alaa el din sayed imam mekkawy and usama mahmoud effect of ultraviolet radiation on catfish embryos

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Samiksha Singh UV-B Radiation. From Environmental Stressor to Regulator of Plant Growth

Ultraviolet-B (UV-B) is electromagnetic radiation coming from the sun, with a medium wavelength which is mostly absorbed by the ozone layer. The biological effects of UV-B are greater than simple heating effects, and many practical applications of UV-B radiation derive from its interactions with organic molecules. It is considered particularly harmful to the environment and living things, but what have scientific studies actually shown? UV-B Radiation: From Environmental Stressor to Regulator of Plant Growth presents a comprehensive overview of the origins, current state, and future horizons of scientific research on ultraviolet-B radiation and its perception in plants. Chapters explore all facets of UV-B research, including the basics of how UV-B's shorter wavelength radiation from the sun reaches the Earth's surface, along with its impact on the environment's biotic components and on human biological systems. Chapters also address the dramatic shift in UV-B research in recent years, reflecting emerging technologies, showing how historic research which focused exclusively on the harmful environmental effects of UV-B radiation has now given way to studies on potential benefits to humans. Topics include: UV-B and its climatology UV-B and terrestrial ecosystems Plant responses to UV-B stress UB- B avoidance mechanisms UV-B and production of secondary metabolites Discovery of UVR8 Timely and important, UV-B Radiation: From Environmental Stressor to Regulator of Plant Growth is an invaluable resource for environmentalists, researchers and students who are into the state-of-the-art research being done on exposure to UV-B radiation.

15367.62 рублей

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Todd Pawlicki Hendee's Radiation Therapy Physics

The publication of this fourth edition, more than ten years on from the publication of Radiation Therapy Physics third edition, provides a comprehensive and valuable update to the educational offerings in this field. Led by a new team of highly esteemed authors, building on Dr Hendee’s tradition, Hendee’s Radiation Therapy Physics offers a succinctly written, fully modernised update. Radiation physics has undergone many changes in the past ten years: intensity-modulated radiation therapy (IMRT) has become a routine method of radiation treatment delivery, digital imaging has replaced film-screen imaging for localization and verification, image-guided radiation therapy (IGRT) is frequently used, in many centers proton therapy has become a viable mode of radiation therapy, new approaches have been introduced to radiation therapy quality assurance and safety that focus more on process analysis rather than specific performance testing, and the explosion in patient-and machine-related data has necessitated an increased awareness of the role of informatics in radiation therapy. As such, this edition reflects the huge advances made over the last ten years. This book: Provides state of the art content throughout Contains four brand new chapters; image-guided therapy, proton radiation therapy, radiation therapy informatics, and quality and safety improvement Fully revised and expanded imaging chapter discusses the increased role of digital imaging and computed tomography (CT) simulation The chapter on quality and safety contains content in support of new residency training requirements Includes problem and answer sets for self-test This edition is essential reading for radiation oncologists in training, students of medical physics, medical dosimetry, and anyone interested in radiation therapy physics, quality, and safety.

11994.57 рублей

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Wolfram Schnabel Polymers and Electromagnetic Radiation. Fundamentals and Practical Applications

This first book to cover the interaction of polymers with radiation from the entire electromagnetic spectrum adopts a multidisciplinary approach to bridge polymer chemistry and physics, photochemistry, photophysics and materials science. The text is equally unique in its scope, devoting equal amounts of attention to the three aspects of synthesis, characterization, and applications. The first part deals with the interaction of polymers with non-ionizing radiation in the frequency-range from sub-terahertz via infrared radiation to visible and ultraviolet light, while the second covers interaction with ionizing radiation from the extreme ultraviolet to ?-ray photons. The result is a systematic overview of how both types of radiation can be used for different polymerization approaches, spectroscopy methods and lithography techniques. Authored by a world-renowned researcher and teacher with over 40 years of experience in the field, this is a highly practical and authoritative guide.

