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Books > Science & Mathematics > Chemistry > Physical chemistry > Nuclear chemistry, photochemistry & radiation
Rotational Structure in Molecular Infrared Spectra, Second Edition, fills the gap between these complex topics and the most elementary methods in the field of rotational structure in the infrared spectra of gaseous molecules. Combining foundational theoretical information with advanced applications, this book is a useful guide for all those involved in the application of molecular spectroscopic techniques and the interpretation of vibration-rotation spectra. Interpreting vibration-rotation spectra is an important skill in many scientific disciplines, ranging from nanochemistry to planetary research, hence this book is an ideal resource.
In the early nineteenth century chemists knew of the existence of ninety-two chemical elements, from Hydrogen to Uranium. For nearly forty years scientists thought they knew the content of our planet and all of its contents. In the late 1930s the world of chemical science began to discover elements beyond Uranium - the 'transuranics'. These new, super-heavy elements are probably not found in nature at all but can be detected, if only for a few fractions of a second, in precisely designed experiments using powerful nuclear tools. On Beyond Uranium: Journey to the End of the Periodic Table is full of exciting new concepts and tells the story of the author's quest to discover elements never before known to man.
This volume details the theories, mechanisms, technologies and trends for solving qualitative and quantitative problems in diverse areas of analytical research - emphasizing physicochemical principles. It focuses on deriving simpler and more extensive chemiluminescence (CL) detectors reflecting miniaturization trends, including narrow-bone and capillary liquid chromatography versus high-performance liquid chromatography and miniaturized high-performance thin-layer chromatography. It also covers the sensitivity, selectivity, wide detection range and versatility of CL-based methodologies.
A consideration of the development of photochemical systems with functions as optical sensors or switches, discussing materials and chemical systems, technology, and applications for target molecules and optical signal multiplexing. It contains novel applications in electrogenerated chemiluminescence and supramolecular photophysics for sensing chemical and biological analytes.
The authors expound on non-traditional phenomena for transfer theory, which are nevertheless of considerable interest in wave measurements, and bring the advances of transfer theory as close as possible to the practical needs of those working in all areas of wave physics. The book opens with a historical overview of the topic, then moves on to examine the phenomenological theory of radiative transport, blending traditional theory with original ideas. The transport equation is derived from first principles, and the ensuing discussion of the diffraction content of the transport equation and non-classical radiometry is illustrated by practical examples from various fields of physics. Popular techniques of solving the transport equation are discussed, paying particular attention to wave physics and computing the coherence function. The book also examines various problems which are no longer covered by the traditional radiative transfer theory, such as enhanced backscattering and weak localization phenomena, nonlinear transport problems and kinetic equations for waves. This monograph bridges the gap between the simple power balance description in radiative transfer theory and modern coherence theory. It will be of interest to researchers and professionals working across a wide range of fields from optics, acoustics and radar theory to astrophysics, radioastronomy and remote sensing, as well as to students in these areas.
This handbook presents the most current information on the effects of ionizing radiation on mammalian cells, with emphasis on human tissues. The dose-effect relationship is emphasized in a quantitative manner. The book contains up-to-date data on the late effects of low levels of radiation on humans. It also provides some of the late consequences of radiation therapy detected among cancer survivors.
Prompt gamma activation analysis (PGAA) is a unique, non-destructive nuclear analytical method with multi-element capabilities. It is most effective if intense neutron beams (especially cold beams) of nuclear reactors are used to induce the prompt gamma radiation. Based largely on the authors' pioneering research in cold neutron PGAA, the handbook describes the methodology in self-contained manner and reviews recent applications. The library of prompt gamma ray data and spectra for all natural elements, also provided on a CD-ROM supplement, is a unique aid to the practitioner. The level is understandable by a broad audience, which facilitates teaching and training. The Handbook of Prompt Gamma Activation Analysis is a comprehensive handbook written for those practising the method, wanting to implement it at a reactor facility, or just looking for a powerful non-destructive method of element analysis. The book is also useful for nuclear physics, chemistry and engineering scientists, scholars and graduate students interested in neutron-induced gamma ray spectroscopy and nuclear analytical methods.
Includes proceedings of the Third EEC Workshop on Photochemical, Photoelectrochemical and Photobiological Research and Development, London, 18-21 April 1989.
