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Author : 吳致平
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book Development of Real-time Radon Detector and Deployment in Seismic Station in Taiwan written by 吳致平 and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kar-Yee Leung
Publisher : Open Dissertation Press
ISBN 13 : 9781361320006
Total Pages : pages
Book Rating : 4.3/5 (2 download)
Download or read book Development of the Customized Radon Detector and Studies of the Radon Background Onsite for the Daya Bay Reactor Neutrino Experiment written by Kar-Yee Leung and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Development of the Customized Radon Detector and Studies of the Radon Background Onsite for the Daya Bay Reactor Neutrino Experiment" by Kar-yee, Leung, 梁嘉怡, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: The goal of the Daya Bay Reactor Neutrino Experiment is to determine the last unknown neutrino mixing angle θ13, in sin22θ13 to sensitivity better than 0.01 at 90% confidential level in three years of running. In order to reach the goal, background from natural radiation should be controlled less than 50 Hz, accordingly radon, which is a naturally-occurring radioactive gas, is one of the factors need to be monitored. A High-sensitivity and High-reliability Hong Kong (H3) radon monitoring system is developed to support the slow control system of the experiment. It achieves the sensitivity requirement and fulfills the data acquisition specification by using an enlarged sample chamber, an improved electronic and a designed software, in addition to the dehumidifier system for long term use. Four final products of the radon detector were well calibrated and tested before application; the sensitivities of counted progenies Po-218 and Po-214 are 3.65 0.37 x10-2 cpm/Bq-m3 (C.F.is 27.42.7 Bq/m3/cpm) and 3.94 0.40 x10-2 cpm/Bq-m3 (C.F. is 25.42.5 Bq/m3/cpm). Its performance is the highest among the same type of commercial available products. This radon monitoring system has been successfully taking data as the background measurement of the experiment for more than half a year, and will continue to provide useful information for the following several years. From the results, the radon levels in the air in Experimental Halls and in the water of water systems were higher than expected, but still at the acceptable levels. Further works have to be done to control them at preferred levels. DOI: 10.5353/th_b5053415 Subjects: Radon measures
Author : Kar-Yee Leung
Publisher : Open Dissertation Press
ISBN 13 : 9781361320013
Total Pages : pages
Book Rating : 4.3/5 (2 download)
Download or read book Development of the Customized Radon Detector and Studies of the Radon Background Onsite for the Daya Bay Reactor Neutrino Experiment written by Kar-Yee Leung and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Development of the Customized Radon Detector and Studies of the Radon Background Onsite for the Daya Bay Reactor Neutrino Experiment" by Kar-yee, Leung, 梁嘉怡, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: The goal of the Daya Bay Reactor Neutrino Experiment is to determine the last unknown neutrino mixing angle θ13, in sin22θ13 to sensitivity better than 0.01 at 90% confidential level in three years of running. In order to reach the goal, background from natural radiation should be controlled less than 50 Hz, accordingly radon, which is a naturally-occurring radioactive gas, is one of the factors need to be monitored. A High-sensitivity and High-reliability Hong Kong (H3) radon monitoring system is developed to support the slow control system of the experiment. It achieves the sensitivity requirement and fulfills the data acquisition specification by using an enlarged sample chamber, an improved electronic and a designed software, in addition to the dehumidifier system for long term use. Four final products of the radon detector were well calibrated and tested before application; the sensitivities of counted progenies Po-218 and Po-214 are 3.65 0.37 x10-2 cpm/Bq-m3 (C.F.is 27.42.7 Bq/m3/cpm) and 3.94 0.40 x10-2 cpm/Bq-m3 (C.F. is 25.42.5 Bq/m3/cpm). Its performance is the highest among the same type of commercial available products. This radon monitoring system has been successfully taking data as the background measurement of the experiment for more than half a year, and will continue to provide useful information for the following several years. From the results, the radon levels in the air in Experimental Halls and in the water of water systems were higher than expected, but still at the acceptable levels. Further works have to be done to control them at preferred levels. DOI: 10.5353/th_b5053415 Subjects: Radon measures
Author : Michael Beer
Publisher : Springer
ISBN 13 : 9783642353437
Total Pages : 3953 pages
Book Rating : 4.3/5 (534 download)
Download or read book Encyclopedia of Earthquake Engineering written by Michael Beer and published by Springer. This book was released on 2016-01-30 with total page 3953 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Earthquake Engineering is designed to be the authoritative and comprehensive reference covering all major aspects of the science of earthquake engineering, specifically focusing on the interaction between earthquakes and infrastructure. The encyclopedia comprises approximately 300 contributions. Since earthquake engineering deals with the interaction between earthquake disturbances and the built infrastructure, the emphasis is on basic design processes important to both non-specialists and engineers so that readers become suitably well informed without needing to deal with the details of specialist understanding. The encyclopedia’s content provides technically-inclined and informed readers about the ways in which earthquakes can affect our infrastructure and how engineers would go about designing against, mitigating and remediating these effects. The coverage ranges from buildings, foundations, underground construction, lifelines and bridges, roads, embankments and slopes. The encyclopedia also aims to provide cross-disciplinary and cross-domain information to domain-experts. This is the first single reference encyclopedia of this breadth and scope that brings together the science, engineering and technological aspects of earthquakes and structures.
