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This document establishes standards for the technical performance of cabinet x-ray imaging systems used for screening at security checkpoints and other inspection venues.
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Despite the masses still lining up to enter mega-churches with warehouse-like architecture, casually dressed clergy, and pop Christian music, the "Post-Boomer" generation-those ranging in age from twenty to forty-is having second thoughts. In this perceptive look at the evolving face of Christianity in contemporary culture, sociologists Richard Flory and Donald E. Miller argue that we are on the verge of another potential revolution in how Christians worship and associate with one another. Just as the formative experiences of Baby Boomers were colored by such things as the war in Vietnam, the 1960's, and a dramatic increase in their opportunities for individual expression, so Post-Boomers have grown up in less structured households with working (often divorced) parents. These childhood experiences leave them craving authentic spiritual experience, rather than entertainment, and also cause them to question institutions. Flory and Miller develop a typology that captures four current approaches to the Christian faith and argue that this generation represents a new religious orientation of "expressive communalism," in which they seek spiritual experience and fulfillment in community and through various expressive forms of spirituality, both private and public.
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Portable X-ray fluorescence (PXRF) instrumentation has some unique analytical capabilities for the in situ analysis of samples in the field. These capabilities have been extended in recent years by the continuing development of solid state detectors, surface mounted electronics, digital signal processing technology, Li-ion batteries combined with a choice of rugged sealed radioisotope sources or miniature X-ray tubes that provide lightweight hand-held devices. As well as opening up new applications, in situ measurements by PXRF, where the instrument is placed in direct contact with the object to be analysed, involve the complete integration of sampling and analysis. Careful interpretation of results is therefore required, particularly when the analysis is used to estimate the bulk composition of a sample. In this monograph, an overview is given of instrumentation, analytical capabilities, and limitations in the interpretation of results, sampling considerations and applications where PXRF offers substantial advantages over conventional analytical techniques. The aim is to give the reader an insight into the capabilities of the technique and to demonstrate the contribution it can make to a range of areas of contemporary scientific interest. Chapters are written by internationally recognised scientists with practical experience of in situ analysis using portable X-ray fluorescence and demonstrates the wide range of applications for the technique. The topics covered are illustrated with diagrams and photographs where appropriate and each chapter includes supporting references to enable the reader to gain a greater understanding of a particular application. Topics include: -analytical capabilities -instrumentation -quantification -correction procedures -sampling considerations -future developments Applications include: -the assessment of contaminated land -surfaces -coatings and paints -workplace monitoring -metal & alloy sorting -geochemical prospecting -archaeological investigations -museum samples & works of art -extraterrestrial analysis The work is aimed at scientists who have some knowledge of analytical techniques and/or the applications covered, but are not fully familiar with the capabilities of PXRF. It offers a general introduction to the technique and its applications rather than a research monograph. As such, it is aimed at analytical scientists, environmental and geological scientists, industrial hygienists, industrial and plant scientists, archaeometrists and museum researchers, research scientists and research students with projects in the applications covered. Undergraduate students studying associated degree courses will also benefit from the work.
X-ray spectroscopy. --- Spectroscopie des rayons X. --- X-ray spectroscopy --- Emission spectroscopy, X-ray --- Energy dispersive x-ray spectroscopy --- Excitation analysis, Fluorescent --- Fluorescence analysis, X-ray --- Fluorescent excitation analysis --- Fluorescent x-ray spectroscopy --- X-ray emission spectroscopy --- X-ray fluorescence analysis --- Spectrum analysis --- XES (X-ray emission spectroscopy) --- X-ray photoelectron spectroscopy. --- Electron spectroscopy for chemical analysis --- ESCA (Electron spectroscopy for chemical analysis) --- XPS (X-ray photoelectron spectroscopy) --- Photoelectron spectroscopy
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The solar atmosphere, above the Sun's surface layers, reaches mega-kelvin temperatures and high levels of dynamic activity through processes involving a pervading magnetic field. This book explores one of the principal means of understanding the solar atmosphere, its ultraviolet and soft X-ray emission. The ultraviolet and X-ray spectra of the Sun's atmosphere provide valuable information about its nature - the heat and density of its various parts, its dynamics, and chemical composition. The principles governing spectral line and continuous emission, and how spectral studies lead to deductions about physical properties, are described, together with spacecraft instrumentation from Skylab, SolarMax, Yohkoh, SOHO, TRACE, and Hinode. With introductions to atomic physics and diagnostic techniques used by solar spectroscopists, a list of emission lines in ultraviolet and soft X-ray regions, and a glossary of terms, this is an ideal reference for graduate students and researchers in astrophysics and solar physics.
Spectrum, Solar. --- Ultraviolet spectroscopy. --- X-ray spectroscopy.
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X-ray optics --- Roentgen optics --- X-ray optics. --- Physical optics --- Applied Physics
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Church government --- Stephen IX (X) [Pope] --- Benedict X [Pope] --- Nicholas II [Pope]
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Spectrum, Solar --- Ultraviolet spectroscopy --- X-ray spectroscopy --- Soleil --- Spectroscopie ultraviolette --- Spectroscopie de rayons X --- Spectre
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Lithography, Electron beam --- Masks (Electronics) --- Microlithography --- X-ray lithography --- X-rays --- Industrial applications --- Industrial applications
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Lithography, Electron beam --- Masks (Electronics) --- Microlithography --- X-ray lithography --- X-rays --- Industrial applications --- Industrial applications
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433 --- opvoeding --- vraagbaken --- 433.9 --- C3 --- informatie (x) --- techniek --- wereld (x) --- ruimtevaart --- menselijk lichaam (x) --- dagelijks leven --- geschiedenis --- natuur --- dieren --- Opvoeding in de praktijk --- Kunst en cultuur
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