More than ever before, radiation is a part of our modern daily lives. We own radiation-emitting phones, regularly get diagnostic x-rays, such as mammograms, and submit to full-body security scans at airports. We worry and debate about the proliferation of nuclear weapons and the safety of nuclear power plants. But how much do we really know about radiation? And what are its actual dangers? An accessible blend of narrative history and science, Strange Glow describes mankind's extraordinary, thorny relationship with radiation, including the hard-won lessons of how radiation helps and harms our health. Timothy Jorgensen explores how our knowledge of and experiences with radiation in the last century can lead us to smarter personal decisions about radiation exposures today. Jorgensen introduces key figures in the story of radiation--from Wilhelm Roentgen, the discoverer of x-rays, and pioneering radioactivity researchers Marie and Pierre Curie, to Thomas Edison and the victims of the recent Fukushima Daiichi nuclear power plant accident. Tracing the most important events in the evolution of radiation, Jorgensen explains exactly what radiation is, how it produces certain health consequences, and how we can protect ourselves from harm. He also considers a range of practical scenarios such as the risks of radon in our basements, radiation levels in the fish we eat, questions about cell-phone use, and radiation's link to cancer. Jorgensen empowers us to make informed choices while offering a clearer understanding of broader societal issues. Investigating radiation's benefits and risks, Strange Glow takes a remarkable look at how, for better or worse, radiation has transformed our society.
The use of radiopharmaceuticals is an important tool not only for management of diseases and dysfunctions, but also for better understanding human diseases and developing effective treatment options, such as in the case of neurology. In this context, there is concern of continuous, impressive progress in nuclear medicine which is linked to the development of new radiopharmaceuticals and efficient production of relevant radioisotopes. These proceedings highlight the main findings and developments discussed during the International Symposium on Trends in Radiopharmaceuticals. They cover the key issues and advances in the field of radiopharmaceuticals from development, production, and use of diagnostic, therapeutic, and theranostic radioisotopes and radiopharmaceuticals, as well as regulatory and licensing issues related to their production. Additional topics addressed were education, certification and training methodologies. A supplementary file contains the detailed programme of the symposium and the abstracts of all oral and poster presentations.
ADRIANO DE MAIO IReR President This publication originated from the workshop on "Control and risk prevention of dangerous materials and crisis management" that took place in Sofia, Bulgaria, in March 2009. The basic idea is that international scientific cooperation can effectively contribute to security, stability and solidarity among nations, through increased collaboration, networking and capacity-building and supporting democratic growth and economic development in Partner Countries. We are all facing new needs and threats, deriving from a world changing constantly its social, political and economic dimension and, for this reason, the international dialogue through civil science represents a way forward to comm- ment to global common issues. In fact, the Lombardy Regional Institute for Research has developed some international activities aiming at establishing networks of scientists and experts in defined areas and subjects. Through one of these activities, the Institute entered in touch with the Science for Peace and Security Programme. In this framework, we decided to share the experience of Lombardy Region on transportation of dangerous materials (half of their total transport in Italy): research and studies in civil area conducted in Lombardy Region are considered the most innovative in Europe for the results obtained. Comparison with diverse international experiences is a great opportunity of implementing present results and applying them to different applications (from civil to anti-terrorism) and extending them to countries other than Italy.
The "Journal of the American Chemical Society" says this reference provides "a wealth of information on frontier photochemistry" and "could easily serve as a definitive source of background information for future researchers." This volume features critical evaluations written by recognized experts and covers cutting-edge advances. Challenging and provocative, the articles set the pace for progress and innovation in photochemistry.
The United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) established by the General Assembly in 1955 assesses the levels and effects of exposure to ionizing radiation on human health and the environment. This is the first of four volumes of scientific annexes that presents the supporting scientific deliberations for the UNSCEAR 2020/2021 report to the United Nations General Assembly. Annex A "Medical exposure to ionizing radiation" presents a comprehensive global estimate of the frequencies and doses from medical exposure, their distribution and trends in medical categories in the 2009-2018 period. The annex considers four general categories of medical practice using ionizing radiation: (a) diagnostic radiology, including dental radiology and computed tomography, (b) interventional radiology (image-guided interventional procedures), (c) nuclear medicine and (d) radiation therapy.
Addressing critical aspects of computational modeling in photochemistry, Molecular Methods in Photochemistry is designed to familiarize researchers and practitioners with state-of-the-art computational methods to predict the reactivity of excited molecules. It provides practical guidelines and examples for the modeling of excited states and describes some of the latest approaches in the computational modeling of photochemistry in solutions and constrained media. Presents research from experts in the top tiers of computational chemistry and photochemistry including chapters by recognized specialists such as Howard Zimmerman, Josef Michl, Matthew Platz, Nina Gritsan, Weston Borden, Mike Robb, Michael Bearpark, Maccimo Olivucci, Martin Klessinger, Frank Weinhold, Todd Martinez, and others. While the issue of excited states is discussed in specialized computational series, these books address issues of organic photochemistry sparsely. There has been, until now, no volume specifically devoted to the computational methods in photochemistry with an emphasis on organic photochemistry.
