Gebraucht, aber gut erhalten. - Preface - Members of the Review Committee - 1 Introduction - History of Reactor Safety Study Comparison With Previous Studies Nuclear Controversy - Time For Decision UCS Review of RSS Working Papers - 2 RSS Methodology - Summary - Fault Tree Analysis - Completeness of Accident Mode Identification - RSS Concept of Accident Sequences - The Simulation of Reliability Estimates - Data Base - Recommendations - 3 Common-Cause Failures Summary - Common-Cause Failure Definition - Common-Mode Failures - Common-Event Failures - Anticipated Transient Without Scram (ATWS) - Recommendations - 4 Design Adequacy - Summary - Design Deficiencies and Generic Problems - Emergency Core Cooling System - Reactor Pressure Vessel Rupture - Overpressurization as a Source of Cold Rupture - Recommendations - 5 Safety Issues Not Considered in RSS - Summary Aging Containment of Electrical Penetration Seals RSS Treatment of Earthquake Risk Sabotage Recommendations - 6 Radiation Dispersion Model - Summary - Consequences of Radiation Releases - Core Inventory Release Fractions - Venting - Plume Model - Recommendations - 7 Emergency Response Plans - Summary - RSS Evacuation Model - RSS Evacuation Model Differs with NRC Regulatory Practices - Impact of Population Growth - Emergency Planning Responsibilities Splintered - Recommendations - 8 Radiological Effects of an Accident - Summary - Early Fatalities - Early Illnesses - Damage in Utero - Late Somatic Effects: Cancer Fatalities - Late Somatic Effects: Thyroid Nodules and Cancer - RSS Presentation Misleading - Mitigation of Long-Term Radiation Exposure - Decontamination Costs - Strontium-90 Releases and Water - Recommendations - 9 Misinformation and Misuse Summary Misinformation - Need for Peer Review - Consequence Model Changes from Draft to Final RSS - Uncertainty Vanishes in RSS Summary - RSS Not Usable for Policy Decisions - Further Implications of the RSS - Recommendations - 10 Reassessment of Risk - Summary - Probability of Radioactive Release - Prompt Consequences of Accidents - Correction of Prompt Risk of Nuclear Accidents Long-Term Consequences of Accidents Average Consequences of a Reactor Accident Economic Costs and Other Damage The Nuclear Risk Recommendations - 11 Summary and Conclusions The RSS Program Summary of Findings UCS Recommendations - Appendix A - A History of Federal Nuclear Safety Assessments: From WASH-740 through the Reactor Safety Study - Appendix B - Accident Experiences - Introduction Summary - Extracts from Reactor Operating Experiences (ROE) Common-Mode Failures at an Oak Ridge Research Reactor Partial Blowdown Accidents Accident at Turkey Point Unit 3 Browns Ferry Fire - A Near Miss - Appendix Cl - A Review of the Wechsler Report Appendix C2 - Reactor Pressure Vessel Failure - Appendix D - Earthquake Hazards at the Diablo Canyon Nuclear Generating Station - Appendix E - Examples of RSS Data Base Inadequacies. - The safety of commercial nuclear power plants is a subject of paramount national importance in light of proposals for increasing dependence on this energy source in coming decades to help alleviate U.S. energy problems. If the most ambitious of these nuclear plant construction programs were carried out, as many as 1000 large nuclear power plants would be in operation around the country by the year 2000, placing virtually the entire population in close proximity to one or more of these facilities. Even today, with 63 nuclear plants in operation, major metropolitan areas-including New York, Boston, Miami and Chicago-as well as other regions are already exposed to whatever risk may be associated with nuclear reactors of current design. A typical nuclear reactor contains a very large inventory of biologically harmful radioactive materials whose possible inadvertent release into the surrounding region is the source of all fundamental nuclear safety concerns. A number of steps have been taken by plant designers and operators to assure that these potentially ultrahazardous materials remain securely confined so as to prevent nuclear radiation injury both to plant workers and to the public at large. Whether these steps are adequate to provide assured protection against the wide range of possible contingencies is a matter upon which informed technical opinion divides. Assessing the safety of nuclear power plants is thus an immensely important matter but one that involves formidable technical difficulties. A single nuclear power plant is an exceedingly complex piece of machinery whose safe operation is contingent on the proper functioning of its large number of constituent parts. Among the basic elements whose collective performance determines the overall safety of the typical plant are: thirty to forty thousand nuclear fuel rods filled with millions of pellets of uranium fuel; the nuclear reactor "boiler," a massive steel pressure vessel, other pressure vessels and miles of piping, structures and superstructures; a vast array of systems and subsystems run by an intricate electrical control and instrumentation system; several networks of cooling devices. Essential nuclear plant features also include an immense assortment of valves, pumps, motors, relays, switches, gauges, shock absorbers, air ejectors, ductwork, conduits, electrical cables, switchboards, electrical buses, tanks, firewalls, diesel generators, seals, drains, vents, hatches, penetrations, channels, bulkheads, inverters, resistors, condensers, transformers, fuses, nuts, bolts and welds. All such systems, structures and components are potential sources of failures and malfunctions. Problems can arise from many sources: design, manufacturing, installation and construction defects; testing, operational and maintenance errors; explosions and fires; excessive corrosion, vibration, stress, water hammer effects, heating, cooling and radiation damage occurring during normal operation and other, sometimes unexpected or belatedly recognized, physical phenomena; deterioration due to component aging; and externally initiated events such as floods, earthquakes, tornados, tidal waves or sabotage. The stupendous number of possible malfunctions that have to be analyzed in any comprehensive study of nuclear safety is only a part of the challenge. What further complicates nuclear safety assessments is the subtlety and variety of events that can arise when one malfunction combines with, leads to, or induces other malfunctions and creates accident circumstances requiring the emergency operation of one or more of the plant`s often elaborate safety systems. (We must assume, of course, that we are dealing with a contingency for which the designers had the foresight to provide appropriate safety equipment. There are even more serious problems if there are unforeseen contingencies against which no protection is provided.) The safety systems themselves may or may not function as intended; the accident may be terminated safely or may develop into an uncontrollable radiation release. All experience with complex systems teaches us that major accidents may have humble beginnings: a moment of inattention or carelessness by an operator; failure of some small, seemingly inconsequential component; an elementary design deficiency overlooked despite studies and reviews. The nuclear program itself has had a substantial number of surprises in which supposedly "fail-safe" equipment failed, in which bizarre failure modes disrupted the operation of systems thought to be highly reliable, in which, to take the most celebrated case, a single worker with a candle started an electrical cable fire that rendered inoperable all of the basic safety equipment for one of the Browns Ferry nuclear reactors, leaving the plant perilously out of control for several hours. For a technical proof of nuclear safety to be convincing, it must overwhelm the inevitable doubts about whether it has left unrecognized some subtle hidden flaws that, without warning, could help launch a giant nuclear reactor into the throes of an uncontrollable accident. Various official studies have been carried out to determine the degree of safety of nuclear plants of the types being operated and constructed in the U.S. These studies were organized, funded and directed by the U.S. Atomic Energy Commission (AEC). Selected results from some of these studies have been released by the AEC; legal action brought against the AEC under the Freedom of Information Act has led to additional disclosures. (Vorwort)
Schlagworte: Nuclear Power Reactor, Atomkraft, Atomenergie, Reaktorsicherheit, Reactor Safety Study, USA, Kernenergie, Atomreaktor, Strom

