High Resolution Ab Initio Three Dimensional X Ray Diffraction Microscopy Cxidb Id 15
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High Resolution Ab Initio Three Dimensional X Ray Diffraction Microscopy Cxidb Id 15
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Author :
language : en
Publisher:
Release Date : 2011
High Resolution Ab Initio Three Dimensional X Ray Diffraction Microscopy Cxidb Id 15 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
The file contains 125 images corresponding to different tilts of the sample around the y axis at 1 degree intervals. Each image is the result of 4 exposures merged together. For more details see the citation.
Data Mining And Statistics For Decision Making
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Author : Stéphane Tufféry
language : en
Publisher: John Wiley & Sons
Release Date : 2011-03-23
Data Mining And Statistics For Decision Making written by Stéphane Tufféry and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03-23 with Mathematics categories.
Data mining is the process of automatically searching large volumes of data for models and patterns using computational techniques from statistics, machine learning and information theory; it is the ideal tool for such an extraction of knowledge. Data mining is usually associated with a business or an organization's need to identify trends and profiles, allowing, for example, retailers to discover patterns on which to base marketing objectives. This book looks at both classical and recent techniques of data mining, such as clustering, discriminant analysis, logistic regression, generalized linear models, regularized regression, PLS regression, decision trees, neural networks, support vector machines, Vapnik theory, naive Bayesian classifier, ensemble learning and detection of association rules. They are discussed along with illustrative examples throughout the book to explain the theory of these methods, as well as their strengths and limitations. Key Features: Presents a comprehensive introduction to all techniques used in data mining and statistical learning, from classical to latest techniques. Starts from basic principles up to advanced concepts. Includes many step-by-step examples with the main software (R, SAS, IBM SPSS) as well as a thorough discussion and comparison of those software. Gives practical tips for data mining implementation to solve real world problems. Looks at a range of tools and applications, such as association rules, web mining and text mining, with a special focus on credit scoring. Supported by an accompanying website hosting datasets and user analysis. Statisticians and business intelligence analysts, students as well as computer science, biology, marketing and financial risk professionals in both commercial and government organizations across all business and industry sectors will benefit from this book.
Methods Of Electronic Structure Theory
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Author : Henry F. Schaefer
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Methods Of Electronic Structure Theory written by Henry F. Schaefer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
These two volumes deal with the quantum theory of the electronic structure of molecules. Implicit in the term ab initio is the notion that approximate solutions of Schrödinger's equation are sought "from the beginning," i. e. , without recourse to experimental data. From a more pragmatic viewpoint, the distin guishing feature of ab initio theory is usually the fact that no approximations are involved in the evaluation of the required molecular integrals. Consistent with current activity in the field, the first of these two volumes contains chapters dealing with methods per se, while the second concerns the application of these methods to problems of chemical interest. In asense, the motivation for these volumes has been the spectacular recent success of ab initio theory in resolving important chemical questions. However, these applications have only become possible through the less visible but equally important efforts of those develop ing new theoretical and computational methods and models. Henry F Schaefer Vll Contents Contents of Volume 4 XIX Chapter 1. Gaussian Basis Sets for Molecular Calculations Thom. H. Dunning, Ir. and P. Ieffrey Hay 1. Introduction . . . . . . . . . . . . . . . . 1 1. 1. Slater Functions and the Hydrogen Moleeule 1 1. 2. Gaussian Functions and the Hydrogen Atom 3 2. Hartree-Fock Calculations on the First Row Atoms 5 2. 1. Valence States of the First Row Atoms 6 7 2. 2. Rydberg States of the First Row Atoms 9 2. 3.
Crystal Structure Determination From Powder Diffraction
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Author : Abraham Clearfield
language : en
Publisher:
Release Date : 2002
Crystal Structure Determination From Powder Diffraction written by Abraham Clearfield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Crystal engineering categories.
