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Author : Anonim
Publisher : Unknown
Page : 302 pages
File Size : 47,9 Mb
Release : 2007
Category : Crystallography
ISBN : STANFORD:36105123663275
Author : Yves Epelboin
Publisher : Springer Science & Business Media
Page : 318 pages
File Size : 42,8 Mb
Release : 2013-04-17
Category : Science
ISBN : 9789401736978
The 10th edition of the World Directory of Crystallographers and of Other Scientists Employing Crystallographic Methods is a revised and up-to-date edition of the World Directory and contains the current addresses, academic status and research interests of over 8000 scientists in 74 countries. It is produced directly from the regularly updated electronic World Directory database, which is accessible via the World-Wide Web. Full details of the database are given in an Annex to the printed edition.
Author : R E Dinnebier,S J L Billinge
Publisher : Royal Society of Chemistry
Page : 604 pages
File Size : 43,9 Mb
Release : 2015-11-09
Category : Science
ISBN : 9781782625995
Powder diffraction is a widely used scientific technique in the characterization of materials with broad application in materials science, chemistry, physics, geology, pharmacology and archaeology. Powder Diffraction: Theory and Practice provides an advanced introductory text about modern methods and applications of powder diffraction in research and industry. The authors begin with a brief overview of the basic theory of diffraction from crystals and powders. Data collection strategies are described including x-ray, neutron and electron diffraction setups using modern day apparatus including synchrotron sources. Data corrections, essential for quantitative analysis are covered before the authors conclude with a discussion of the analysis methods themselves. The information is presented in a way that facilitates understanding the information content of the data, as well as best practices for collecting and analyzing data for quantitative analysis. This long awaited book condenses the knowledge of renowned experts in the field into a single, authoritative, overview of the application of powder diffraction in modern materials research. The book contains essential theory and introductory material for students and researchers wishing to learn how to apply the frontier methods of powder diffraction
Author : Jenny Pickworth Glusker,Kenneth N. Trueblood
Publisher : OUP Oxford
Page : 304 pages
File Size : 40,7 Mb
Release : 2010-05-27
Category : Science
ISBN : 9780191604249
This book aims to explain how and why the detailed three-dimensional architecture of molecules can be determined by an analysis of the diffraction patterns obtained when X rays or neutrons are scattered by the atoms in single crystals. Part 1 deals with the nature of the crystalline state, diffraction generally, and diffraction by crystals in particular, and, briefly, the experimental procedures that are used. Part II examines the problem of converting the experimentally obtained data into a model of the atomic arrangement that scattered these beams. Part III is concerned with the techniques for refining the approximate structure to the degree warranted by the experimental data. It also describes the many types of information that can be learned by modern crystal structure analysis. There is a glossary of terms used and several appendixes to which most of the mathematical details have been relegated.
Author : Christopher Hammond
Publisher : OUP Oxford
Page : 450 pages
File Size : 50,7 Mb
Release : 2009-05-07
Category : Science
ISBN : 9780191567711
This book provides a clear introduction to topics which are essential to students in a wide range of scientific disciplines but which are otherwise only covered in specialised and mathematically detailed texts. It shows how crystal structures may be built up from simple ideas of atomic packing and co-ordination, it develops the concepts of crystal symmetry, point and space groups by way of two dimensional examples of patterns and tilings, it explains the concept of the reciprocal lattice in simple terms and shows its importance in an understanding of light, X-ray and electron diffraction. Practical examples of the applications of these techniques are described and also the importance of diffraction in the performance of optical instruments. The book is also of value to the general reader since it shows, by biographical and historical references, how the subject has developed and thereby indicates some of the excitement of scientific discovery.
