Wsp Wytwarzanie Wiedzy O Technologii Gaz Upkowy Jako Wyzwanie Dla Zbiorowo Ci
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Tribology Issues And Opportunities In Mems
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Author : Bharat Bhushan
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Tribology Issues And Opportunities In Mems written by Bharat Bhushan 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 2012-12-06 with Science categories.
Micro Electro Mechanical Systems (MEMS) is already about a billion dollars a year industry and is growing rapidly. So far major emphasis has been placed on the fabrication processes for various devices. There are serious issues related to tribology, mechanics, surfacechemistry and materials science in the operationand manufacturingof many MEMS devices and these issues are preventing an even faster commercialization. Very little is understood about tribology and mechanical properties on micro- to nanoscales of the materials used in the construction of MEMS devices. The MEMS community needs to be exposed to the state-of-the-artoftribology and vice versa. Fundamental understanding of friction/stiction, wear and the role of surface contamination and environmental debris in micro devices is required. There are significantadhesion, friction and wear issues in manufacturing and actual use, facing the MEMS industry. Very little is understood about the tribology of bulk silicon and polysilicon films used in the construction ofthese microdevices. These issues are based on surface phenomenaand cannotbe scaled down linearly and these become increasingly important with the small size of the devices. Continuum theory breaks down in the analyses, e. g. in fluid flow of micro-scale devices. Mechanical properties ofpolysilicon and other films are not well characterized. Roughness optimization can help in tribological improvements. Monolayers of lubricants and other materials need to be developed for ultra-low friction and near zero wear. Hard coatings and ion implantation techniques hold promise.
Measurement
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Author : Charles West Churchman
language : en
Publisher:
Release Date : 1959
Measurement written by Charles West Churchman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Science categories.
Pt. I. Some meanings of measurement. -- pt. II. Some theories of measurement. -- pt. III. Some problems in the physical sciences. -- pt. IV. Some problems in the social sciences.
Grave New World
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Author : Michael E. Brown
language : en
Publisher: Georgetown University Press
Release Date : 2003-07-29
Grave New World written by Michael E. Brown and has been published by Georgetown University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-07-29 with Political Science categories.
The optimism that arrived at the end of the cold war and marked the turn of the Millennium was shattered by September 11. In the aftermath of that event it is not unwarranted pessimism that lines the pages of Grave New World, it is unavoidable reality. Terrorism is but one aspect of many other wider concerns for national and international security, and the contributors to this volume not only warn us, but reward us as well with the clarity of their views into—and possible solutions for—a difficult, complicated future. They speak convincingly of the numerous military and non-military challenges that create security problems—whether those are interstate, intrastate, or transnational—many of which are being dangerously overlooked in public policy debates. The challenges and complexities might seem insurmountable but the first step in solving problems is recognizing that they exist. Grave New World provides an eye-opening assessment of the prospects for peace and security in the 21st century. Michael E. Brown frames these issues in his Introduction, "Security Challenges in the 21st Century;" and in his summation, "Security Problems and Security Policy in a Grave New World."
Security And Development
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Author : John-Andrew McNeish
language : en
Publisher: Berghahn Books
Release Date : 2010-11-01
Security And Development written by John-Andrew McNeish and has been published by Berghahn Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-01 with Social Science categories.
Since 9/11 ideas of security have focused in part on the development of ungovernable spaces. Important debates are now being had over the nature, impacts, and outcomes of the numerous policy statements made by northern governments, NGOs, and international institutions that view the merging of security with development as both unproblematic and progressive. This volume addresses this new security–development nexus and investigates internal institutional logics, as well as the operation of policy, its dangers, resistances and complicity with other local and national social processes. Drawing on detailed ethnography, the contributors offer new vantage points to understand the workings of multiple, intersecting, and conflicting power structures, which whilst local, are tied to non-local systems and operate across time. This volume is a necessary critique and extension of key themes integral to the security– development nexus debate, highlighting the importance of a situated and substantive understanding of human security.
Applied Regression Analysis
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Author :
language : en
Publisher:
Release Date : 2013
Applied Regression Analysis written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Analysis of variance categories.
Value Migration
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Author : Adrian J. Slywotzky
language : en
Publisher: Harvard Business Press
Release Date : 1996
Value Migration written by Adrian J. Slywotzky and has been published by Harvard Business Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Business & Economics categories.