Zustand: Gut, IX, 131 pp. 19 figs., 1 tab. Reihe: Current Topics in Microbiology and Immunology , Band 259 About this book: Investigation of nuclear export has become a major research focus in cell biology. In particular, analysis of nucleocytoplasmic transport of viral RNAs lead already to the identification of multiple cellular proteins that participate in various nuclear export pathways. Moreover, increased research on viral RNA export is expected to result in the identification of novel drug targets for the therapy of virus-induced diseases. This volume of CTMI provides a timely overview to the mechanisms and factors that mediate nuclear export of viral RNAs. It also covers the structure of nuclear pore complexes and experimental approaches to investigate nuclear export. Written for scientists in the fields virology, cell biology, molecular biology ISBN 3540412786
Schlagworte: Herpes virus; nuclear export; nucleocytoplasmic transport; viral regulatory proteins; viral Trans-Activation

Zustand: Gut, XV, 381 pp. 182 figs., in 320 parts, 64 tabs. About this book: The various patterns of accumulation of radiotracers are related to specific pathophysiologic changes. This volume takes this principle as a starting point. The book, the first of its kind, provides a new approach to understanding diagnostic and therapeutic nuclear medicine by linking the pathophysiologic changes of relevant disease processes to scintigraphy. This permits more accurate identification of various imaging patterns with more meaningful interpretation. Through the use of illustrations, charts and tables, this link is presented simply and clearly. The book is intended not only for nuclear physicians and technologists, but also for the referring physicians, who will understand the effective utilization of nuclear medicine and its impact on patient management. Written for physicians of Nuclear Medicine, radiologists, oncologists. ISBN 3540659145
Schlagworte: Nuclear medicine; Nuklearmedizin; Pathologie; Pathophysiologie; Szintgraphie; imaging; pathophysiology; raiotracers; Scintigraphy

New.The fourth edition of Clinical Nuclear Medicine incorporates the rapid and dramatic changes that have occurred in the field within the last 10 years--particularly the continued growth in clinical applications for PET and other aspects of molecular imaging--so that the book reflects modern practice. With its problem-oriented clinical approach, the book presents relevant topics of current importance to the practicing clinician, rather than providing a comprehensive review of all technical and basic science aspects. An initial section covers the broad principles and scope of important areas that are considered to have impacted more significantly on current and future clinical practice since the last edition. The second section covers all the clinical systems where nuclear medicine helps current clinical practice, while a third section covers a number of relevant technical topics.
Schlagworte: Clinical medicine, nuclear medicine

Einband gering berieben; innen sauber; gutes Exemplar. AUS DEM INHALT: Scalers; Gamma-Ray Spectrometers; Count Rate Meters; Portables; Counting Systems; Detectors; Lead Shielding; Personnel Protection; Radiochemicals-Standards-Sources; Nuclear Education; Timers-Recorders; Equipment for Sample Preparation and Counting; Electronic Accessories; Miscellaneous Equipment.
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