14623.43 рублей

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Humphrey Davies Friendly Fire

The new book from Alaa Al Aswany, author of the international bestsellers The Yacoubian Building and ChicagoFriendly Fire is a novella and collection of short stories from Alaa Al Aswany, author of the bestselling The Yacoubian Building. As in that novel, Al Aswany dissects modern Egyptian society and reveals with skill and detachment the hypocrisy, violence and abuse of power characteristic of a world in moral crisis. Here, though, the focus has shifted from the broad historical canvas to the minute stitches of pain that hold together an individual, a family, a school classroom, or the relationship between a man and a woman. Can a man so alienated from his society that he regards all its members as no better than microbes wriggling under a microscope survive within it? Can cynical religiosity triumph over human decency? Can a man put the thought of a delicious dish of beans behind him long enough to mourn his father's death? Alongside these wry questions, other, less mordant perspectives also have their place: an ageing cabaret dancer bestows the blessing of a vanished world on her lover's son; a crippled boy wins subjective victory from objective disaster. In Friendly Fire, readers will find again the vivid, passionate characters of today's Cairo, clamouring to be heard.Friendly Fire also features an introduction by Alaa Al Aswany giving the history of the novella, 'The Isam Abd el-Ati Papers', which was banned in Egypt for a decade.

712.89 рублей

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Danny Summers Dynamics of the Earth's Radiation Belts and Inner Magnetosphere

Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 199. Dynamics of the Earth's Radiation Belts and Inner Magnetosphere draws together current knowledge of the radiation belts prior to the launch of Radiation Belt Storm Probes (RPSP) and other imminent space missions, making this volume timely and unique. The volume will serve as a useful benchmark at this exciting and pivotal period in radiation belt research in advance of the new discoveries that the RPSP mission will surely bring. Highlights include the following: a review of the current state of the art of radiation belt science; a complete and up-to-date account of the wave-particle interactions that control the dynamical acceleration and loss processes of particles in the Earth's radiation belts and inner magnetosphere; a discussion emphasizing the importance of the cross-energy coupling of the particle populations of the radiation belts, ring current, and plasmasphere in controlling the dynamics of the inner magnetosphere; an outline of the design and operation of future satellite missions whose objectives are to discover the dominant physical processes that control the dynamics of the Earth's radiation belts and to advance our level of understanding of radiation belt dynamics ideally to the point of predictability; and an examination of the current state of knowledge of Earth's radiation belts from past and current spacecraft missions to the inner magnetosphere. Dynamics of the Earth's Radiation Belts and Inner Magnetosphere will be a useful reference work for the specialist researcher, the student, and the general reader. In addition, the volume could be used as a supplementary text in any graduate-level course in space physics in which radiation belt physics is featured.

10423.66 рублей

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James Martin E. Physics for Radiation Protection

A practical guide to the basic physics that radiation protection professionals need A much-needed working resource for health physicists and other radiation protection professionals, this volume presents clear, thorough, up-to-date explanations of the basic physics necessary to address real-world problems in radiation protection. Designed for readers with limited as well as basic science backgrounds, Physics for Radiation Protection emphasizes applied concepts and carefully illustrates all topics through examples as well as practice problems. Physics for Radiation Protection draws substantially on current resource data available for health physics use, providing decay schemes and emission energies for approximately 100 of the most common radionuclides encountered by practitioners. Excerpts of the Chart of the Nuclides, activation cross sections, fission yields, fission-product chains, photon attenuation coefficients, and nuclear masses are also provided. Coverage includes: The atom as an energy system An overview of the major discoveries in radiation physics Extensive discussion of radioactivity, including sources and materials Nuclear interactions and processes of radiation dose Calculational methods for radiation exposure, dose, and shielding Nuclear fission and production of activation and fission products Specialty topics ranging from nuclear criticality and applied statistics to X rays Extensive and current resource data cross-referenced to standard compendiums Extensive appendices and more than 400 figures This complete discussion of the basic concepts allows readers to advance their professional skills.

