Science, 49. sējumsJohn Michels (Journalist) American Association for the Advancement of Science, 1919 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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1.–5. rezultāts no 100.
2. lappuse
... given portion of radium , according to the exact measure- ments of Professors Boltwood and Ellen Gled- itsch . Moreover , we have reason to believe that this decomposition proceeds in a series of stages , successive atoms of helium ...
... given portion of radium , according to the exact measure- ments of Professors Boltwood and Ellen Gled- itsch . Moreover , we have reason to believe that this decomposition proceeds in a series of stages , successive atoms of helium ...
4. lappuse
... given element might have different atomic weights . is by no means new - it far antedates the dis- covery of radioactivity . Ever since the discovery of the definite com- bining proportions of the elements and the ascription of these ...
... given element might have different atomic weights . is by no means new - it far antedates the dis- covery of radioactivity . Ever since the discovery of the definite com- bining proportions of the elements and the ascription of these ...
8. lappuse
... given element , although a less difference in atomic weight between two different elements ( for example , cobalt and nickel ) is concomitant with utterly divergent spectra . Another very interesting question , involv- ing the relations ...
... given element , although a less difference in atomic weight between two different elements ( for example , cobalt and nickel ) is concomitant with utterly divergent spectra . Another very interesting question , involv- ing the relations ...
14. lappuse
... given by men of large re- sponsibilities in governmental or war work and relating the problems of reconstruc- tion . The experiences of the past two years have had an important bearing on methods of research and an important address was ...
... given by men of large re- sponsibilities in governmental or war work and relating the problems of reconstruc- tion . The experiences of the past two years have had an important bearing on methods of research and an important address was ...
16. lappuse
... given at 8,500,000,000 pounds , as against 6,079,000,000 for 1914 , the year preceding the European war ; and that the total for 1918 of beef pork and mutton is given at 19,495,000,000 pounds , as against 15,587,000,000 pounds for 1914 ...
... given at 8,500,000,000 pounds , as against 6,079,000,000 for 1914 , the year preceding the European war ; and that the total for 1918 of beef pork and mutton is given at 19,495,000,000 pounds , as against 15,587,000,000 pounds for 1914 ...
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