Author : Europa Publications
Publisher : Routledge
Page : 3070 pages
File Size : 52,5 Mb
Release : 2020-08-26
Category : Reference
ISBN : 9781000326390
The Europa Directory of International Organizations 2020 serves as an unequalled one-volume guide to the contemporary international system. Within a clear, unique framework the recent activities of all major international organizations are described in detail. Given alongside extensive background information the reader is able to assess the role and evolving functions of these organizations in today's world. The contact details, key personnel and activities of more than 2,000 international and regional entities have again been thoroughly researched and updated for this 20th edition. Highlights in this edition include: - a fully revised Who's Who section with biographical details of the key players in the international system. - the response of the international community to crises and conflicts throughout the world. - introductory essays, written and updated by experts in their field, which consider topics including global environmental governance, the international criminal justice system, international humanitarian co-operation, and governance of the global economy.
Author : John R. Helliwell
Publisher : CRC Press
Page : 158 pages
File Size : 42,8 Mb
Release : 2021-02-15
Category : Medical
ISBN : 9781000344042
Big questions and issues arise about the role of the scientific life in our society and in our world. These have to do with trusting science at all, or with the wider roles of the scientist. The Whens and Wheres of a Scientific Life serves as an epilogue to author John R. Helliwell’s scientific life trilogy of books on the Hows (i.e. skills), the Whys and the Whats of a scientific life. When and where questions play a big role in major science facility decisions. When and where also play a big role in controlling a pandemic like the coronavirus COVID-19. The consequences of such work and the role science plays in society are discussed in this book. Key Features: Discusses when and where we can make new and better things happen and make new discoveries. Explains whens and wheres as examples in basic science and explaining these to the public User friendly and concise, this text provides a wide range of examples of science and discovery The author has diverse experience in career development, teaching and research The importance of open data to the reproducibility of science are described
Author : Europa Publications
Publisher : Taylor & Francis
Page : 3194 pages
File Size : 52,6 Mb
Release : 2022-07-28
Category : Reference
ISBN : 9781000778632
The Europa Directory of International Organizations 2022 serves as an unequalled one-volume guide to the contemporary international system. Within a clear, unique framework the recent activities of all major international organizations are described in detail. Given alongside extensive background information the reader is able to assess the role and evolving functions of these organizations in today's world. The contact details, key personnel and activities of more than 2,000 international and regional entities have again been thoroughly researched and updated for this 24th edition. Highlights in this edition include: - a fully revised Who's Who section with biographical details of the key players in the international system. - the response of the international community to crises and conflicts throughout the world. - specially-commissioned introductory essays cover topics including global environmental governance, transboundary water management, and multilateral governance and global action on health.
Author : Joel Bernstein
Publisher : Oxford University Press
Page : 429 pages
File Size : 46,9 Mb
Release : 2002
Category : Science
ISBN : 9780198506058
Polymorphism - the multiplicity of structures or forms - is a term that is used in many disciplines. In chemistry it refers to the existence of more than one crystal structure for a particular chemical substance. The properties of a substance are determined by its composition and by its structure. In the last two decades, there has been a sharp rise in the interest in polymorphic systems, as an intrinsically interesting phenomenon and as an increasingly important component in the development and marketing of a variety of materials based on organic molecules (e.g. pharmaceuticals, dyes and pigments, explosives, etc.). This book summarizes and brings up to date the current knowledge and understanding of polymorphism of molecular crystals, and concentrates it in one comprehensive source. The book will be an invaluable reference for students, researchers, and professionals in the field.
Author : Europa Publications
Publisher : Taylor & Francis
Page : 2470 pages
File Size : 41,9 Mb
Release : 2003
Category : Associations, institutions, etc
ISBN : 1857432274
First published in 2003. Routledge is an imprint of Taylor & Francis, an informa company.
