Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 68American Philosophical Society, 1929 |
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Сторінка 298
... electron will strike into an atom in or near the surface of the metal , be swung about comet - wise , and sent flying out of the metal without loss of energy . The direction taken by such an electron as it leaves the metal should be a ...
... electron will strike into an atom in or near the surface of the metal , be swung about comet - wise , and sent flying out of the metal without loss of energy . The direction taken by such an electron as it leaves the metal should be a ...
Сторінка 299
... electron , so that now , at distant points , the action of the nucleus is neutralized by that of the atmosphere . Finally , the wave equation shows that there can be cases in which the distribu- tion of electric charge is not invariable ...
... electron , so that now , at distant points , the action of the nucleus is neutralized by that of the atmosphere . Finally , the wave equation shows that there can be cases in which the distribu- tion of electric charge is not invariable ...
Сторінка 300
... electron ? We are so constituted that we cannot form a picture of " noth- ingness . " Again , when we are told that the electron of hydro- gen may jump from one ellipse of rotation to another , the mind naturally asks " across what is ...
... electron ? We are so constituted that we cannot form a picture of " noth- ingness . " Again , when we are told that the electron of hydro- gen may jump from one ellipse of rotation to another , the mind naturally asks " across what is ...
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104 SOUTH FIFTH AMERICAN PHILOSOPHICAL SOCIETY amoeba Anax junius animals apple Babur Bābur's body botanical Bradbury Bradbury's Campos do Jordão carnivores cell division cell number changes chemical compounds Congress consolidation container Corixids death discovery disease ductless glands effect ether waves exuvia fact forest frequency genes genetics gravitation growth by increase growth factors growth in length gudermannian heat human hyperbolic angle hyps increase in cell influence instar interest Interstate Commerce Commission Jefferson larva larvæ lead Liverpool living Louis Mayfly Mayfly larvæ mean sealevel ment mitosis moults mountain Mousterian Nannothemis bella nature normal observed organism oxidation Oxyaena Palaeonictis paper Philadelphia photographs plate potential prehistory present protoplasm radians railroad Read April result root Rousseau savannas scree scree plants Serra short line silicate skeleton slide species specimen stimulated sulfhydryl talus tion tissue trees tuberculosis tumors vegetation