Argues that successful new companies are taking on established businesses by developing superior business designs, and argues that the key is anticipating customer priorities
Making The Move To K 12 Online Teaching
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Author : Kerry Rice
language : en
Publisher: Allyn & Bacon
Release Date : 2012
Making The Move To K 12 Online Teaching written by Kerry Rice and has been published by Allyn & Bacon this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Computer-assisted instruction categories.
Written specifically for K-12 teachers, this book covers all aspects of online education. Unique in its focus on K-12 learning, this book shows educators how to transform their teaching as they move from traditional face-to-face classrooms to online settings. Taking into account what teachers know about effective traditional classrooms, Kerry Rice guides the reader step by step through the change showing how familiar concepts, such as setting the tone, building community, course design, lesson planning and assessment, must be re-examined in the context of the online classroom. With the simple premise that teachers need practical information to move beyond traditional practices, it provides an overview of the key principles of effective online instruction, emphasizes the power of the learner-centered approach, and discusses the technology tools that make online delivery and design possible. Filled with checklists, guidelines, vignettes and sample lessons, the book guides educators throu.
Sample Preparation For Trace Element Analysis
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Author : Zoltan Mester
language : en
Publisher: Elsevier
Release Date : 2003-12-16
Sample Preparation For Trace Element Analysis written by Zoltan Mester and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-12-16 with Science categories.
Following the collection of a sample, every analytical chemist will agree that its subsequent preservation and processing are of paramount importance. The availability of high performance analytical instrumentation has not diminished this need for careful selection of appropriate pretreatment methodologies, intelligently designed to synergistically elicit optimum function from these powerful measurement tools. Sample Preparation for Trace Element Analysis is a modern, comprehensive treatise, providing an account of the state-of-the art on the subject matter. The book has been conceived and designed to satisfy the varied needs of the practicing analytical chemist. It is a multi-author work, reflecting the diverse expertise arising from its highly qualified contributors. The first five chapters deal with general issues related to the determination of trace metals in varied matrices, such as sampling, contamination control, reference materials, calibration and detection techniques. The second part of the book deals with extraction and sampling technologies (totaling 15 chapters), providing theoretical and practical hints for the users on how to perform specific extractions. Subsequent chapters overview seven major representative matrices and the sample preparation involved in their characterization. This portion of the book is heavily based on the preceding chapters dealing with extraction technologies. The last ten chapters are dedicated to sample preparation for trace element speciation. - First title to provide comprehensive sample preparation information, dealing specifically with the analysis of samples for trace elements. - The 39 chapters are authored by international leaders of their fields.
Goliath S Legacy
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Author : Łukasz Niesiołowski-Spanò
language : en
Publisher: Harrassowitz
Release Date : 2016
Goliath S Legacy written by Łukasz Niesiołowski-Spanò and has been published by Harrassowitz this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Bible categories.
In the 12th century BCE revolutionary changes and major population movements took place in the eastern Mediterranean. One element of this complex process was the appearance of the warlike Sea Peoples on the coast of the Middle East. Among the groups that we know of the most important seem to be Philistines. It is no accident that the name of the region - Palestine - comes precisely from this ethnonym. The book examines the impact of the Sea Peoples, especially the Philistines, on the local population, and on the Hebrews in particular. To determine the chronological sequence, the first part presents the biblical narrative in a synthetic way, and thus the Philistines' role in the history of Israel and Judah. These considerations complement the study of geography, in which toponyms are discussed to establish a range of the Philistines' impact. Concerning the likely duration of an impact of the Philistines on the Hebrews, two periods were suggested: the early Iron Age (ca. 1150-900 BCE) and the domination of Assyria (ca. 750-650 BCE). The second part of the book discusses the culture of the Hebrews, known from the Bible, which may have its roots in the Philistines' heritage. These phenomena are divided into thematic groups. The impact of the Philistines on the Hebrews was much larger than previously thought, and it was not connected only with Judah's and Israel's response to the presence of a hostile neighbor. Several components of Hebrew culture and some literary motifs in the Bible seem to derive specifically from the Philistines' culture.
Advances In Atomic Spectroscopy
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Author : J. Sneddon
language : en
Publisher: Elsevier
Release Date : 1995-06-14
Advances In Atomic Spectroscopy written by J. Sneddon and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-06-14 with Science categories.
This series describes selected advances in the area of atomic spectroscopy. It is promarily intended for the reader who has a background in atmoic spectroscopy; suitable to the novice and expert. Although a widely used and accepted method for metal and non-metal analysis in a variety of complex samples, Advances in Atomic Spectroscopy covers a wide range of materials. Each Chapter will completely cover an area of atomic spectroscopy where rapid development has occurred.