الصفحة 19
الصفحة 19
Disordered Materials : An Introduction
This self-contained text introduces the physics of structurally disordered condensed systems at the level of advanced undergraduate and graduate students. Among the topics are the geometry and symmetries of the structural units used as building blocks of extended structures, the various kinds of disorder, the phenomenology and the main theories of the glass transition, the structure of amorphous systems and the techniques to investigate it, the evolution of system's structure with its size (clusters) and the presence of orientational order in the absence of translational order (quasicrystals). In the second edition, the treatment of the mode coupling theory of the glass transition has been enlarged and connects now to a new section on collective excitations in disordered systems. Special attention has been devoted to nanometer-sized disordered systems, with emphasis on cluster-assembled materials. Questions of what governs the occurrence and stability of quasicrystals, the features of the amorphous to quasicrystal transformation and its reverse transition are discussed. The conditions leading to nano-quasicrystalline phases of technological interest are examined. Throughout the text relevant recent experimental and theoretical results are discussed so as to give readers insight into the currently most vibrant research topics.
Discrete-time Markov jump linear systems
Safety critical and high-integrity systems, such as industrial plants and economic systems, can be subject to abrupt changes - for instance, due to component or interconnection failure, sudden environment changes, etc. Combining probability and operator theory, Discrete-Time Markov Jump Linear Systems provides a unified and rigorous treatment of recent results for the control theory of discrete jump linear systems, which are used in these areas of application. The book is designed for experts in linear systems with Markov jump parameters, but is also of interest for specialists in stochastic control since it presents stochastic control problems for which an explicit solution is possible - making the book suitable for course use.
Discontinuous Galerkin Methods for Viscous Incompressible Flow
Guido Kanschat reviews several discontinuous Galerkin schemes for elliptic and viscous flow problems. Setting out from Nitsche's method for weak boundary conditions, he studies the interior penalty and LDG methods. Combined with a stable advection discretization, they yield stable DG methods for linear flow problems of Stokes and Oseen type which are applied to the Navier-Stokes problem. The author not only presents the analytical techniques used to study these methods but also devotes a major discussion to the efficient numerical solution of discrete problems.
Direct and indirect resin composite veneers
Re-establishing a patient’s lost dental asthetic appearance is one of the most important topics for contemporary dentistry.New treatment materials and methods have been coming on the scene, day by day, in order to achieve such an aim. Most dentists prefer more conservative and aesthetic approaches. Laminate veneers are restorations which are envisioned to correct existing abnormalities, esthetic deficiencies and discolorations. Laminate veneer restorations may be processed in two different ways: direct or indirect. Direct resin composite veneers are one of the most commonly used restorations in the treatment of poor esthetics in anterior teeth presenting unsatisfactory colour and shape, defective restorations, slight misalignment and fractures.
Diophantine Approximation : Festschrift for Wolfgang Schmidt
This volume contains 22 research and survey papers on recent developments in the field of diophantine approximation. The first article by Hans Peter Schlickewei is devoted to the scientific work of Wolfgang Schmidt. Further contributions deal with the subspace theorem and its applications to diophantine equations and to the study of linear recurring sequences. The articles are either in the spirit of more classical diophantine analysis or of geometric or combinatorial flavor. In particular, estimates for the number of solutions of diophantine equations as well as results concerning congruences and polynomials are established. Furthermore, the volume contains transcendence results for special functions and contributions to metric diophantine approximation and to discrepancy theory.
Digital Transformation in Norwegian Enterprises
Presents a number of case studies on digital transformation in Norway, one of the fore-runners in the digital progress index established by the European Commission in 2020. They explore the process of adoption, diffusion and value generation from digital technologies, and how the use of different digital solutions has enabled Norwegian enterprises to digitally transform their operations and business models.
Digital Kenya : An Entrepreneurial Revolution in the Making
Presenting rigorous and original research, this volume offers key insights into the historical, cultural, social, economic and political forces at play in the creation of world-class ICT innovations in Kenya. Following the arrival of fiber-optic cables in 2009, Digital Kenya examines why the initial entrepreneurial spirit and digital revolution has begun to falter despite support from motivated entrepreneurs, international investors, policy experts and others. Written by engaged scholars and professionals in the field, the book offers 15 eye-opening chapters and 14 one-on-one conversations with entrepreneurs and investors to ask why establishing ICT start-ups on a continental and global scale remains a challenge on the “Silicon Savannah
Digital Government : E-Government Research, Case Studies, and Implementation
New information technologies are being applied swiftly to all levels of government service: local, county, regional and even national and international. Information technology (IT) is being used to improve data management and data sharing, planning and decision support, service delivery, and more. Application areas affected by government mandates to improve e-government service include healthcare and safety; law enforcement, security, and justice; education; land use; and many others. Information technology is being used to increase public access to information, to provide more convenient and timely transaction services, and to increase citizen participation in the establishment of government regulations and other processes. DIGITAL GOVERNMENT: E-Government Research, Case Studies, and Implementation provides the field with a definitive, interdisciplinary, and understandable review of recent IT and related research of particular importance to digital government. The book also includes explorations of current and future policy implications, and case studies of successful applications in a variety of government settings.
Digital Control of Electrical Drives
Digital Control of Electrical Drives offers insight into electric drives and their usage in motion control environment. It provides links among electrical machine and control theory, practical hardware aspects, programming issues, and application-specific problems. The book prepares the reader to understand the key elements of motion control systems, analyze and design discrete-time speed and position controllers, set adjustable feedback parameters, and evaluate closed-loop performances. Basic engineering principles are used to derive the controller structure in an intuitive manner, so that designs are easy to comprehend, modify, and extend.
