Data centers consume roughly 1% of the total electricity demand, while ICT as a whole consumes around 10%. Demand is growing exponentially and, left unchecked, will grow to an estimated increase of 20% or more by 2030. This book covers the energy consumption and minimization of the different data center components when running real workloads, taking into account the types of instructions executed by the servers. It presents the different air- and liquid-cooled technologies for servers and data centers with some real examples, including waste heat reuse through adsorption chillers, as well as the hardware and software used to measure, model and control energy. It computes and compares the Power Usage Effectiveness and the Total Cost of Ownership of new and existing data centers with different cooling designs, including free cooling and waste heat reuse leading to the Energy Reuse Effectiveness. The book concludes by demonstrating how a well-designed data center reusing waste heat to produce chilled water can reduce energy consumption by roughly 50%, and how renewable energy can be used to create net-zero energy data centers.
“Oceans and Society: Blue Planet” (www.oceansandsociety.org) is a global initiative bringing together many ocean-observing programmes with a societal benefit focus. It was created in 2011 as a Task within the Work Plan of the Group on Earth Observations (GEO). The Geneva-based GEO is a voluntary partnership of some 90 governments and 77 intergovernmental, international, and regional organisations. It is committed to integrating global observations through strengthened cooperation and coordination among global observing systems and research programmes. Blue Planet held its inaugural Symposium in Ilhabela, Brazil, in November 2012. Participants from some 25 countries, representing a diverse array of international programmes, presented and discussed issues including the coordination of and information access from global ocean observing systems for open ocean, coastal and inland ecosystems; operational ocean forecasting; applications of observations for sustainable fishery and aquaculture; and capacity building. A major outcome of the Symposium was the production of this book. The contributions to the Symposium served as a starting point, and were developed to provide a comprehensive overview of the scope and breadth of the “Oceans and Society: Blue Planet” initiative. Targeted at all stakeholders within the ocean and marine community, this volume discusses current activities and future actions and raises awareness for the further development and implementation of the Blue Planet agenda. Readers will learn more about ocean observations, how they can be integrated, and their applications to benefit society as a whole.
Inhaltsangabe:Abstract: In recent years, more and more people expressed their concerns about some companies performance. Mainly not about their financial performance, but about their social performance. About their attitude towards the environment. About the treatment of employees. Consumers, governments, environmentalists, trade unions, but also managers felt that there is a need for change in business life. This paper investigates two questions: In general, how does the marketing of travel intermediaries change when business is conducted over the internet? In detail, how can travel intermediaries build customer loyalty an the internet? Why do these two issues pose problems that require a thorough analysis? First, the internet provides a new platform for dealing with travel services. Although the internet travel market still represents only a small fraction of the total travel market, many travel intermediaries entered it in anticipation of huge profits. The number of travellers who use the internet to obtain travel services and the money they spend on-line for travel purposes is growing rapidly. But competition and marketing in the on-line travel market is strongly affected by the unique characteristics of the internet. In order to stay in business in the long run, a deeper understanding of the effects of the internet an the travel industry and an the marketing of individual travel firms is necessary. Also, the internet threatens to eliminate intermediaries by linking service providers and customers directly. Therefore, an evaluation of the marketing impacts of the internet is even more vital for travel intermediaries. Second, a key element of every on-line marketing strategy is customer loyalty: Many internet travel intermediaries are able to attract a large number of visitors to their web pages. But most of these internet users are not loyal and visit the web page only once. Since a loyal customer base is essential to generate revenues an the internet, the concept of customer loyalty will be analyzed in the on-line context. The first part of this thesis evaluates the influences of the internet an the marketing of on-line travel intermediaries: Chapter 1 highlights the important characteristics of the internet. These unique features have effects an industries and an individual companies, which are analyzed in Chapter 2. Chapter 3 uses the framework of the previous chapter to demonstrate the impacts of the internet an the travel industry and [...]