Author : Taylor & Francis Group
Publisher : Taylor & Francis
Page : 2464 pages
File Size : 43,9 Mb
Release : 2004
Category : Associations, institutions, etc
ISBN : 1857432541
Author : Gautam R. Desiraju,Thomas Steiner
Publisher : International Union of Crystal
Page : 530 pages
File Size : 53,6 Mb
Release : 2001
Category : Hydrogen bonding
ISBN : 0198509707
The weak or non-conventional hydrogen bond has been subject of intense scrutiny over recent years in several fields, in particular in structural chemistry, structural biology, and also in the pharmaceutical sciences. There is today a large body of experimental and theoretical evidenceconfirming that hydrogen bonds like C-H...O, N-H...pi, C-H...pi and even bonds like O-H...metal play distinctive roles in molecular recognition, guiding molecular association, and in determining molecular and supramolecular architectures. The relevant compound classes include organometalliccomplexes, organic and bio-organic systems, and also DNA and proteins. The book provides a comprehensive assessment of this interaction type, and is of interest to all those interested in structural and supramolecular science, including fields as crystal engineering and drug design.
Author : Vitalij Pecharsky,Peter Zavalij
Publisher : Springer Science & Business Media
Page : 751 pages
File Size : 41,9 Mb
Release : 2008-11-26
Category : Science
ISBN : 9780387095783
A little over ?ve years have passed since the ?rst edition of this book appeared in print. Seems like an instant but also eternity, especially considering numerous developments in the hardware and software that have made it from the laboratory test beds into the real world of powder diffraction. This prompted a revision, which had to be beyond cosmetic limits. The book was, and remains focused on standard laboratory powder diffractometry. It is still meant to be used as a text for teaching students about the capabilities and limitations of the powder diffraction method. We also hope that it goes beyond a simple text, and therefore, is useful as a reference to practitioners of the technique. The original book had seven long chapters that may have made its use as a text - convenient. So the second edition is broken down into 25 shorter chapters. The ?rst ?fteen are concerned with the fundamentals of powder diffraction, which makes it much more logical, considering a typical 16-week long semester. The last ten ch- ters are concerned with practical examples of structure solution and re?nement, which were preserved from the ?rst edition and expanded by another example – R solving the crystal structure of Tylenol .
Author : Ian David Brown
Publisher : Oxford University Press on Demand
Page : 289 pages
File Size : 43,9 Mb
Release : 2002
Category : Science
ISBN : 9780198508700
The bond valence model is a recently developed model of the chemical bond in inorganic chemistry that complements the bond model widely used in organic chemistry. It is simple, quantitative, intuitive, and predictive - no more than a pocket calculator is needed to calculate it. This book focuses on the theory that underlies the model, and shows how it has been used in physics, materials science, chemistry, mineralogy, soil science, and molecular biology.
Author : John R. Helliwell
Publisher : CRC Press
Page : 155 pages
File Size : 40,6 Mb
Release : 2015-11-16
Category : Medical
ISBN : 9781498732116
Crystallography is one of the most multidisciplinary sciences, with roots in fields as varied as mathematics, physics, chemistry, biology, materials science, computation and earth and planetary science. The structural knowledge gained from crystallography has been instrumental in acquiring new levels of understanding in numerous scientific areas. Perspectives in Crystallography provides an overview of the current state of the field, reviews its historical origins and explains how crystallography contributes to the sustainability of life. This book resonates with the recent United Nations and UNESCO International Year of Crystallography, a celebration of its achievements and importance, undertaken with the International Union of Crystallography. The author of this book is the editor in chief of Crystallography Reviews, where some of the contents have been previously published. Here, subjects of interest to specialists and non-specialists have been brought together in a single source. The book opens with a description of the ways to explain crystallography to diverse general audiences. It also addresses various topics in crystallography, including: The evolution and importance of synchrotron radiation to crystallography The structural chemistry and biology of colouration in marine crustacea Predicting protonation states of proteins versus crystallographic experimentation The book then offers a projection of crystal structure analysis in the next 100 years and concludes by emphasizing the societal impacts of crystallography that allow for sustainability of life. Perspectives in Crystallography offers a threefold look into the past, present and long-term development and relevance of crystal structure analysis. It is concerned not only with the state of the field, but with its role in the perpetuation of life on earth. As such, it is a reference of vital interest to a broad range of analytical and practical sciences.