Dynamic Spin Chemistry Edited by Saburo Nagakura, Hisaharu Hayashi and Tohru Azumi Because of increasing concerns over the effects of electromagnetic radiation on the human body, it has become essential to understand how chemical and biological reactions are affected by magnetic fields. Dynamic Spin Chemistry focuses on theoretical and experimental research showing the great influence on the dynamic behavior of molecules due to external magnetic fields, such as magnetic quenching of gaseous fluorescence, effects on chemical reaction rates and chemically induced dynamic nuclear and electron polarization. This book discusses both the theoretical and experimental foundations of dynamic spin chemistry, as well as its future trends. After the introductory chapter, the next three chapters discuss magnetic field effects and magnetic isotope effects on chemical reactions in solution and on the dynamic behavior of excited molecules in the gas phase. Subsequent chapters deal with the effects on chemical equilibria under large fields; spin spectroscopy; chemically induced dynamic electron polarization (CIDEP) studies and reaction yield-detected ESR. This book will be of interest to researchers and graduate students in pure and applied chemistry, physics or biology having an interest in photochemistry, photophysics or photobiology.
The second edition of "The Chemistry of the Superheavy Elements" provides a complete coverage of the chemistry of a series of elements beginning with atomic number 104 - the transactinides or superheavy elements - including their nuclear properties and production in nuclear reactions at heavy-ion accelerators. The contributors to this work include many renowned scientists who, during the last decades, have made vast contributions towards understanding the physics and chemistry of these elusive elements, both experimentally and theoretically. The main emphasis here is on demonstrating the fascinating studies involved in probing the architecture of the Periodic Table at its uppermost end, where relativistic effects drastically influence chemical properties. All known chemical properties of these elements are described together with the experimental techniques applied to study these short-lived man-made elements one atom-at-a-time. The status of theoretical chemistry and of empirical models is presented as well as aspects of nuclear physics. In addition, one chapter outlines the meanderings in this field from a historical perspective and the search for superheavy elements in Nature.
Amit Agarwal’s thesis reports a substantial contribution to the microscopic simulation of radiation chemical reactions. In his research Agarwal extends existing models to further understand scavenging, spin and relaxation effects. This research has advanced the development of both the Monte Carlo Random Flights and the Independent Reaction Times (IRT) simulation tools. Particular highlights are the extension of these tools to include both the spin-exchange interaction and spin relaxation, both of which are influential in radiolytic systems where many reactions are spin-controlled. In addition, the study has led to the discovery of a novel correlation of the scavenging rate with the recombination time in low permittivity solvents. This finding goes against existing assumptions underlying the theory of diffusion kinetics while still being accommodated in the IRT method which demonstrates the power of this unconventional approach. The work in this thesis can be applied to a wide number of fields including the nuclear industry, medicine, food treatment, polymer curing, the preparation of nano-colloids, power generation and waste disposal.
Set against a backdrop of the recent disaster at the Fukushima nuclear power plant, "Hiroshima to Fukushima" examines the issue of radiation safety. The author provides important and accurate scientific information about the radioactive substances arising from nuclear power plants and weapons, including the effects of this radiation on living organisms. Currently, humankind is at a crossroads and must decide whether to phase out or increase its reliance on nuclear power as weapons and an energy source. Although a few countries, mostly European, have vowed to abolish nuclear power as an energy source, many other countries are about to increase their nuclear power programs. This book is written from a Japanese perspective and thus provides an alternative to views of Western writers. The author includes rigorous scientific analyses, however maintains a broad scope, which allows the book to be accessible to decision-makers and non-specialists.
This first volume in the series brings together the latest developments in solid surface photochemistry, providing insights into the most up to date research activities on light-initiated chemical reactions. The book offers a comprehensive study of the photochemical and photophysical properties of molecules on various surfaces like zeolites, metals and metal oxides. Chapter 1 discusses the nature of the photochemical and photophysical reactions occurring on solid surfaces. Subsequent chapters deal with a description of the dynamical aspects of surface photohemistry, a study of the specific nature of photochemistry of molecules included within zeolite cavities and a comprehensive study of the reactivities of photo-generated electron-hole pair states involved in photo-induced and photocatalytic reactions. The book also investigates many possible and actual key applications of solid surface photochemistry, such as molecular photo-devices, photo-chemical vapour deposition of thin layered semiconductors, sensitive optical media and control of photochemical reaction paths as well as efficient photocatalytic reaction processes which will be indispensable for ecologically clean and safe chemical systems. Surface Photochemistry will be of interest to researchers in surface science and also to graduate students interested in catalysis or photo-chemistry. It will be valuable as a reference book for academics in many aspects of materials science.
