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Author: Patricia Burke Wood
Publisher: UBC Press
ISBN: 0774866349
Category : Social Science
Languages : en
Pages : 309
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Book Description
The so-called land question dominates political discourse in British Columbia. Unstable Properties reverses the usual approach – investigating Aboriginal claims to Crown land – to reframe the issue as a history of Crown attempts to solidify claims to Indigenous territory. From the historical-geographic processes through which the BC polity became entrenched in its present territory to key events of the twenty-first century, the authors highlight the unstable ideological foundation of land and title arrangements. In the process, they demonstrate that only by understanding diverse interpretations of sovereignty, governance, territory, and property can we move toward meaningful reconciliation.
Author: Patricia Burke Wood
Publisher: UBC Press
ISBN: 0774866349
Category : Social Science
Languages : en
Pages : 309
Get Book Here
Book Description
The so-called land question dominates political discourse in British Columbia. Unstable Properties reverses the usual approach – investigating Aboriginal claims to Crown land – to reframe the issue as a history of Crown attempts to solidify claims to Indigenous territory. From the historical-geographic processes through which the BC polity became entrenched in its present territory to key events of the twenty-first century, the authors highlight the unstable ideological foundation of land and title arrangements. In the process, they demonstrate that only by understanding diverse interpretations of sovereignty, governance, territory, and property can we move toward meaningful reconciliation.
Author: Auro Michele Perego
Publisher: CRC Press
ISBN: 1003805922
Category : Science
Languages : en
Pages : 140
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Book Description
Unstable Nature is a popular science book offering a journey through the concept of instability in modern science with a focus on physics. Conceived for the curious reader wishing to go deeper in the fascinating and not yet popularised world of instabilities, it provides an immersion into paradoxical and unexpected phenomena - some of which hides in plain sight in our daily lives. The book is written without technical jargon, and new concepts and terminology needed for the narrative are introduced gradually based on examples taken from accessible everyday life. The chapters are connected through a path that starts from exploring instabilities at the planetary scale and then passes through a description of unstable dynamics in macroscopic settings such as in human mechanical artifacts, fluid waves, animal skin, vegetation structures, and chemical reactions, finally reaching the sub atomic scale and the biological processes of human thought. Before concluding with some general philosophical remarks, a modern landscape about the possibility of seeing instabilities not only as a detrimental effect but as resources to be harnessed for technology is explored. The book is enriched by a variety of professional anecdotes stemming from the direct research experience of the author. It features numerous connections of scientific concepts presented with other branches of the human experience and knowledge including philosophy, engineering, history of science, biology, chemistry, mathematics and computer science, poetry, and meditation. Key Features: Presents an exciting introduction to the topic, which is accessible to those without a scientific background Explores milestone discoveries in the history of the concept of instability in physics Contains anecdotes of key figures from the field, including James C. Maxwell, Alan Turing, Vladimir Zakharov, Edward Lorenz, Enrico Fermi, and Mary Tsingou
Author: H.D. Mustafa
Publisher: Springer
ISBN: 8132226321
Category : Psychology
Languages : en
Pages : 83
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Book Description
This book provides a new direction in electronics research with the invention of a new material tuPOY, which changes our perception of developing electronics. Evolving on a relatively underplayed phenomenon of static electricity in scientific exploration and application, tuPOY upholds the potential to rival both silicon and metals as electronics of the future. Devices made of tuPOY present a new emblem to the technological world, where we could envision our electronic paraphernalia from a completely different perspective. A computer the size of a big wall, which could be neatly folded and kept in our pockets when not in use and laundered on a regular basis, can be imagined possible with this invention. The concept, manufacturing process, physics and uses of tuPOY as the next generation material of electronics is described in this book. The book covers the production process of tuPOY and goes on to conceptual advancement from manipulating the sensing, radiating and processing properties of tuPOY. Theoretical modelling of tuPOY is characterized by steady-state equations exploiting interchanges based on the lattice kinetics, which mathematizes an Interchange Phenomenon in tuPOY. The numerical manifestations calibrate mathematically, tuPOY’s response to any external physical impetus such as charge, heat or energy flow. The book validates the sensing properties and theoretical model by designing a tuPOY sensor which can be used in a plethora of applications. A novel microstrip antenna is designed by amalgamation of tuPOY, raw silk and polynylon composites to experimentally verify the radiation properties of the new material. The conduction properties are verified by drawing fibres of tuPOY and using them as wires and connectors in electronics. A Power Generating Unit (PGU) is designed with tuPOY as its primary element. This is a first of its kind PGU that scavenges power from thermal energy presenting a new dimension in operational power dynamics. Overall this book should be of interest to a wide range of readers ranging from researchers, scientists, developers, manufacturers, engineers, graduate students and anyone who has satiety to think differently.
