ScienceJohn Michels (Journalist) 1954 |
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Стр. 156
... solution is as good as any known . An increase in light output of 20-30 % can be achieved by thorough flushing with N2.2 Further gains result from adding other components such as diphenyloxadiazole ( PPD ) to the solution but these are ...
... solution is as good as any known . An increase in light output of 20-30 % can be achieved by thorough flushing with N2.2 Further gains result from adding other components such as diphenyloxadiazole ( PPD ) to the solution but these are ...
Стр. 368
... solutions of polystyrene in which the specific viscosity / concentration versus concentration goes through a maximum . The explanation lies in the expansion of the molecule in solution free from interaction with other molecules . S. H. ...
... solutions of polystyrene in which the specific viscosity / concentration versus concentration goes through a maximum . The explanation lies in the expansion of the molecule in solution free from interaction with other molecules . S. H. ...
Стр. 467
... solutions of Na2S were rotated in a constant temperature bath at 25.00 ° C ( ± 0.03 ° C ) for periods of time ranging from 10 hr to several weeks . Na2S and HgS content of solutions from cinnabar - solution mixtures ( two - phase ) kept ...
... solutions of Na2S were rotated in a constant temperature bath at 25.00 ° C ( ± 0.03 ° C ) for periods of time ranging from 10 hr to several weeks . Na2S and HgS content of solutions from cinnabar - solution mixtures ( two - phase ) kept ...
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Henry A Saller | 4 |
The Engineering Design of the North American Aviation | 15 |
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