15632.12 рублей

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Heide Schatten Human Reproduction. Updates and New Horizons

In vitro fertilization (IVF) and other assisted reproductive technologies (ART) have become a significant part of human reproduction, with already one in 50 children worldwide being born through ART and the demand steadily increasing. To accommodate the various kinds of infertility problems, new methods have been developed to increase IVF and ART success rates and it has also become possible to treat sperm, eggs, and embryos in culture to improve reproductive success, to increase the health state of an embryo, and to prevent disease in the developing child. Human Reproduction: Updates and New Horizons focuses on recent developments and new approaches to study egg and sperm cells and embryo development, as well as addressing the increasing demand for IVF and ART to overcome infertility problems of various kinds that are encountered by an increasing number of couples worldwide. The book includes 10 chapters written by experts in their specific fields to provide information on sperm selection techniques and their relevance to ART; In vitro maturation of human oocytes: current practices and future promises; Molecular biology of endometriosis; Novel immunological aspects for the treatment of age-induced ovarian and testicular infertility, other functional diseases, and early and advanced cancer immunotherapy; Mitochondrial manipulation for infertility treatment and disease prevention; Novel imaging techniques to assess gametes and preimplantation embryos; Clinical application of methods to select in vitro fertilized embryos; New horizons/developments in time-lapse morphokinetic analysis of mammalian embryos; The non-human primate model for early human development; Cytoskeletal functions, defects, and dysfunctions affecting human fertilization and embryo development. This book will appeal to a large interdisciplinary audience, including researchers from both the basic science and medical communities. It will be a valuable reference for IVF clinicians, patients and prospective patients who are considering ART procedures, embryologists, cell biologists and students in the field of reproduction.

14997.66 рублей

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J. Mahan Robert The Monte Carlo Ray-Trace Method in Radiation Heat Transfer and Applied Optics

A groundbreaking guide dedicated exclusively to the MCRT method in radiation heat transfer and applied optics The Monte Carlo Ray-Trace Method in Radiation Heat Transfer and Applied Optics offers the most modern and up-to-date approach to radiation heat transfer modelling and performance evaluation of optical instruments. The Monte Carlo ray-trace (MCRT) method is based on the statistically predictable behavior of entities, called rays, which describe the paths followed by energy bundles as they are emitted, reflected, scattered, refracted, diffracted and ultimately absorbed. The author – a noted expert on the subject – covers a wide variety of topics including the mathematics and statistics of ray tracing, the physics of thermal radiation, basic principles of geometrical and physical optics, radiant heat exchange among surfaces and within participating media, and the statistical evaluation of uncertainty of results obtained using the method. The book is a guide to help formulate and solve models that accurately describe the distribution of radiant energy in thermal and optical systems of practical engineering interest. This important guide: Combines radiation heat transfer and applied optics into a single discipline Covers the MCRT method, which has emerged as the dominant tool for radiation heat transfer modelling Helps readers to formulate and solve models that describe the distribution of radiant energy Features pages of color images and a wealth of line drawings Written for faculty and graduate students in mechanical and aerospace engineering and applied optics professionals, The Monte Carlo Ray-Trace Method in Radiation Heat Transfer and Applied Optics is the first book dedicated exclusively to the MCRT method.

13068.9 рублей

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Beckers Benoit Reconciliation of Geometry and Perception in Radiation Physics

Reconciliation of Geometry and Perception in Radiation Physics approaches the topic of projective geometry as it applies to radiation physics and attempts to negate its negative reputation. With an original outlook and transversal approach, the book emphasizes common geometric properties and their potential transposition between domains. After defining both radiation and geometric properties, authors Benoit and Pierre Beckers explain the necessity of reconciling geometry and perception in fields like architectural and urban physics, which are notable for the regularity of their forms and the complexity of their interactions.

7619.64 рублей

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Mohammad Nakhostin Signal Processing for Radiation Detectors

Presents the fundamental concepts of signal processing for all application areas of ionizing radiation This book provides a clear understanding of the principles of signal processing of radiation detectors. It puts great emphasis on the characteristics of pulses from various types of detectors and offers a full overview on the basic concepts required to understand detector signal processing systems and pulse processing techniques. Signal Processing for Radiation Detectors covers all of the important aspects of signal processing, including energy spectroscopy, timing measurements, position-sensing, pulse-shape discrimination, and radiation intensity measurement. The book encompasses a wide range of applications so that readers from different disciplines can benefit from all of the information. In addition, this resource: Describes both analog and digital techniques of signal processing Presents a complete compilation of digital pulse processing algorithms Extrapolates content from more than 700 references covering classic papers as well as those of today Demonstrates concepts with more than 340 original illustrations Signal Processing for Radiation Detectors provides researchers, engineers, and graduate students working in disciplines such as nuclear physics and engineering, environmental and biomedical engineering, and medical physics and radiological science, the knowledge to design their own systems, optimize available systems or to set up new experiments.

