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Author: Cal (Crystal) Biruk
Publisher: Duke University Press
ISBN: 0822371820
Category : Social Science
Languages : en
Pages : 302
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Book Description
In Cooking Data Crystal Biruk offers an ethnographic account of research into the demographics of HIV and AIDS in Malawi to rethink the production of quantitative health data. While research practices are often understood within a clean/dirty binary, Biruk shows that data are never clean; rather, they are always “cooked” during their production and inevitably entangled with the lives of those who produce them. Examining how the relationships among fieldworkers, supervisors, respondents, and foreign demographers shape data, Biruk examines the ways in which units of information—such as survey questions and numbers written onto questionnaires by fieldworkers—acquire value as statistics that go on to shape national AIDS policy. Her approach illustrates how on-the-ground dynamics and research cultures mediate the production of global health statistics in ways that impact local economies and formulations of power and expertise.
Author: Cal (Crystal) Biruk
Publisher: Duke University Press
ISBN: 0822371820
Category : Social Science
Languages : en
Pages : 302
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Book Description
In Cooking Data Crystal Biruk offers an ethnographic account of research into the demographics of HIV and AIDS in Malawi to rethink the production of quantitative health data. While research practices are often understood within a clean/dirty binary, Biruk shows that data are never clean; rather, they are always “cooked” during their production and inevitably entangled with the lives of those who produce them. Examining how the relationships among fieldworkers, supervisors, respondents, and foreign demographers shape data, Biruk examines the ways in which units of information—such as survey questions and numbers written onto questionnaires by fieldworkers—acquire value as statistics that go on to shape national AIDS policy. Her approach illustrates how on-the-ground dynamics and research cultures mediate the production of global health statistics in ways that impact local economies and formulations of power and expertise.
Author:
Publisher:
ISBN:
Category : Technology
Languages : en
Pages : 256
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Book Description
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 776
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Book Description
Author: Ilia Manolov
Publisher: Cambridge Scholars Publishing
ISBN: 1527571084
Category : Medical
Languages : en
Pages : 235
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Book Description
Coumarin is a structural fragment of different natural and synthetic compounds which demonstrate a wide range of pharmacological activities. Its derivatives are of interest in many fields because of their properties as oral anticoagulants or rodenticides, photosensitizers, anti-HIV agents and antibiotics. There has been continuous interest in the synthesis of these compounds. This book describes various experiments for modifying the structure of clinically used anticoagulants, and establishes the structure of the synthesized products through X-ray analysis. It also identifies unexpected structures in this regard, and highlights the usefulness of all these structural modifications through different biological, toxicological and pharmacological experiments.
Author: Gwyndaf Evans
Publisher: Royal Society of Chemistry
ISBN: 1782627286
Category : Science
Languages : en
Pages : 244
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Book Description
Protein crystallography has become vital to further understanding the structure and function of many complex biological systems. In recent years, structure determination has progressed tremendously however the quality of crystals and data sets can prevent the best results from being obtained. With contributions from world leading researchers whose software are used worldwide, this book provides a coherent approach on how to handle difficult crystallographic data and how to assess its quality. The chapters will cover all key aspects of protein crystallography, from instrumentation and data processing through to model building. This book also addresses challenges that protein crystallographers will face such as dealing with data from microcrystals and multi protein complexes. This book is ideal for both academics and researchers in industry looking for a comprehensive guide to protein crystallography.
Author: Takuya Shimajiri
Publisher: Springer Nature
ISBN: 9819906709
Category : Science
Languages : en
Pages : 91
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Book Description
This book focuses on the creation and demonstration of a carbon–carbon (C–C) single bond beyond 1.8 Å and on elucidation of its unique nature. C–C single bond is one of the most fundamental concepts in organic chemistry. The elucidation of its nature is important for further understanding chemical phenomena. The nature in the extreme state of C–C single bond is still unexplored because of the instability of compounds. In terms of its bond length, the limit had been predicted around 1.8 Å based on the experimental and theoretical studies. This book describes a first example of a C–C single bond beyond 1.8 Å by employing the original intramolecular core-shell strategy to make a weak and elongated bond stable enough. The presence of such an elongated bond was demonstrated by experimental and theoretical studies. The bond length changes could affect physical properties such as optical absorption and redox potential. Furthermore, its unique "flexibility" was discovered. This book benefits the chemists with deeper understanding of the covalent bonding.
Author: Heike Lorenz
Publisher: MDPI
ISBN: 3036503307
Category : Science
Languages : en
Pages : 258
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Book Description
This Special Issue is result of a call for papers of the Section Industrial Crystallization of MDPI’s scientific journal Crystals. It addresses scientists and engineers active in research and process & product development in life-science industries (e.g. pharmaceuticals, fine chemicals and biotechnology products) and bulk chemical applications (e.g. desalination) as well. The contributions comprise several fundamental and application-oriented facets of crystallization providing an overview of industrially relevant subjects in the field. Main issues cover phase equilibria and solid-state behavior of crystalline compounds, crystal shape and size and related measurement techniques. Melt and solution crystallization are considered specifically addressing contemporary aspects of continuous crystallization and process intensification.
Author:
Publisher:
ISBN:
Category : Physical instruments
Languages : en
Pages : 60
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Author: Eric Lifshin
Publisher: John Wiley & Sons
ISBN: 3527613757
Category : Technology & Engineering
Languages : en
Pages : 277
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Book Description
Linking of materials properties with microstructures is a fundamental theme in materials science, for which a detailed knowledge of the modern characterization techniques is essential. Since modern materials such as high-temperature alloys, engineering thermoplastics and multilayer semiconductor films have many elemental constituents distributed in more than one phase, characterization is essential to the systematic development of such new materials and understanding how they behave in practical applications. X-ray techniques play a major role in providing information on the elemental composition and crystal and grain structures of all types of materials. The challenge to the materials characterization expert is to understand how specific instruments and analytical techniques can provide detailed information about what makes each material unique. The challenge to the materials scientist, chemist, or engineer is to know what information is needed to fully characterize each material and how to use this information to explain its behavior, develop new and improved properties, reduce costs, or ensure compliance with regulatory requirements. This comprehensive handbook presents all the necessary background to understand the applications of X-ray analysis to materials characterization with particular attention to the modern approach to these methods.
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 704
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Book Description
