 | Sir Norman Lockyer - 1915 - عدد الصفحات: 834
...introduction of a definite physical concept, which descends, as it were, from a clear sky on the readers of mathematical memoirs, marks an epoch in the history of the science.' From the viewpoint of the engineer, nothing is of more practical importance than the great discoveries... | |
 | 1914 - عدد الصفحات: 458
...introduction of a definite physical concept, which descends, as it were, from a clear sky on the readers of mathematical memoirs, marks an epoch in the history of the science." From the standpoint of the engineer, nothing is of more practical importance than the great discoveries... | |
 | British Association for the Advancement of Science - 1915 - عدد الصفحات: 1050
...introduction of a definite physical concept, \vhich descends, as it were, from a clear sky on the readers of mathematical memoirs, marks an epoch in the history of the science.' From the standpoint of the engineer, nothing is of more practical importance than the great discoveries... | |
 | عدد الصفحات: 384
...new modulus of rigidity for this resistance. He defined " the modulus of elasticity of a substance1" as a column of the substance capable of producing...science. In the literature of this, the first period iu the history of our subject, there are many discussions of the physical cause of elasticity, the... | |
 | عدد الصفحات: 688
...resistance to shear. He defined "the modulus of elasticity of a substance"" as "a column of the same substance capable of producing a pressure on its base...memoirs, marks an epoch in the history of the science. Side by side with the statical developments of Galileo's enquiry there were discussions of the vibrations... | |
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This introduction of a definite physical concept, associated with the coefficient of elasticity, which descends as it were from a clear sky on the reader of mathematical memoirs, marks an epoch in the history of the science. 