Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 90American Philosophical Society, 1946 |
З цієї книги
Результати 1-3 із 43
Сторінка 3
... masses but the same chemical properties . Furthermore , it was observed that the masses of these isotopes were very nearly integral multiples of the mass of the hydrogen atom , the nucleus of which is called a proton . This suggested ...
... masses but the same chemical properties . Furthermore , it was observed that the masses of these isotopes were very nearly integral multiples of the mass of the hydrogen atom , the nucleus of which is called a proton . This suggested ...
Сторінка 37
... mass is 1,800 times smaller than the mass of either of the nucleons . A fourth particle , the positron , is identical in mass with the electron but opposite in charge . The positron does not occur naturally on the earth because it ...
... mass is 1,800 times smaller than the mass of either of the nucleons . A fourth particle , the positron , is identical in mass with the electron but opposite in charge . The positron does not occur naturally on the earth because it ...
Сторінка 107
... mass over its present mass ; that the day was about four hours long ; and that therefore the rotation of the earth was too slow for ejection of material ultimately constituting the moon as a coherent , independent body . If that ...
... mass over its present mass ; that the day was about four hours long ; and that therefore the rotation of the earth was too slow for ejection of material ultimately constituting the moon as a coherent , independent body . If that ...
Зміст
SYMPOSIUM ON ATOMIC ENERGY AND | 1 |
Atomic Weapons J R OPPENHEIMER | 7 |
ENRICO FERMI | 20 |
19 інших розділів не відображаються
Інші видання - Показати все
Загальні терміни та фрази
absorption AMERICAN PHILOSOPHICAL SOCIETY analysis Antiquaries Aratta atomic bomb atomic energy Beitr Berlin century Classical colonial color words craters deuts Dichtung discovery discussion Diss E. T. A. Hoffmanns earth effect electron elementary particles England English Enkidu Enmerkar Erech Farben field fission German Gilgamesh Goethe Groos important Inanna interest isotopes Jefferson Kunst land Landschaft language literary literature London Lugalbanda lunar Lyrik mass material means ment mental mesons method moon München nations nature Naturgefühl neutrons nuclear nucleons nucleus organization Paris particles peace period Philol Phys physical plant plutonium poetry poets possible present Principal Navigations problem protons Psychol psychology radiation radioactive reaction Roman scientific scientists sensation social Spelman Sprache Stil Studien studies style synaesthesia theory tion trends UNESCO United Univ University uranium VIII Virginia weapons William Strachey Ztschr