منابع مشابه
Modern Developments in Electron Microscopy
The caliber of many of the papers was less than optimum. For instance, in the paper on, "The effects of Insulin on Water Intake in the Rat," the author made no attempt to determine if hypoglycemia, shock, or anoxia had occurred after 16-32 units of crystalline insulin was given intravenously to rats. For the reader interested in the complex physio-psychological problem of thirst this symposium ...
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Perhaps no more powerful concept seems to represent today's world than the In-ternet's tearing down of the borders of the nation-state. Even beyond the ability to engage in international commerce, images, and texts from within, otherwise-secretive regimes threaten tyranny, erase difference, and strive to unite us in common humanity. It is, then, only fitting that cutting-edge, modern, technolog...
متن کاملThe Practical Significance of Modern Cardiological Investigations
A GUIDE TO THE HISTORY OF SCIENCE. By George Sarton. Waltham, Mass., The Chronica Botanica Co.; New York, Stechert-Hafner Inc., 1952. xvii + 316 pp. $7.50. More than any other living man, Professor Sarton of Harvard has given to scientists the documentation of the humanistic character of their pursuit. No longer should a student of science look at his subject only as a set of facts to be memori...
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Although compression has been widely used for decades to reduce file sizes (thereby conserving storage capacity and network bandwidth when transferring files), there has been limited use of hardware-based compression within modern memory hierarchies of commodity systems. Why not? Especially as programs become increasingly data-intensive, the capacity and bandwidth within the memory hierarchy (i...
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With the advent of Roentgen methods for surveying the bony pelvis have come many new concepts of the architecture of the female pelvis and its relation to the problems of labor. During the last half dozen years the quest for this newer knowledge has received an extraordinary impetus, obviously due to the excellent results in applying these new truths to practical obstetrics. Methods for measuri...
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ژورنال
عنوان ژورنال: Nature
سال: 1958
ISSN: 0028-0836,1476-4687
DOI: 10.1038/181589a0