Author : Paolo Gasparini
Publisher : Springer Science & Business Media
ISBN 13 : 3540722416
Total Pages : 363 pages
Book Rating : 4.5/5 (47 download)
Download or read book Earthquake Early Warning Systems written by Paolo Gasparini and published by Springer Science & Business Media. This book was released on 2007-08-10 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides information on the major EEW systems in operation and on the state-of-the-art of the different blocks forming an EW system: the rapid detection and estimation of the earthquake’s focal parameters, the signal transmission, the engineering interface and the information reliability/false alarm problem. It is the first time that so many aspects of EEW systems have been specifically focused upon within a single book.
Author : Yuan-yu Hsieh
Publisher : Prentice Hall
ISBN 13 :
Total Pages : 464 pages
Book Rating : 4.3/5 (91 download)
Download or read book Elementary Theory of Structures written by Yuan-yu Hsieh and published by Prentice Hall. This book was released on 1970 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas L. Davis
Publisher : Cambridge University Press
ISBN 13 : 1107137497
Total Pages : 391 pages
Book Rating : 4.1/5 (71 download)
Download or read book Geophysics and Geosequestration written by Thomas L. Davis and published by Cambridge University Press. This book was released on 2019-05-09 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview of the geophysical techniques and analysis methods for monitoring subsurface carbon dioxide storage for researchers and industry practitioners.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309137535
Total Pages : 296 pages
Book Rating : 4.3/5 (91 download)
Download or read book Tsunami Warning and Preparedness written by National Research Council and published by National Academies Press. This book was released on 2011-04-01 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many coastal areas of the United States are at risk for tsunamis. After the catastrophic 2004 tsunami in the Indian Ocean, legislation was passed to expand U.S. tsunami warning capabilities. Since then, the nation has made progress in several related areas on both the federal and state levels. At the federal level, NOAA has improved the ability to detect and forecast tsunamis by expanding the sensor network. Other federal and state activities to increase tsunami safety include: improvements to tsunami hazard and evacuation maps for many coastal communities; vulnerability assessments of some coastal populations in several states; and new efforts to increase public awareness of the hazard and how to respond. Tsunami Warning and Preparedness explores the advances made in tsunami detection and preparedness, and identifies the challenges that still remain. The book describes areas of research and development that would improve tsunami education, preparation, and detection, especially with tsunamis that arrive less than an hour after the triggering event. It asserts that seamless coordination between the two Tsunami Warning Centers and clear communications to local officials and the public could create a timely and effective response to coastal communities facing a pending tsuanami. According to Tsunami Warning and Preparedness, minimizing future losses to the nation from tsunamis requires persistent progress across the broad spectrum of efforts including: risk assessment, public education, government coordination, detection and forecasting, and warning-center operations. The book also suggests designing effective interagency exercises, using professional emergency-management standards to prepare communities, and prioritizing funding based on tsunami risk.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (723 download)
Download or read book Extreme Environmental Events written by and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Masashi Hayakawa
Publisher : John Wiley & Sons
ISBN 13 : 1118770161
Total Pages : 304 pages
Book Rating : 4.1/5 (187 download)
Download or read book Earthquake Prediction with Radio Techniques written by Masashi Hayakawa and published by John Wiley & Sons. This book was released on 2016-03-07 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: The latest achievements of earthquake prediction via radio communication systems, by the world's leading authority Prof. Hayakawa is one of the world leaders in the field of seismo-electromagnetics for EQ prediction and this area of research is still evolving Presents the fundamentals of radio communications and radio propagation, using the radio noises and propagation anomalies as a precursor of earthquakes Considers the combination of different kinds of seismogenic electromagnetic signals of both natural and artificial character Timely topic following the recent sequence of highly destructive earthquakes around the world
Author : Sergey Pulinets
Publisher : Springer Science & Business Media
ISBN 13 : 354026468X
Total Pages : 323 pages
Book Rating : 4.5/5 (42 download)
Download or read book Ionospheric Precursors of Earthquakes written by Sergey Pulinets and published by Springer Science & Business Media. This book was released on 2005-08-15 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using the kind permission given to me by my co-author, this short preface will be written in my name. I want to devote this book to San Juan city in Argentina. It is not only due to the fact that the city was twice completely destroyed after the devastating ear- quakes in 1941 and 1977, but also because my stay there completely changed my life. Changes included changing my career from the field of space plasma physics to Earth sciences and geophysics, and changes in my personal life giving me h- piness and compliance in my present family. Going back to the subject of the book, it should be noted that the history of the question asked by the book is very complicated and intricate. Starting in the 1930s from the observation of seismogenic electric fields, the area of seismo-ionospheric coupling became an area of fighting and conflicts, hopes and frustrations. Spe- lation and misunderstanding on the interdisciplinary borders made this field for many years (even up to now) taboo for so-called "serious scientists". But due to the courageous efforts of several groups in Russia and the former USSR states such as Kazakhstan and Uzbekistan, Japan, later France and Taiwan, Greece and Italy the situation started to improve.
