ScienceJohn Michels (Journalist) 1947 |
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Стр. 375
... solution of carotene ( 90 per cent ẞ- and 10 per cent a - carotene ) in anhydrous , alcohol - free ethyl ether is run in from the burette , followed by 1 ml . of a 2 per cent aqueous solution of osmium tetroxide , the solution is ...
... solution of carotene ( 90 per cent ẞ- and 10 per cent a - carotene ) in anhydrous , alcohol - free ethyl ether is run in from the burette , followed by 1 ml . of a 2 per cent aqueous solution of osmium tetroxide , the solution is ...
Стр. 470
... solution . Formation of the red oxide is favored by in- creasing the area of air - solution interface ; formation of the yellow oxide , by bringing more air into solution in the chalyb- eate water . By exposing sand moistened with ...
... solution . Formation of the red oxide is favored by in- creasing the area of air - solution interface ; formation of the yellow oxide , by bringing more air into solution in the chalyb- eate water . By exposing sand moistened with ...
Стр. 646
... solution of pinone polymers . Without any preparation , the hair or scales of skin are put on a slide covered with a thin coating of the solution of the resins , covered with a cover slip pressed to remove bubbles of air . The solvent ...
... solution of pinone polymers . Without any preparation , the hair or scales of skin are put on a slide covered with a thin coating of the solution of the resins , covered with a cover slip pressed to remove bubbles of air . The solvent ...
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Grim J M 354 430 502 | 10 |
Sci 105 | 19 |
Plasma Accelerator Factor and Purified | 22 |
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