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Languages : en
Pages : 24
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 30
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Book Description
Author: Nikolaus H. Fischer
Publisher: Springer Science & Business Media
ISBN: 1468490605
Category : Science
Languages : en
Pages : 412
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Book Description
This volume contains reviews which are based on a symposium, given th at the 30 meeting of The Phytochemical Society of North America, held at Laval University in Quebec City, Canada on August 11-15, 1990. During the past two decades, there have been major new developments in methods which can be applied toward the isolation, separation and structure determination of complex natural products. Therefore, the topic of this symposium, "Modem Phytochemical Methods", is a very timely one. The organizers of the symposium recognized that it would not be possible to cover in detail all new advances in phytochemical methodology. It was therefore decided to emphasize general reviews on recent developments of major separation techniques such as high performance liquid chromatography as well as supercritical fluid chromato graphy. In addition, advances in commonly used structure determination methods, mainly NMR and MS, are reviewed. Other topics include methodo logies of micro-sampling for isolation and analysis of trichome constituents as well as recent breakthroughs on biosynthetic studies of monoterpenes using "enriched" basal cells of trichomes. The volume concludes with a review of quantitative structure-activity relationship (QSAR) studies of biologically active natural products. In Chapter I, K. Hostettmann and his colleagues give a general review of recent developments in the separation of natural products with major emphasis on preparative separations of biologically active plant constituents. The authors present a comparison of droplet countercurrent chromatography (OCCC) with the highly rapid and more versatile centrifugal partition chromatography (CPC).
Author: Larry D. Purnell
Publisher: Springer Nature
ISBN: 3030513998
Category : Medical
Languages : en
Pages : 771
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Book Description
This textbook is the new edition of Purnell's famous Transcultural Health Care, based on the Purnell twelve-step model and theory of cultural competence. This textbook, an extended version of the recently published Handbook, focuses on specific populations and provides the most recent research and evidence in the field. This new updated edition discusses individual competences and evidence-based practices as well as international standards, organizational cultural competence, and perspectives on health care in a global context. The individual chapters present selected populations, offering a balance of collectivistic and individualistic cultures. Featuring a uniquely comprehensive assessment guide, it is the only book that provides a complete profile of a population group across clinical practice settings. Further, it includes a personal understanding of the traditions and customs of society, offering all health professionals a unique perspective on the implications for patient care.
Author: Mark Crocker
Publisher: John Wiley & Sons
ISBN: 3527344667
Category : Technology & Engineering
Languages : en
Pages : 634
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Book Description
A comprehensive reference to the use of innovative catalysts and processes to turn biomass into value-added chemicals Chemical Catalysts for Biomass Upgrading offers detailed descriptions of catalysts and catalytic processes employed in the synthesis of chemicals and fuels from the most abundant and important biomass types. The contributors?noted experts on the topic?focus on the application of catalysts to the pyrolysis of whole biomass and to the upgrading of bio-oils. The authors discuss catalytic approaches to the processing of biomass-derived oxygenates, as exemplified by sugars, via reactions such as reforming, hydrogenation, oxidation, and condensation reactions. Additionally, the book provides an overview of catalysts for lignin valorization via oxidative and reductive methods and considers the conversion of fats and oils to fuels and terminal olefins by means of esterification/transesterification, hydrodeoxygenation, and decarboxylation/decarbonylation processes. The authors also provide an overview of conversion processes based on terpenes and chitin, two emerging feedstocks with a rich chemistry, and summarize some of the emerging trends in the field. This important book: -Provides a comprehensive review of innovative catalysts, catalytic processes, and catalyst design -Offers a guide to one of the most promising ways to find useful alternatives for fossil fuel resources -Includes information on the most abundant and important types of biomass feedstocks -Examines fields such as catalytic cracking, pyrolysis, depolymerization, and many more Written for catalytic chemists, process engineers, environmental chemists, bioengineers, organic chemists, and polymer chemists, Chemical Catalysts for Biomass Upgrading presents deep insights on the most important aspects of biomass upgrading and their various types.
Author: Bhupinder Pal Singh
Publisher: Springer Science & Business Media
ISBN: 364220256X
Category : Technology & Engineering
Languages : en
Pages : 399
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Book Description
“Soil Health and Climate Change” presents a comprehensive overview of the concept of soil health, including the significance of key soil attributes and management of soil health in conventional and emerging land use systems in the context of climate change. Starting with a review of the physical, chemical and biological indicators of soil health and their significance for monitoring the impacts of climate change, this book then focuses on describing the role of soil structure, pH, organic matter, nitrogen, respiration and biota in sustaining the basic functions of soil ecosystems, and their anticipated responses to climate change. Further topics include the management of cropping, pastoral, and forestry systems, and rehabilitated mine sites, with a focus on mitigation of and adaptation to climate change impacts. Finally, the opportunities and potential risks of organic farming, biochar and bioenergy systems, and their ability to sustain and even enhance soil health, are discussed.
Author: H. Clark Barrett
Publisher: Oxford University Press, USA
ISBN: 0199348316
Category : Psychology
Languages : en
Pages : 417
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Book Description
The Shape of Thought: How Mental Adaptations Evolve presents a road map for an evolutionary psychology of the twenty-first century. It shows how the brain can be both a complexly specialized organ and a dynamic and flexible self-organizing system, shaped by learning and culture.
Author: Otto Geiger
Publisher: Springer
ISBN: 9783319504292
Category : Science
Languages : en
Pages : 0
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Book Description
Concise chapters, written by experts in the field, cover a wide spectrum of topics on lipid and membrane formation in microbes (Archaea, Bacteria, eukaryotic microbes).All cells are delimited by a lipid membrane, which provides a crucial boundary in any known form of life. Readers will discover significant chapters on microbial lipid-carrying biomolecules and lipid/membrane-associated structures and processes.
Author: Brenda Major
Publisher: Oxford University Press
ISBN: 0190243473
Category : Medical
Languages : en
Pages : 577
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Book Description
Stigma leads to poorer health. In The Oxford Handbook of Stigma, Discrimination, and Health, leading scholars identify stigma mechanisms that operate at multiple levels to erode the health of stigmatized individuals and, collectively, produce health disparities. This book provides unique insights concerning the link between stigma and health across various types of stigma and groups.
Author: Robert Trivers
Publisher: Oxford University Press, USA
ISBN: 0195130626
Category : Language Arts & Disciplines
Languages : en
Pages : 356
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Book Description
From scholarly journals, Trivers (anthropology and biological sciences, Rutgers U.) has selected five of his papers published between 1971 and 1976, and another five published between 1982 and 2000. He has added accounts of how they were written, and short postscripts to bring readers up to date or at least point them to more recent work on the issues discussed. Annotation (c)2003 Book News, Inc., Portland, OR (booknews.com).