Author :
Publisher :
ISBN 13 :
Total Pages : 632 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993-09 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Friedemann Wenzel
Publisher : Springer Science & Business Media
ISBN 13 : 3642122337
Total Pages : 382 pages
Book Rating : 4.6/5 (421 download)
Download or read book Early Warning for Geological Disasters written by Friedemann Wenzel and published by Springer Science & Business Media. This book was released on 2013-08-13 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past years have seen new technologies that could be utilized for early warning and real-time loss estimation. They include self-organizing sensor networks, new satellite imagery with high resolution, multi-sensor observational capacities, and crowd sourcing. From this and improved physical models, data processing and communication methodologies a significant step towards better early warning technologies has been achieved by research. At the same time, early warning systems became part of the disaster management practice for instance in Japan and Indonesia. This book marks the important point where: Research activities continue to improve early warning Experience with applications is expanding At this critical point in development of early warning for geological disasters it is timely to provide a volume that documents the state-of-the-art, provides an overview on recent developments and serves as knowledge resource for researcher and practitioners.
Author : United States. National Energy Policy Development Group
Publisher : Group Publishing (Company)
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (327 download)
Download or read book Reliable, Affordable, and Environmentally Sound Energy for America's Future written by United States. National Energy Policy Development Group and published by Group Publishing (Company). This book was released on 2001 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR)
Publisher : United Nations
ISBN 13 : 9210600029
Total Pages : 512 pages
Book Rating : 4.2/5 (16 download)
Download or read book Sources, Effects and Risks of Ionizing Radiation, United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) 2016 Report written by United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) and published by United Nations. This book was released on 2017-04-25 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report assesses the levels and effects of exposure to ionizing radiation. Scientific findings underpin radiation risk evaluation and international protection standards. This report comprises a report with two underpinning scientific annexes. The first annex recapitulates and clarifies the philosophy of science as well as the scientific knowledge for attributing observed health effects in individuals and populations to radiation exposure, and distinguishes between that and inferring risk to individuals and populations from an exposure. The second annex reviews the latest thinking and approaches to quantifying the uncertainties in assessments of risk from radiation exposure, and illustrates these approaches with application to examples that are highly pertinent to radiation protection.
Author : Yu Jeffrey Gu
Publisher : Springer
ISBN 13 : 9789048136797
Total Pages : 0 pages
Book Rating : 4.1/5 (367 download)
Download or read book Arrays and Array Methods in Global Seismology written by Yu Jeffrey Gu and published by Springer. This book was released on 2010-02-04 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, the increased availability and fidelity of broadband seismic instruments have effectively narrowed the gap between exploration and global seismic applications. Global seismologists are now able to take advantage of high-resolution, often exploration-based, tools to examine rock properties tens to hundreds of kilometers below surface. This book reviews the key assumptions, algorithms and prospects of several important array-based methods in today’s global and regional seismic surveys. A short list of topics includes data migration, PP and SS precursors, Radon transform, mantle triplication, P-to-S and S-to-P converted waves, shear-wave splitting, high-resolution seismic tomography, and ambient-noise interferometry. Each approach is presented in a ‘cookbook’ fashion for easy comparison, implementation and critique by the general readership.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309103061
Total Pages : 405 pages
Book Rating : 4.3/5 (91 download)
Download or read book Drinking Water Distribution Systems written by National Research Council and published by National Academies Press. This book was released on 2007-01-22 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protecting and maintaining water distributions systems is crucial to ensuring high quality drinking water. Distribution systems-consisting of pipes, pumps, valves, storage tanks, reservoirs, meters, fittings, and other hydraulic appurtenances-carry drinking water from a centralized treatment plant or well supplies to consumers' taps. Spanning almost 1 million miles in the United States, distribution systems represent the vast majority of physical infrastructure for water supplies, and thus constitute the primary management challenge from both an operational and public health standpoint. Recent data on waterborne disease outbreaks suggest that distribution systems remain a source of contamination that has yet to be fully addressed. This report evaluates approaches for risk characterization and recent data, and it identifies a variety of strategies that could be considered to reduce the risks posed by water-quality deteriorating events in distribution systems. Particular attention is given to backflow events via cross connections, the potential for contamination of the distribution system during construction and repair activities, maintenance of storage facilities, and the role of premise plumbing in public health risk. The report also identifies advances in detection, monitoring and modeling, analytical methods, and research and development opportunities that will enable the water supply industry to further reduce risks associated with drinking water distribution systems.
