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1000 tulosta hakusanalla F. W. Hawkins

Auditory System

Auditory System

E. de Boer; W. Connor; H. Davis; J.J. Eggermont; R. Galambos; C.D. Geisler; G.M. Gerken; H.E. von Gierke; C.S. Hallpike; E.Jr. Hawkins; S.A. Hillyard; W.D. Keidel; D.E. Parker; T.W. Picton; W. Rudmose; F.B. Simmons; G. Stange; C.R. Steele; J. Tonndorf; M.E. Wigand; F. Zöllner

Springer-Verlag Berlin and Heidelberg GmbH Co. K
2011
nidottu
after heated and often bitter debates, SIEBENMANN'S opinion finally prevailed, i. e. , a contribution to cochlear lesions due to vibrations of the floor transmitted via bone conduction could not be demonstrated. For one thing, it was hard to see how appreciable amounts of energy could reach the ears in this manner, considering the attenuation that is bound to occur across each of the many joints along the pathway involved. In some older audiological surveys conducted in industry (e. g. , TEMKIN, 1933), groups of workmen were found who displayed signs of apical-turn lesions, i. e. , low-tone hearing losses for air and for bone. Such lesions could not be expected to results from exposure to air-borne sounds because of the low-frequency attenu­ ation of the middle ear. Although WITTMAACK'S explanation, which was frequently invoked in such reports, does no longer appear tenable, such apical-turn lesions could conceivably be caused by bone conduction components of high-intensity noise in the sense of BEKESY (1948). - As far as I am aware of, no newer studies have been conducted in this problem area, and the older experiments and/or surveys were done at times before signal parameters could be precisely controlled or measured. A detailed, critical review of the older studies on the potential contribution of bone-conducted energy to industrial hearing loss and its underlying pathology may be found in Werner (1940) who, incidently, favored SIEBENMANN'S point of VIew.
The Large Scale Structure of Space-Time

The Large Scale Structure of Space-Time

Stephen W. Hawking; George F. R. Ellis

Cambridge University Press
2023
sidottu
First published in 1973, this influential work discusses Einstein's General Theory of Relativity to show how two of its predictions arise: first, that the ultimate fate of many massive stars is to undergo gravitational collapse to form 'black holes'; and second, that there was a singularity in the past at the beginning of the universe. Starting with a precise formulation of the theory, including the necessary differential geometry, the authors discuss the significance of space-time curvature and examine the properties of a number of exact solutions of Einstein's field equations. They develop the theory of the causal structure of a general space-time, and use it to prove a number of theorems establishing the inevitability of singularities under certain conditions. A Foreword contributed by Abhay Ashtekar and a new Preface from George Ellis help put the volume into context of the developments in the field over the past fifty years.
The Large Scale Structure of Space-Time

The Large Scale Structure of Space-Time

Hawking S. W.; Ellis G. F. R.

Cambridge University Press
1975
pokkari
Einstein's General Theory of Relativity leads to two remarkable predictions: first, that the ultimate destiny of many massive stars is to undergo gravitational collapse and to disappear from view, leaving behind a 'black hole' in space; and secondly, that there will exist singularities in space-time itself. These singularities are places where space-time begins or ends, and the presently known laws of physics break down. They will occur inside black holes, and in the past are what might be construed as the beginning of the universe. To show how these predictions arise, the authors discuss the General Theory of Relativity in the large. Starting with a precise formulation of the theory and an account of the necessary background of differential geometry, the significance of space-time curvature is discussed and the global properties of a number of exact solutions of Einstein's field equations are examined. The theory of the causal structure of a general space-time is developed, and is used to study black holes and to prove a number of theorems establishing the inevitability of singualarities under certain conditions. A discussion of the Cauchy problem for General Relativity is also included in this 1973 book.
F. W. Taylor
This collection focuses on Frederick Winslow Taylor (1856-1915), the initiator of 'scientific management'. Taylor set out to transform what had previously been a crude art form into a firm body of knowledge. His work is synonymous with breaking down tasks into the smallest detail, diagnosing the abilities of workers, and then fitting the two together to achieve greater efficiency. His methods have been associated with both massive increases in productivity and an obsession with control.
Selected Historical Essays of F. W. Maitland

Selected Historical Essays of F. W. Maitland

F. W. Maitland

Cambridge University Press
2008
pokkari
Noted as one of the ablest and exacting historians of his generation, this selection of historical essays by F. W. Maitland is designed to render more accessible those shorter writings of Maitland's which have the greatest intrinsic value for students of history. While best illustrating his distinctive qualities, it thus serves to stimulate a taste for his greater works. Except for Essay VII, Maitland's notes are given in full, with only slight corrections made necessary by the reclassification of historical records or the detection of some small error of fact.
Multani Stories, Collected and Translated by F.W. Skemp
"Multani Stories" is a collection of traditional tales from the Multan region, gathered and translated by F.W. Skemp. Originally published in 1917, this volume offers a fascinating glimpse into the folklore and culture of the Punjab region of India. These short stories, passed down through generations, reflect the values, beliefs, and everyday life of the people of Multan. Skemp's translations capture the authentic voice of these narratives, preserving their charm and providing valuable insights into a rich oral tradition. This edition ensures that these captivating stories remain accessible to modern readers, offering a window into a vibrant and historically significant culture. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.