Science, Том 134John Michels (Journalist) American Association for the Advancement of Science, 1961 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 673
... energy of the particle ; X = a / A ; a is the mass number of the beam particle ( that is , 4 for alpha particles ) ; A is the mass number of the scattering nucleus ; and is the angle of scattering ( 0 = 180 ° = backward scattering ) ...
... energy of the particle ; X = a / A ; a is the mass number of the beam particle ( that is , 4 for alpha particles ) ; A is the mass number of the scattering nucleus ; and is the angle of scattering ( 0 = 180 ° = backward scattering ) ...
Стр. 1026
... energy . It is predicted that , as research and development continue along the lines discussed here , a practical limit of between 30 and 70 kilowatt - hours per 1000 gallons of demineralized water will be reached . Even if energy were ...
... energy . It is predicted that , as research and development continue along the lines discussed here , a practical limit of between 30 and 70 kilowatt - hours per 1000 gallons of demineralized water will be reached . Even if energy were ...
Стр.
... energy densities I ( W ) have been normalized so that I ( W ) equals 1 at W0 for the sharply focused state = 0 . Decisive changes in I ( W ) occur vhen 4 exceeds Τ . The energy content at the diffraction head ( W = 0 ) diminishes ...
... energy densities I ( W ) have been normalized so that I ( W ) equals 1 at W0 for the sharply focused state = 0 . Decisive changes in I ( W ) occur vhen 4 exceeds Τ . The energy content at the diffraction head ( W = 0 ) diminishes ...
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Millipore | 640 |
DETERMINATION | 654 |
Particles containing lead in both soluble | 672 |
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