ScienceJohn Michels (Journalist) 1956 |
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Стр. 212
... measured at a distance of 8 millimeters from the phosphor . The background was 2 counts per minute and remained constant . The range of alpha particles was measured by changing the distance between the phos- phor and the source ; it was ...
... measured at a distance of 8 millimeters from the phosphor . The background was 2 counts per minute and remained constant . The range of alpha particles was measured by changing the distance between the phos- phor and the source ; it was ...
Стр. 463
... measured with a difference spectrophotometer about 1.5 sec after illumination of 30 - sec duration . SAINA ARBITRARY CHANGE OPTICAL DENSITY LUMINESCENCE LIGHT 100 INTENSITY 200 " C 300 Fig . 3. Luminescence and 525 - mu absorp- tion ...
... measured with a difference spectrophotometer about 1.5 sec after illumination of 30 - sec duration . SAINA ARBITRARY CHANGE OPTICAL DENSITY LUMINESCENCE LIGHT 100 INTENSITY 200 " C 300 Fig . 3. Luminescence and 525 - mu absorp- tion ...
Стр. 673
... measured energy is supplemented by a more intense ( unmeasured ) beam , then the efficiency of the small increment of measured light remains nearly constant out to 685 mμ , even at a temperature of 26 ° C . The supplementary beam is ...
... measured energy is supplemented by a more intense ( unmeasured ) beam , then the efficiency of the small increment of measured light remains nearly constant out to 685 mμ , even at a temperature of 26 ° C . The supplementary beam is ...
Содержание
Effect of ergot drugs on Betta splendens | 5 |
AAASRosenthal cancer prize | 20 |
New scheme for performance of osmotic | 43 |
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