Differential Models : An Introduction with Mathcad
Differential equations are often used in mathematical models for technological processes or devices. However, the design of a differential mathematical model is crucial and difficult in engineering.
Differential Information Economies
One of the main problems in current economic theory is to write contracts which are Pareto optimal, incentive compatible, and also implementable as a perfect Bayesian equilibrium of a dynamic, noncooperative game. The question arises whether it is possible to provide Walrasian type or cooperative equilibrium concepts which have these properties. This volume contains original contributions on noncooperative and cooperative equilibrium notions in economies with differential information and provides answers to the above questions. Moreover, issues of stability, learning and continuity of alternative equilibria are also examined.
Dictionary of Minor Planet Names : Addendum to Fifth ed. : 2003 - 2005
The Dictionary of Minor Planet Names, fifth Edition, is the official reference for the field of the IAU, which serves as the internationally recognised authority for assigning designations to celestial bodies and any surface features on them. The accelerating rate of the discovery of minor planets has made this Addendum to this established compendium necessary. It covers all newly published names from the period 2003-2005 as well as corrections and amendments to earlier editions.
Device Applications of Nonlinear Dynamics
This edited book is devoted specifically to the applications of complex nonlinear dynamic phenomena to real systems and device applications. While in the past decades there has been significant progress in the theory of nonlinear phenomena under an assortment of system boundary conditions and preparations, there exist comparatively few devices that actually take this rich behavior into account. "Device Applications of Nonlinear Dynamics" applies and exploits this knowledge to make devices which operate more efficiently and cheaply, while affording the promise of much better performance. Given the current explosion of ideas in areas as diverse as molecular motors, nonlinear filtering theory, noise-enhanced propagation, stochastic resonance and networked systems, the time is right to integrate the progress of complex systems research into real devices.
Developing Services for the Wireless Internet
This book is for developers of wireless Internet services. It addresses the technical issues that can get in the way of the production of a successful service: variability of terminals, unstable technology, incomplete testing environment, variable bandwidth and quality of service. Useful techniques and methods when handing these issues are proposed using two case studies: a mobile game and a mobile trading service.
Developing Organogel of CoEnzyme Q10
Coenzyme Q10 is a small lipophilic molecule composed of a benzoquinone ring and a hydrophobic isoprenoid tail and is present in all cell membranes. It is also an antioxidant. It plays a substantial role in energy production by acting as a mobile electron carrier in the electron transport chain. It has poor intestinal absorption and is prepared in topical forms. Organogel is a non-crystalline, non-glassy thermoreversible (thermoplastic) solid material and viscoelastic system can be regarded as a semi-solid preparation which has an immobilized external apolar phase, it is compatible with high molecular weight ingredients. The objective of present work is to prepare new dosage form with studying of different factors and conditions affecting preparation. Materials and methods: stearic acid and Flaxseed oil organogel was prepared by three methods and confirmed by quality assessment methods including: transparency, structure analysis, inverted tube test, kinetic of organogalation and stability test.
Developing burn ointment using seasam oil, tea tree oil, and,shea butter
The objective of our research project is to develop a burn healing ointment (Meburn) and to compare it with a well-known ointment, MEBO®. The second formula shows very good accelerated stability test results, its histology test was very promising, its ability to accelerate blood vessel formation in heat burns is significant, and, the rats that have been treated with (Meburn and Mebo®) started to get back to their normal weight after 2 weeks in approximate results. Results obtained from our study using rats as an animal model, showed that our proposed ointment (Meburn) has burn healing efficacy similar to Mebo® ointment.
Designing a world-class architecture firm : The people, stories, and strategies behind HOK
Offers exclusive insights into the revolutionary strategies behind one of the top ten largest architecture firms in the world. Written with dashes of memoir by the former CEO, Patrick MacLeamy, this book offers practicing architecture professionals in small to mid-sized firms and other design professionals such as interior designers and urban planners with detailed guidance for reinvigorating company culture, establishing financial metrics, attracting and retaining talent, diversifying services and firm expansion. This book is flavored with dozens of quirky stories from MacLeamy's time at the helm of HOK, and while it is not a design book - MacLeamy offers insights into many of HOK's most iconic projects, including: Smithsonian National Air and Space Museum in Washington, D.C., Oriole Park at Camden Yards in Baltimore, MD, and more
Designers' guide to EN 1990 Eurocode : Basis of structural design
EN 1990: Basis of Structural Design is considered the primary document in the Eurocode suite and establishes for the structural Eurocodes the principles and requirements for safety and serviceability of structures. More importantly, EN 1990 must be applied whenever the Eurocodes 1 to 9 are used.
Design of Systems on a Chip : Design and Test
Design of Systems on a Chip: Design&Test is the second of two volumes addressing the design challenges associated with new generations of the semiconductor technology. The various chapters are the compilations of tutorials presented at workshops in the recent years by prominent authors from all over the world. Technology, productivity and quality are the main aspects under consideration to establish the major requirements for the design and test of upcoming systems on a chip. In particular this second book include contributions on three different, but complementary axes: core design, computer-aided design tools and test methods. A collection of chapters deal with the heterogeneity aspect of core designs, showing the diversity of parts that may share the same substrate in a state-of-the-art system on a chip.
Design of Integrally-Attached Timber Plate Structures
Outlines a new design methodology for digitally fabricated spatial timber plate structures, presented with examples from recent construction projects. It proposes an innovative and sustainable design methodology, algorithmic geometry processing, structural optimization, and digital fabrication; technology transfer and construction are formulated and widely discussed. The methodology relies on integral mechanical attachment whereby the connection between timber plates is established solely through geometric manipulation, without additional connectors, such as nails, screws, dowels, adhesives, or welding.
