Sinopsis
Hook line : Learn how X-ray tube targets and cooling affect image quality and tube life in radiography.
The book explains practical principles of X-ray tube design, focusing on how the target material and cooling methods influence performance. It covers standard and alternative cooling approaches, including air cooling and water cooling, and explains when each is advantageous for maintaining vacuum, stability, and sharp, detailed radiograms.
What you’ll experience- Clear explanations of target materials, heat management, and their impact on image quality
- Practical guidance on cooling devices, from simple radiography setups to heavy-discharge tubes
- Comparisons of hard versus soft X-rays and how vacuum level changes tube performance
- Illustrated descriptions of tube components, construction, and operating considerations
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Reseña del editor
Excerpt from The Principles of Radiography
William Gilbert but the effect itself was known to the Greek philosophers. In Spite of the immense amount of electrical research, we know very little more as to its real nature than they did.
Although both a rubbed glass rod and a rubbed ebonite rod attract light objects, there is a difference between the electricity excited in the two cases. If an ebonite rod is rubbed with flannel and suspended on a stirrup so as to be free to turn, and a second ebonite rod, electrified in the same way, is brought near it, it will be found that the two rods repel each other. If, however, the charged glass rod is brought near the suspended ebonite rod, the latter will be attracted. Similarly an electrified glass rod is repelled by a second charged glass rod, while it is attracted by a charged ebonite rod. There are thus two kinds Of electricity, each of which repels other electrical charges of the same kind as itself, while it attracts charges of the other kind. This is usually expressed by saying that like charges repel; unlike charges attract.
The kind of electricity excited on a glass rod by rubbing it with Silk was called vitreous, but is now known as positive electricity while the kind excited on an ebonite rod by rubbing it with flannel was called resinous, but is now always called negative electricity. The terms positive and negative arose from the fact that if equal quantities of vitreous and resinous electricity are placed on the same body, the latter shows no Signs of electrification. The result of adding together equal quantities of vitreous and resinous electricity is thus zero, and this result can be expressed mathematically by assign ing a positive sign to the one and a negative Sign to the other. It is therefore a convenience in the mathematical theory of electricity to regard the two kinds Of electricity as being of opposite Sign.
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Reseña del editor
The book contains little or nothing that an experienced X-ray worker will not have had to discover for himself during the course of his work. The discovery of physical principles with the aid of an elaborate X-ray installation is, however, apt to be an expensive as well as a tedious process, and the ordinary text-books of Physics are not primarily concerned with the needs of radiographers. It seemed, therefore, that practitioners and others who might be commencing this fascinating branch of work with no greater knowledge of physics than some hazy recollections of a first M.B. examination, might welcome a brief explanation of the principles of the subject on the physical side. With the medical side of the subject it is not within my province to deal. The subject-matter of this volume formed part of a series of lectures given in connection with the recently established Diploma in Medical Radiology andE lectrology, at Cambridge. The interest shown by the members of the class in the physical principles of the subject, and the difficulty experienced in finding any book which met our immediate requirements, encourages me to hope that these pages may prove of use to a wider circle.
(Typographical errors above are due to OCR software and don't occur in the book.)
About the Publisher
Forgotten Books is a publisher of historical writings, such as: Philosophy, Classics, Science, Religion, History, Folklore and Mythology.
Forgotten Books' Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the aged text. Read books online for free at www.forgottenbooks.org
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Paperback. Condición: New. Print on Demand. This book provides an accessible introduction to the physical principles underlying X-ray production, with a focus on the principles involved in the operation of X-ray equipment. The author explains foundational concepts in electricity and its associated phenomena. This book is well-suited for those new to the field, including medical practitioners and radiographers, as well as those seeking a deeper understanding of the scientific principles behind X-ray technology. The principles and insights presented in this book are essential to comprehending the nature of X-rays and the safe and effective operation of X-ray equipment. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Nº de ref. del artículo: 9781440080456_0
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