ScienceJohn Michels (Journalist) 1940 |
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Page 21
... present we have to do with the former . These fall into three sèries commonly called after their most prominent members , radium , actinium and thorium . Each series starts with an almost stable atom , so that only a very small fraction ...
... present we have to do with the former . These fall into three sèries commonly called after their most prominent members , radium , actinium and thorium . Each series starts with an almost stable atom , so that only a very small fraction ...
Page 23
... present , with the stars ( or whatever they were if they had not yet begun to shine ) close together ; or it may have expanded , at first slowly , then faster , from a finite original size smaller than at present . In the future it may ...
... present , with the stars ( or whatever they were if they had not yet begun to shine ) close together ; or it may have expanded , at first slowly , then faster , from a finite original size smaller than at present . In the future it may ...
Page 608
John Michels (Journalist). doubtedly exist in all of them at the present time and more will develop as the defense program expands . Experience of every nation engaged in the World War and the conditions under which the present con ...
John Michels (Journalist). doubtedly exist in all of them at the present time and more will develop as the defense program expands . Experience of every nation engaged in the World War and the conditions under which the present con ...
Contents
STEVENS S S and J VOLKMANN Sensory Discrimina | 1 |
Civil Service Positions 232 | 9 |
LUKENS F D W and F C DOHAN Diabetic Cats 222 | 10 |
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