Author:
Publisher:
ISBN:
Category : Chemical industry
Languages : en
Pages : 816
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Book Description
Author: M. R. Kundu
Publisher: Springer Science & Business Media
ISBN: 9400965206
Category : Science
Languages : en
Pages : 550
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Book Description
Proceedings of Symposium No. 107 held in College Park, Maryland, U.S.A., August 8-11, 1983
Author:
Publisher:
ISBN:
Category : Mining engineering
Languages : en
Pages : 586
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Book Description
Author: H. W. Munday
Publisher:
ISBN:
Category : Mining engineering
Languages : en
Pages : 616
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Book Description
Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 788
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Book Description
Author: Ratnanabha Sain
Publisher: Stanford University
ISBN:
Category :
Languages : en
Pages : 224
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Book Description
This dissertation describes numerical experiments quantifying the influence of pore-scale heterogeneities and their evolution on macroscopic elastic, electrical and transport properties of porous media. We design, implement and test a computational recipe to construct granular packs and consolidated microstructures replicating geological processes and to estimate the link between process-to-property trends. This computational recipe includes five constructors: a Granular Dynamics (GD) simulation, an Event Driven Molecular Dynamics (EDMD) simulation and three computational diagenetic schemes; and four property estimators based on GD for elastic, finite-elements (FE) for elastic and electrical conductivity, and Lattice-Boltzmann method (LBM) for flow property simulations. Our implementation of GD simulation is capable of constructing realistic, frictional, jammed sphere packs under isotropic and uniaxial stress states. The link between microstructural properties in these packs, like porosity and coordination number (average number of contacts per grain), and stress states (due to compaction) is non-unique and depends on assemblage process and inter-granular friction. Stable jammed packs having similar internal stress and coordination number (CN) can exist at a range of porosities (38-42%) based on how fast they are assembled or compressed. Similarly, lower inter-grain friction during assemblage creates packs with higher coordination number and lower porosity at the same stress. Further, the heterogeneities in coordination number, spatial arrangement of contacts, the contact forces and internal stresses evolve with compaction non-linearly. These pore-scale heterogeneities impact effective elastic moduli, calculated by using infinitesimal perturbation method. Simulated stress-strain relationships and pressure-dependent elastic moduli for random granular packs show excellent match with laboratory experiments, unlike theoretical models based on Effective Medium Theory (EMT). We elaborately discuss the reasons why Effective Medium Theory (EMT) fails to correctly predict pressure-dependent elastic moduli, stress-strain relationships and stress-ratios (in uniaxial compaction) of granular packs or unconsolidated sediments. We specifically show that the unrealistic assumption of homogeneity in disordered packs and subsequent use of continuum elasticity-based homogeneous strain theory creates non-physical packs, which is why EMT fails. In the absence of a rigorous theory which can quantitatively account for heterogeneity in random granular packs, we propose relaxation corrections to amend EMT elastic moduli predictions. These pressure-dependent and compaction-dependent (isotropic or uniaxial) correction factors are rigorously estimated using GD simulation without non-physical approximations. Further, these correction factors heuristically represent the pressure-dependent heterogeneity and are also applicable for amending predictions of theoretical cementation models, which are conventionally used for granular packs. For predicting stress-ratios in uniaxial compaction scenario, we show the inappropriateness of linear elasticity-based equations, which use elastic constants only and do not account for dissipative losses like grain sliding. We further implement and test a computational recipe to construct consolidated microstructures based on different geological scenarios, like sorting, compaction, cementation types and cement materials. Our diagenetic trends of elastic, electrical and transport properties show excellent match with laboratory experiments on core plugs. This shows the feasibility of implementing a full-scale computational-rock-physics-based laboratory to construct and estimate properties based on geological processes. However, the elastic property estimator (FE simulation) shows limitations of finite resolution while computing elastic properties of unconsolidated sediments and fluid-saturated microstructures.
Author: Ronald E Mickens
Publisher: World Scientific
ISBN: 9814479861
Category : Mathematics
Languages : en
Pages : 665
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Book Description
This volume provides a concise introduction to the methodology of nonstandard finite difference (NSFD) schemes construction and shows how they can be applied to the numerical integration of differential equations occurring in the natural, biomedical, and engineering sciences. These methods had their genesis in the work of Mickens in the 1990's and are now beginning to be widely studied and applied by other researchers. The importance of the book derives from its clear and direct explanation of NSFD in the introductory chapter along with a broad discussion of the future directions needed to advance the topic.
