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Titlebook: Industrial Radiology; Theory and practice R. Halmshaw Book 1995Latest edition R. Halmshaw 1995 X-ray.computed tomography (CT).radiation.rad

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发表于 2025-3-21 18:09:56 | 显示全部楼层 |阅读模式
书目名称Industrial Radiology
副标题Theory and practice
编辑R. Halmshaw
视频video
丛书名称Non-Destructive Evaluation Series
图书封面Titlebook: Industrial Radiology; Theory and practice R. Halmshaw Book 1995Latest edition R. Halmshaw 1995 X-ray.computed tomography (CT).radiation.rad
描述Industrial radiography is a well-established non-destructive testing (NDT) method in which the basic principles were established many years ago. However, during 1993-95 the European Standards Organisa­ tion (CEN) commenced drafting many new standards on NDT including radiographic methods, and when completed these will replace national standards in all the EC member countries. In some cases these standards vary significantly from those in use in the UK at present. These CEN standards are accepted by majority, not unanimous voting, so they will become mandatory even in countries which vote against them. As most are likely to be legal by the time this second edition is published, they are described in the appropriate places in the text. The most important new technical development is the greater use of computers in radiology. In the first edition, computerized tomography was only briefly mentioned at the end of Chapter 11, as it was then largely a medical method with only a few equipments having found a place in industrial use. The method depends on a complex computer program and a large data store. Industrial equipments are now being built, although their spread into industry has bee
出版日期Book 1995Latest edition
关键词X-ray; computed tomography (CT); radiation; radiology; tomography
版次2
doihttps://doi.org/10.1007/978-94-011-0551-4
isbn_softcover978-94-010-4244-4
isbn_ebook978-94-011-0551-4Series ISSN 1567-7990
issn_series 1567-7990
copyrightR. Halmshaw 1995
The information of publication is updating

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R. Halmshaw MBE, Ph.D., ARCS, C. Phys., F. Inst. P., Hon. F. Brit. Inst. NDT, Hon. F. Indian Soc. ND
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Gamma-ray sources and equipment,e radioactive substances emitting gamma-rays which are used in radiography. Alpharays consist of the nuclei of helium and although they may have a considerable kinetic energy they will penetrate only very small thicknesses of material such as, for example, very thin foil. Beta-rays are electrons and
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Recording of radiation,uch a detecting medium may give an indication of the spatial variations in intensity over an area, i.e. a two-dimensional detector, or it may be necessary or desirable to obtain a point-by-point measure of radiation intensity by a scanning procedure.
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Radiographic techniques: sensitivity,tion of a component part, and then the most important criterion may be the definition of detail, sharpness of images of edges, or even correct angulation of the component relative to the radiation beam. In these cases radiographic flaw sensitivity may be a relatively minor factor in defining high-qu
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ises fourteen predictors of four main entities: student, family, school, and surroundings. This application employs advanced mathematical models to analyze the data and generate risk scores indicating the dropout likelihood. This empowers counselors to proactively intervene and provide targeted supp
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R. Halmshaw MBE, Ph.D., ARCS, C. Phys., F. Inst. P., Hon. F. Brit. Inst. NDT, Hon. F. Indian Soc. NDsurements. It has a log-likelihood score of 5579 and a perplexity score of 287. A good model is one with a higher log-likelihood and lower perplexity. The study ex-tracts popular TikTok topics using both the LDA topic modelling technique and the .-means clustering algorithm.
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