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The biota of the earth is being altered at an unprecedented rate. We are witnessing wholesale exchanges of organisms among geographic areas that were once totally biologically isolated. We are seeing massive changes in landscape use that are creating even more abundant succes sional patches, reductions in population sizes, and in the worst cases, losses of species. There are many reasons for concern about these trends. One is that we unfortunately do not know in detail the conse quences of these massive alterations in terms of how the biosphere as a whole operates or even, for that matter, the functioning of localized ecosystems. We do know that the biosphere interacts strongly with the atmo...
In the nineteenth century the great cities underwent the most conspicuous transformation. The beauties and the dark side of urban existence soon came to be one of the central issues in contemporary literature and art. In The Reality of the Unreal, the works of four great English writers of the time are analyzed, with the focus on their representation of the city. Through the concrete image of London and Paris around the turn of the century as well as through the metaphorical role of the city as a concept, this booka new volume in the Philosophiae Doctores seriesprovides differing views about the age, as seen by H. G. Wells, George Gissing, Joseph Conrad, and Henry James. The books analysis arrives at the complex image of civilization at the end of the nineteenth century.
This collection of essays explores the character and quality of the Holocaust’s impact and the abiding legacy it has left for social theory. The premise which informs the contributions is that, ten years after its publication, Zygmunt Bauman’s claim that social theory has either failed to address the Holocaust or protected itself from its implications remains true.
This Volume covers the formation of carbon-carbon single-, double- and triple bonds by substitution and addition reactions as well as by various rearrangements. The formation of carbon-carbon multiple bonds by elimination and condensation procedures is fully documented. In addition the synthesis of carbon-hydrogen bonds principally by substitution and addition reactions is featured as is the preparation of a wide variety of carbon-centred anions, cations and radicals.
Winner of a 2008 Hugo Award, this new paperback takes readers on spectacular tour of the language created by science fiction. From "Stargate" to "Force Field," this dictionary opens a fascinating window into an entire genre, through the words invented by science fiction's most talented writers, critics, and fans. Each entry includes numerous citations of the word's usage, from the earliest known appearance forward. Drawn not only from science fiction novels and stories, citations also come from fanzines, screenplays, comics, songs, and the Internet.
Various subcortical structures in the brain are thought to be important in genesis or propagation of seizures. Deep Brain Stimulation (DBS) of these structures aims to influence these key “pacemaker” areas in the brain and is gaining increasing interest as a possible new surgical modality for treatment of patients with intractable epilepsy. Based on this background, this volume brings together the experience of the Zurich Epilepsy Surgery Center with stereotactic recordings and stimulations of various subcortical nuclei, with special reference to the Forel H fields, the thalamic nuclei and the periaqueductal gray matter. This volume also addresses the important issues of DC recording/polarisation and of biochemical measurement of excitatory and inhibitory transmitters released in the primary epileptogenic area during epileptic discharges. This book is destined to improve understanding of the involvement of subcortical structures in seizure genesis or propagation in a time when exhaustive invasive presurgical evaluation is diminishing because of the today’s availability of modern non-invasive imaging technique.
Reviews of Environmental Contamination and Toxicology provides detailed review articles concerned with aspects of chemical contaminants, including pesticides, in the total environment with toxicological considerations and consequences.
The rapidly growing human population has increased the dependence on fossil fuel based agrochemicals such as fertilizers and pesticides to produce the required agricultural and forestry products. This has exerted a great pressure on the non renewable fossil fuel resources, which cannot last indefinitely. Besides, indiscriminate use ofpesticides for pests (weeds, insects, nematodes, pathogens) control has resulted in serious ecological and environmental problems viz. , (A) Increasing incidence of resistance in pest organisms to important pesticides. (B) Shift in pests population, particulary in weeds and insects. In weeds, species that are more closely related to the crops they infest have de...
This book reflects debates and results which have developed since the introduction of an international system of classifications in epileptology. The creation of such a system was initiated, in the sixties, mainly for practical reasons: growing international exchange had revealed that divergence of terminology in epilepsy had become important enough to prove a serious obstacle to sensible discussions. The Bethel-Cleveland symposia, which was at the origin of this book, aim to bring the excellence of advanced inter-disciplinary and controversial workshops to a larger public. The book concentrates on a selection of topics where progress has been made, where controversies are open or where discussion needs to be stimulated.
Atoms and molecules in all states of matter are subject to continuous irregular movement. This process, referred to as diffusion, is among the most general and basic phenomena in nature and determines the performance of many technological processes. This book provides an introduction to the fascinating world of diffusion in microporous solids. Jointly written by three well-known researchers in this field, it presents a coherent treatise, rather than a compilation of separate review articles, covering the theoretical fundamentals, molecular modeling, experimental observation and technical applications. Based on the book Diffusion in Zeolites and other Microporous Solids, originally published in 1992, it illustrates the remarkable speed with which this field has developed since that time. Specific topics include: new families of nanoporous materials, micro-imaging and single-particle tracking, direct monitoring of transient profiles by interference microscopy, single-file diffusion and new approaches to molecular modeling.