 1948 |
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Стр. 108
... direct collodion replica of the protein film was pre- pared by casting in the usual manner from an amyl acetate solution . The collodion film was stripped and the negative replica obtained was shadowed with chro- mium at an angle of 1 ...
... direct collodion replica of the protein film was pre- pared by casting in the usual manner from an amyl acetate solution . The collodion film was stripped and the negative replica obtained was shadowed with chro- mium at an angle of 1 ...
Стр. 473
... direct contrast with the potassium pattern . It is not accumulated by stem tissue to any great degree - another point of direct contrast with potassium . It is evident , from the characteristic patterns of molyb- denum accumulation ...
... direct contrast with the potassium pattern . It is not accumulated by stem tissue to any great degree - another point of direct contrast with potassium . It is evident , from the characteristic patterns of molyb- denum accumulation ...
Стр. 648
... direct circulation from the warm to the cold region aloft and from the cold to the warm region at the ground ; and ( 2 ) the principle of the conservation of angular momentum , which requires poleward - moving air masses on the rotating ...
... direct circulation from the warm to the cold region aloft and from the cold to the warm region at the ground ; and ( 2 ) the principle of the conservation of angular momentum , which requires poleward - moving air masses on the rotating ...
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