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Author: Roland Smith
Publisher:
ISBN: 9780070084063
Category : Chemistry
Languages : en
Pages : 602
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Book Description
Author: Roland Smith
Publisher:
ISBN: 9780070084063
Category : Chemistry
Languages : en
Pages : 602
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Book Description
Author: Valentin L. Popov
Publisher: Springer
ISBN: 3662587092
Category : Science
Languages : en
Pages : 357
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Book Description
This open access book contains a structured collection of the complete solutions of all essential axisymmetric contact problems. Based on a systematic distinction regarding the type of contact, the regime of friction and the contact geometry, a multitude of technically relevant contact problems from mechanical engineering, the automotive industry and medical engineering are discussed. In addition to contact problems between isotropic elastic and viscoelastic media, contact problems between transversal-isotropic elastic materials and functionally graded materials are addressed, too. The optimization of the latter is a focus of current research especially in the fields of actuator technology and biomechanics. The book takes into account adhesive effects which allow access to contact-mechanical questions about micro- and nano-electromechanical systems. Solutions of the contact problems include both the relationships between the macroscopic force, displacement and contact length, as well as the stress and displacement fields at the surface and, if appropriate, within the half-space medium. Solutions are always obtained with the simplest available method - usually with the method of dimensionality reduction (MDR) or approaches which use the solution of the non-adhesive normal contact problem to solve the respective contact problem.
Author: United States. Congress. House. Select Committee on U.S. National Security and Military/Commercial Concerns with the People's Republic of China
Publisher:
ISBN:
Category : China
Languages : en
Pages : 8
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Book Description
Transmittal letter.
Author: Raja K Sivamani
Publisher: CRC Press
ISBN: 1482214172
Category : Medical
Languages : en
Pages : 460
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Book Description
Cosmeceuticals and Active Cosmetics discusses the science of nearly two dozen cosmeceuticals used today. This third edition provides ample evidence on specific cosmeceutical substances, their classes of use, skin conditions for which they are used, and points of interest arising from other considerations, such as toxicology and manufacturing. The book discusses both cosmetic and therapeutic uses of cosmeceuticals for various conditions including rosacea, dry skin, alopecia, eczema, seborrheic dermatitis, purpura, and vitiligo. Active ingredients in the following products are discussed: caffeine, curcumin, green tea, Rhodiola rosea, milk thistle, and more. Also covered are topical peptides and proteins, amino acids and derivatives, antioxidants, vitamins E and C, niacinamide, botanical extracts, and biomarine actives. Providing ample scientific references, this book is an excellent guide to understanding the science behind the use of cosmeceuticals to treat a variety of dermatological conditions.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309120284
Category : Political Science
Languages : en
Pages : 172
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Book Description
The mission of Department of Homeland Security Bioterrorism Risk Assessment: A Call for Change, the book published in December 2008, is to independently and scientifically review the methodology that led to the 2006 Department of Homeland Security report, Bioterrorism Risk Assessment (BTRA) and provide a foundation for future updates. This book identifies a number of fundamental concerns with the BTRA of 2006, ranging from mathematical and statistical mistakes that have corrupted results, to unnecessarily complicated probability models and models with fidelity far exceeding existing data, to more basic questions about how terrorist behavior should be modeled. Rather than merely criticizing what was done in the BTRA of 2006, this new NRC book consults outside experts and collects a number of proposed alternatives that could improve DHS's ability to assess potential terrorist behavior as a key element of risk-informed decision making, and it explains these alternatives in the specific context of the BTRA and the bioterrorism threat.
Author:
Publisher:
ISBN:
Category : Health risk assessment
Languages : en
Pages : 262
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Book Description
Author: L. A. Galin
Publisher: Springer Science & Business Media
ISBN: 1402090439
Category : Science
Languages : en
Pages : 325
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Book Description
L.A. Galin’s book on contact problems is a remarkable work. Actually there are two books: the first, published in 1953 deals with contact problems in the classical theory of elasticity; this is the one that was translated into English in 1961. The second book, published in 1980, included the first, and then had new sections on contact problems for viscoelastic materials, and rough contact problems; this section has not previously been translated into English. In this new translation, the original text and the mathematical analysis have been completely revised, new material has been added, and the material appearing in the 1980 Russian translation has been completely rewritten. In addition there are three essays by students of Galin, bringing the analysis up to date.
Author: J. Mayo Greenberg
Publisher: Springer Science & Business Media
ISBN: 9401119368
Category : Science
Languages : en
Pages : 429
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Book Description
This volume contains the lectures presented at the second course of the International School of Space Chemistry held in Erice (Sicily) from October 20 - 30 1991 at the "E. Majorana Centre for Scientific Culture". The course was attended by 58 participants from 13 countries. The Chemistry of Life's Origins is well recognized as one of the most critical subjects of modem chemistry. Much progress has been made since the amazingly perceptive contributions by Oparin some 70 years ago when he first outlined a possible series of steps starting from simple molecules to basic building blocks and ultimate assembly into simple organisms capable of replicating, catalysis and evolution to higher organisms. The pioneering experiments of Stanley Miller demonstrated already forty years ago how easy it could have been to form the amino acids which are critical to living organisms. However we have since learned and are still learning a great deal more about the primitive conditions on earth which has led us to a rethinking of where and how the condition for prebiotic chemical processes occurred. We have also learned a great deal more about the molecular basis for life. For instance, the existence of DNA was just discovered forty years ago.
Author: Eduardo Ruiz-Hitzky
Publisher: John Wiley & Sons
ISBN: 3527621458
Category : Science
Languages : en
Pages : 521
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Book Description
This ready reference is the first to collate the interdisciplinary knowledge from materials science, bioengineering and nanotechnology to give an in-depth overview of the topic. As such, it provides broad coverage of combinations between inorganic materials and such key biological structures as proteins, enzymes, DNA, or biopolymers. With its treatment of various application directions, including bioelectronic interfacing, tissue repair, porous membranes, sensors, nanocontainers, and DNA engineering, this is essential reading for materials engineers, medical researchers, catalytic chemists, biologists, and those working in the biotechnological and semiconductor industries.
Author: Denise F. Polit
Publisher:
ISBN: 9781451176803
Category : Medical
Languages : en
Pages : 512
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Book Description
This eighth edition of Essentials of Nursing Research, written by AJN awardwinning authors, along with its accompanying Study Guide for Essentials of Nursing Research, student learning ancillaries, and instructor teaching materials present a unique learningteaching package that is designed to teach students how to read and critique research reports, and to appreciate the application of research findings to nursing practice.New to this edition: New text organization with separate sections on quantitative and qualitative research offer greater continuity of ideas to better meet the needs of students and faculty. New online chapter supplements for every chapter expand student's knowledge of research topics New chapter on mixed methods research, which involves the blending of qualitative and quantitative data in a single inquiry, responds to the surge of interest in this type of research Increased emphasis on evidencebased practice (EBP) especially in the areas of asking wellworded questions for EBP and searching for such evidence guides the reader from theory to application. Enhanced assistance for instructors with numerous suggestions on how to make learning aboutand teachingresearch methods more rewarding.