In the midst of the increasing antagonism between religion and secularity, the sacred and the profane, faith and reason – currently described in terms of “the clash of civilizations” – is religion any longer relevant or meaningful in the globalizing development of modern subjectivity, inter-subjectivity, family, society, state and history? If so, how and to what end? In the socio-historical context of the highly secular, neo-liberal/neo-conservative globalization movement, the question of the social meaning and relevancy of religion has entered directly into the contemporary discourse on the future of humanity. This book gives expression to the research of international scholars as they wrestled with these issues during the Future of Religion courses held at the Inter-university Center in Dubrovnik, Croatia from 2001-2005. Contributors include: Aleksandra Baša, Reimon Bachika, Aleš Črnič, Anja Finger, Helmut Fritzsche, Denis Janz, Hans-Herbert Kögler, Werner Krieglstein, Mislav Kukoč, Gottfried Küenzlen, Aurelia Margaretić, Michael R. Ott, Dunja Potočnik, A. James Reimer, Kjartan Selnes, Rudolf J. Siebert, Hans K. Weitensteiner, Brian Wilson, Katarzyna Zielinska.
Intelligence and the National Security Strategist: Enduring Issues and Challenges presents students with a useful anthology of published articles from diverse sources as well as original contributions to the study of intelligence. The collection includes classic perspectives from the history of warfare, views on the evolution of U.S. intelligence, and studies on the delicate balance between the need for information-gathering and the values of democratic societies. It also includes succinct discussions of complex issues facing the Intelligence Community, such as the challenges of technical and clandestine collection, the proliferation of open sources, the problems of deception and denial operations, and the interaction between the Intelligence Community and the military. Several timely chapters examine the role of the intelligence analyst in support of the national security policymaker. Rounding out the volume are appendices on the legislative underpinnings of our national intelligence apparatus.
A well-illustrated, systems-based primer on learning radiologic imaging Basic Radiology is the easiest and most effective way for medical students, residents, and clinicians not specializing in radiologic imaging to learn the essentials of diagnostic test selection, application, and interpretation. This trusted guide is unmatched in its ability to teach you how to select and request the most appropriate imaging modality for a patient’s presenting symptoms and familiarize yourself with the most common diseases that current radiologic imaging can best evaluate. Features: More than 800 high-quality images across all modalities A logical organ-system approach Consistent chapter presentation that includes: ---Recap of recent developments in the radiologic imaging of the organ system discussed ---Description of normal anatomy ---Discussion of the most appropriate imaging technique for evaluating that organ system ---Questions and imaging exercises designed to enhance your understanding of key principles Brief list of suggested readings and general references Timely chapter describing the various diagnostic imaging techniques currently available, including conventional radiography, nuclear medicine, ultrasonography, computed tomography, and magnetic resonance imaging An important chapter providing an overview of the physics of radiation and its related biological effects, ultrasound, and magnetic resonance imaging
Michael Organek was born with cerebral palsy to an urban, ethnic, working-class family. He was a witness and, at times, a participant to the extraordinary and turbulent events of the sixties and early seventies. His nonpassive personality put him at odds with the educational system, later with the Federal Civil Service bureaucracy, and his interaction with nondisabled society both personally and professionally. His life’s journey is full of adapting to environments that were, at times, a paradox and diametrically opposed to his core values. He chronicles his mistakes without being apologetic. Perseverance and tenacity were essential qualities for his living a dignified existence.
Statistics is a thought process. In this comprehensive introduction to statistical methods and data analysis, the process is presented utilizing a four-step approach: 1) gathering data, 2) summarizing data, 3) analyzing data, and 4) communicating the results of data analyses.
This book constitutes the proceedings of the 8th International ICST Conference, TridentCom 2012, held in Thessanoliki, Greece, in June 2012. Out of numerous submissions the Program Committee finally selected 51 full papers. These papers cover topics such as future Internet testbeds, wireless testbeds, federated and large scale testbeds, network and resource virtualization, overlay network testbeds, management provisioning and tools for networking research, and experimentally driven research and user experience evaluation.
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