High Resolution Ab Initio Three Dimensional X Ray Diffraction Microscopy
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Author :
language : en
Publisher:
Release Date : 2005
High Resolution Ab Initio Three Dimensional X Ray Diffraction Microscopy written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Coherent X-ray diffraction microscopy is a method of imaging non-periodic isolated objects at resolutions only limited, in principle, by the largest scattering angles recorded. We demonstrate X-ray diffraction imaging with high resolution in all three dimensions, as determined by a quantitative analysis of the reconstructed volume images. These images are retrieved from the 3D diffraction data using no a priori knowledge about the shape or composition of the object, which has never before been demonstrated on a non-periodic object. We also construct 2D images of thick objects with infinite depth of focus (without loss of transverse spatial resolution). These methods can be used to image biological and materials science samples at high resolution using X-ray undulator radiation, and establishes the techniques to be used in atomic-resolution ultrafast imaging at X-ray free-electron laser sources.
Statistical Analysis Handbook
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Author : Dr Michael John de Smith
language : en
Publisher: The Winchelsea Press
Release Date :
Statistical Analysis Handbook written by Dr Michael John de Smith and has been published by The Winchelsea Press this book supported file pdf, txt, epub, kindle and other format this book has been release on with Education categories.
A Comprehensive Handbook of Statistical Concepts, Techniques and Software Tools.
High Resolution Ab Initio Three Dimensional Coherence X Ray Diffraction Microscopy
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Author : A. Barty
language : en
Publisher:
Release Date : 2005
High Resolution Ab Initio Three Dimensional Coherence X Ray Diffraction Microscopy written by A. Barty and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Three-dimensional diffraction microscopy offers the potential for high-resolution aberration-free diffraction-limited 3D images without the resolution and depth-of-field limitations of lens-based tomographic systems. Critical issues in obtaining a high-quality image include: (1) Data collection--signal to noise, system stability, dynamic range, automation; (2) Alignment of diffraction patterns with respect to one another; (3) Assembly of the diffraction data into a diffraction volume; and (4) Efficient algorithms for applying phase retrieval techniques to the diffraction volume; (5) Stability of the three-dimensional phase retrieval process; (6) Techniques for determining the object support; and (7) Treatment of missing data, both within the beamstop region and elsewhere. They have obtained high-quality 3D reconstructions from X-ray diffraction data alone. This is an important step, as it does not require a low-resolution image to fill in the beamstop region.
Progress In Three Dimensional Coherent X Ray Diffraction Imaging
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Author : J. M. Kinney
language : en
Publisher:
Release Date : 2005
Progress In Three Dimensional Coherent X Ray Diffraction Imaging written by J. M. Kinney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
The Fourier inversion of phased coherent diffraction patterns offers images without the resolution and depth-of-focus limitations of lens-based tomographic systems. We report on our recent experimental images inverted using recent developments in phase retrieval algorithms, and summarize efforts that led to these accomplishments. These include ab-initio reconstruction of a two-dimensional test pattern, infinite depth of focus image of a thick object, and its high-resolution ({approx}10 nm resolution) three-dimensional image. Developments on the structural imaging of low density aerogel samples are discussed.
Three Dimensional X Ray Diffraction Microscopy
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Author : Henning Friis Poulsen
language : en
Publisher: Springer Science & Business Media
Release Date : 2004-08-31
Three Dimensional X Ray Diffraction Microscopy written by Henning Friis Poulsen and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-08-31 with Nature categories.
Three-dimensional x-ray diffraction (3DXRD) microscopy is a novel experimental method for structural characterisation of polycrystalline materials. The position, morphology, phase, strain and crystallographic orientation of hundreds of grains or sub-grain embedded within mm-cm thick specimens can be determined simultaneously. Furthermore, the dynamics of the individual structural elements can be monitored during typical processes such as deformation or annealing. The book gives a comprehensive account of the methodology followed by a summary of selected applications. The method is presented from a mathematical/crystallographic point-of-view but with sufficient hands-on details to enable the reader to plan his or her own experiments. The scope of applications includes work in materials science and engineering, geophysics, geology, chemistry and pharmaceutical science.
Three Dimensional X Ray Diffraction Microscopy
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Author : Henning Friis Poulsen
language : en
Publisher: Springer
Release Date : 2014-01-15
Three Dimensional X Ray Diffraction Microscopy written by Henning Friis Poulsen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-15 with categories.