Science, Volumen51John Michels (Journalist) American Association for the Advancement of Science, 1920 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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Página 9
... material system . It became evident that the inertia of such a system must depend on its energy- content , so that we were driven to the con- ception that inert mass was nothing else than latent energy . The doctrine of the conserva ...
... material system . It became evident that the inertia of such a system must depend on its energy- content , so that we were driven to the con- ception that inert mass was nothing else than latent energy . The doctrine of the conserva ...
Página 10
... material systems con- cerned . Thus the new theory of gravitation diverges widely from that of Newton with respect ... materials . The building also includes a commodious kiln house for use , among other purposes , of the ceramics ...
... material systems con- cerned . Thus the new theory of gravitation diverges widely from that of Newton with respect ... materials . The building also includes a commodious kiln house for use , among other purposes , of the ceramics ...
Página 14
... material during the early and middle Paleozoic . The occurrence of thread moulds ( Mycelites ossifragus ) in the hard parts of invertebrates and vertebrates , from molluscs to man , has been noted for more than eighty years and the ...
... material during the early and middle Paleozoic . The occurrence of thread moulds ( Mycelites ossifragus ) in the hard parts of invertebrates and vertebrates , from molluscs to man , has been noted for more than eighty years and the ...
Página 15
... material . It is difficult to see how the moulds would find entrance if the material were embedded under sand or silt in deep water . The ancient Egyptian mummies , buried for thousands of years in the dry sand of Nubian deserts do not ...
... material . It is difficult to see how the moulds would find entrance if the material were embedded under sand or silt in deep water . The ancient Egyptian mummies , buried for thousands of years in the dry sand of Nubian deserts do not ...
Página 18
... materials which constitute the soil itself . This gives rise to the question as to whether the minerals from which the ... material was acid ; and that with the exception of the decomposition products such as silicic acid , kaolin , etc ...
... materials which constitute the soil itself . This gives rise to the question as to whether the minerals from which the ... material was acid ; and that with the exception of the decomposition products such as silicic acid , kaolin , etc ...
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