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Radiology --- X-rays --- Radiology. --- X-rays.

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Ce livre a pour objectif d’apporter une initiation à la technique de résolution de structure par cristallographie aux rayons X aux étudiants en chimie. Il n’a pas été conçu comme un manuel pratique pour les chercheurs du domaine. L’approche choisie est d’introduire les principes et les concepts fondamentaux, de montrer comment ils sont utilisés en pratique, et ensuite d’illustrer avec des cas concrets dans des études. Quelques sujets relatifs à la cristallographie sont discutés dans le dernier chapitre. « … une initiation à la technique de résolution de structure par cristallographie aux rayons X »

X-rays--Diffraction.

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This comprehensive, self-contained guide to X-ray spectroscopy will equip you with everything you need to begin extracting the maximum amount of information available from X-ray spectra. Key topics such as the interaction between X-rays and matter, the basic theory of spectroscopy, and selection and sum rules, are introduced from the ground up, providing a solid theoretical grounding. The book also introduces core underlying concepts such as atomic structure, solid-state effects, the fundamentals of tensor algebra and group theory, many-body interactions, scattering theory, and response functions, placing spectroscopy within a broader conceptual framework, and encouraging a deep understanding of this essential theoretical background. Suitable for graduate students, researchers, materials scientists and optical engineers, this is the definitive guide to the theory behind this powerful and widely used technique.

X-ray spectroscopy. --- X-rays --- Inelastic scattering. --- Absorption spectra. --- Scattering.

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This thesis brings together the various techniques of X-ray spectral analysis in order to examine the properties of black holes that vary in mass by several orders of magnitude. In all these systems it is widely accepted that the X-ray emission is produced by Compton up-scattering of lower energy seed photons in a hot corona or accretion flow, and here these processes are examined through a study of the X-ray spectral variability of each source. A new technique is introduced, in which models are fitted to over 2 million X-ray spectra on time-scales as short as 16 ms, and subsequently it is shown that the nature of the correlation between intensity and spectral index is strongly dependent upon the spectral state of the black hole. Finally, the results of an extensive survey of nearby galactic nuclei using the Chandra X-ray telescope are presented in the form of images and spectra, and these results are used along with data from the literature to search for Compton-thick nuclei.

Physics. --- Astronomy, Observations and Techniques. --- Physique --- Astronomy & Astrophysics --- Physical Sciences & Mathematics --- Astronomy - General --- X-ray astronomy. --- Accretion (Astrophysics) --- Black holes (Astronomy) --- Astrophysics. --- Astronomical physics --- Frozen stars --- Observations, Astronomical. --- Astronomy --- Observations. --- Cosmic physics --- Physics --- Compact objects (Astronomy) --- Gravitational collapse --- Stars --- Astrophysics --- Space astronomy --- X-rays --- Astronomical observations --- Observations, Astronomical --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Astronomy—Observations.

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Looking for the seminal guide to HRCT and lung abnormalities? Get the newly revised and updated 5th edition of High-Resolution CT of the Lung, the leading reference on the use of high-res computed tomography for diagnosis and assessment of diffuse lung diseases. Written by leading experts in the field, this comprehensive reference offers a thorough grounding in HRCT interpretation, offering the latest technical and clinical data, including recent advances in the classification and understanding of diffuse lung diseases and their HRCT appearances.Features: new: full-color illustrations of histo

Lungs --- Tomography. --- Lung --- Cardiopulmonary system --- Chest --- Respiratory organs --- Body section radiography --- Computed tomography --- Computer tomography --- Computerized tomography --- CT (Computed tomography) --- Laminagraphy --- Laminography --- Radiological stratigraphy --- Stratigraphy, Radiological --- Tomographic imaging --- Zonography --- Cross-sectional imaging --- Radiography, Medical --- Geometric tomography --- Radiography. --- Diseases --- Pathology. --- Tomography, X-Ray Computed --- Lung Diseases --- Radiography --- Diagnostic X-Ray --- Diagnostic X-Ray Radiology --- X-Ray Radiology, Diagnostic --- Radiology, Diagnostic X-Ray --- Roentgenography --- X-Ray, Diagnostic --- Diagnostic X Ray --- Diagnostic X Ray Radiology --- Diagnostic X-Rays --- Radiology, Diagnostic X Ray --- X Ray Radiology, Diagnostic --- X Ray, Diagnostic --- X-Rays, Diagnostic --- CAT Scan, X Ray --- CT X Ray --- Computed Tomography, X-Ray --- Computed X Ray Tomography --- Computerized Tomography, X Ray --- Electron Beam Tomography --- Tomography, X Ray Computed --- Tomography, X-Ray Computer Assisted --- Tomography, X-Ray Computerized --- Tomography, X-Ray Computerized Axial --- Tomography, Xray Computed --- X Ray Computerized Tomography --- X Ray Tomography, Computed --- X-Ray Computer Assisted Tomography --- X-Ray Computerized Axial Tomography --- CAT Scan, X-Ray --- CT Scan, X-Ray --- Cine-CT --- Computerized Tomography, X-Ray --- Electron Beam Computed Tomography --- Tomodensitometry --- Tomography, Transmission Computed --- X-Ray Tomography, Computed --- Beam Tomography, Electron --- CAT Scans, X-Ray --- CT Scan, X Ray --- CT Scans, X-Ray --- CT X Rays --- Cine CT --- Computed Tomography, Transmission --- Computed Tomography, X Ray --- Computed Tomography, Xray --- Computed X-Ray Tomography --- Scan, X-Ray CAT --- Scan, X-Ray CT --- Scans, X-Ray CAT --- Scans, X-Ray CT --- Tomographies, Computed X-Ray --- Tomography, Computed X-Ray --- Tomography, Electron Beam --- Tomography, X Ray Computer Assisted --- Tomography, X Ray Computerized --- Tomography, X Ray Computerized Axial --- Transmission Computed Tomography --- X Ray Computer Assisted Tomography --- X Ray Computerized Axial Tomography --- X Ray, CT --- X Rays, CT --- X-Ray CAT Scan --- X-Ray CAT Scans --- X-Ray CT Scan --- X-Ray CT Scans --- X-Ray Computed Tomography --- X-Ray Computerized Tomography --- Xray Computed Tomography --- Colonography, Computed Tomographic --- diagnostic imaging --- pathology --- E-books