This book provides comprehensive research findings related to the environmental monitoring of radiation, levels of radioactive nuclides in various environments and dose estimation in residents after the Fukushima nuclear power plant accident caused severe environmental contamination with radioactive nuclides. At the beginning of the book, a technical review written by a leading researcher of nuclear reactor technology explains what happened at the power plant. The review is followed by a commentary from a former member of the International Commission on Radiological Protection, providing the reader with easily understandable information about the concept of radiation dosage. In the main part of the book, a series of scientific reports presents valuable data on the radiation surveys of the environment, environmental radioactivity, transfer models and parameters of radioactive nuclides and dose assessment among residents. These reports present a wide range of findings from the research carried out in a variety of activities by large governmental organizations as well as by small private groups and individuals. The reader thus will find a large collection of valuable and interesting data related to the environmental contamination by radioactive nuclides after the Fukushima accident. Although earlier reports on this issue have been made public, this book is the only publication to fully depict the actual situation by providing comprehensive data obtained by diverse organizations and individuals.
State-of-the-art survey by leading experts in the field. Major foci are superheavy nuclei and neutron-rich exotic nuclei. In addition new developments in nuclear fission and nuclear cluster decay are shown. Finally developments in relativistic heavy ion collisions and the physics of supercritical fields are detailed.
The development of nuclear weapons during the Manhattan Project is one of the most significant scientific events of the twentieth century. This revised and updated 3rd edition explores the challenges that faced the scientists and engineers of the Manhattan Project. It gives a clear introduction to fission weapons at the level of an upper-year undergraduate physics student by examining the details of nuclear reactions, their energy release, analytic and numerical models of the fission process, how critical masses can be estimated, how fissile materials are produced, and what factors complicate bomb design. An extensive list of references and a number of exercises for self-study are included. Links are given to several freely-available spread sheets which users can use to run many of the calculations for themselves.
Written by Glenn T. Seaborg, Nobel Laureate and pre-eminent figure in the field, with the assistance of Walter D. Loveland, it covers all aspects of transuranium elements, including their discovery, chemical properties, nuclear properties, nuclear synthesis reactions, experimental techniques, natural occurrence, superheavy elements, and predictions for the future. Published on the fiftieth anniversary of the discovery of transuranium elements, it conveys the essence of the ideas and distinctive blend of theory and experiment that has marked their study.
With the resurgence of nuclear power around the world, and the increasingly important role of hydrogen as a clean energy carrier, the utilization of nuclear energy for large-scale hydrogen production will have a key role in a sustainable energy future. Co-generation of both electricity and hydrogen from nuclear plants will become increasingly attractive. It enables load leveling together with renewable energy and storage of electricity in the form of hydrogen, when electricity prices and demand are lowest at off-peak hours of nuclear plants, such as overnight. Hydrogen Production from Nuclear Energy provides an overview of the latest developments and methods of nuclear based hydrogen production, including electrolysis and thermochemical cycles. Particular focus is given to thermochemical water splitting by the copper-chlorine and sulphur-based cycles. Cycle configurations, equipment design, modeling and implementation issues are presented and discussed. The book provides the reader with an overview of the key enabling technologies towards the design and industrialization of hydrogen plants that are co-located and linked with nuclear plants in the future. The book includes illustrations of technology developments, tables that summarize key features and results, overviews of recent advances and new methods of nuclear hydrogen production. The latest results from leading authorities in the fields will be presented, including efficiencies, costs, equipment design, and modeling.
Unravelling the Mystery of the Atomic Nucleus is a history of atomic and nuclear physics. It begins in 1896 with the discovery of radioactivity, which leads to the discovery of the nucleus at the center of the atom. It follows the experimental discoveries and the theoretical developments up to the end of the Fifties. Unlike previous books regarding on history of nuclear physics, this book methodically describes how advances in technology enabled physicists to probe the physical properties of nuclei as well as how the physical laws which govern these microscopic systems were progressively discovered. The reader will gain a clear understanding of how theory is inextricably intertwined with the progress of technology. Unravelling the Mystery of the Atomic Nucleus will be of interest to physicists and to historians of physics, as well as those interested development of science. |
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