10873.3 рублей

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Peter Hoskin Radiation Oncology in Palliative Cancer Care

“This textbook, Radiation Oncology in Palliative Cancer Care, represents the full evolution of radiation therapy, and of oncology in general. ( … ) [It] is an acknowledgment that palliative radiotherapy is now a sub-specialty of radiation oncology. This formally makes palliative radiotherapy a priority within patient care, academic research, quality assurance, and medical education.” – From the Foreword by Nora Janjan, MD, MPSA, MBA, National Center for Policy Analysis, Dallas, TX, USA Palliative Medicine is the professional medical practice of prevention and relief of suffering and the support of the best possible quality of life for patients and their families, regardless of the stage of the disease or the need for other therapies. The most common cause for palliative care referral is terminal cancer, and a large proportion of those referrals include patients who will need palliative radiotherapy during the course of their disease. Still, there are barriers to coordinated care between radiation oncologists and palliative care physicians that differ from one country to another. Until now, one overarching limitation to appropriate concurrent care between the specialties across all countries has been the lack of a comprehensive yet concise reference resource that educates each of the specialties about the potential synergistic effects of their cooperation. This book fills that void. Radiation Oncology in Palliative Cancer Care: Is the first book-length treatment of this important topic available on the market Is authored by world-renowned experts in radiation oncology and palliative medicine Uses a multidisciplinary approach to content and patient treatment Features decision trees for palliative radiotherapy based upon factors such as patient performance status and prognosis Pays careful attention to current best practices and controversies in the delivery of end-of-life cancer care This book is an important resource for practicing radiation oncologists and radiation oncologists in training, as well as hospice and palliative medicine physicians and nurses, medical oncologists, and geriatricians.

11994.57 рублей

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Edward Petersen Single Event Effects in Aerospace

This book introduces the basic concepts necessary to understand Single Event phenomena which could cause random performance errors and catastrophic failures to electronics devices. As miniaturization of electronics components advances, electronics components are more susceptible in the radiation environment. The book includes a discussion of the radiation environments in space and in the atmosphere, radiation rate prediction depending on the orbit to allow electronics engineers to design and select radiation tolerant components and systems, and single event prediction.

12135.41 рублей

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Vijay Thakur Kumar Handbook of Composites from Renewable Materials, Functionalization

The Handbook of Composites From Renewable Materials comprises a set of 8 individual volumes that brings an interdisciplinary perspective to accomplish a more detailed understanding of the interplay between the synthesis, structure, characterization, processing, applications and performance of these advanced materials. The handbook covers a multitude of natural polymers/ reinforcement/ fillers and biodegradable materials. Together, the 8 volumes total at least 5000 pages and offers a unique publication. This 4th volume of the Handbook is solely focused on the Functionalization of renewable materials. Some of the important topics include but not limited to: Chitosan-based bio sorbents: oil spill clean-up by textiles; pyridine and bipyridine end-functionalized polylactide; functional separation membranes from chitin and chitosan derivatives; acrylated epoxidized flaxseed oil bio-resin and its biocomposites; encapsulation of inorganic renewable nanofiller; chitosan coating on textile fibers for functional properties; surface functionalization of cellulose whiskers for nonpolar composites; impact of chemical treatment and the manufacturing process on mechanical, thermal and rheological properties of natural fibers based composites; bio-polymers modification; review on fibers from natural resources; strategies to improve the functionality of starch based films; the effect of gamma-radiation on biodegradability of natural fibers; surface functionalization through vapor-phase assisted surface polymerization (VASP) on natural materials from agricultural by-products; okra bast fiber as potential reinforcement element of biocomposites; silane coupling agent used in natural fiber/plastic composites; composites of olefin polymer /natural fibers: the surface modifications on natural fibers; surface functionalization of biomaterials; thermal and mechanical behaviors of bio-renewable fibres based polymer composites; natural and artificial diversification of starch; role of radiation and surface modification on bio-fiber for reinforced polymer composites.

20622.5 рублей

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Stefan Hau-Riege P. High-Intensity X-rays - Interaction with Matter. Processes in Plasmas, Clusters, Molecules and Solids

Filling the need for a book bridging the effect of matter on X-ray radiation and the interaction of x-rays with plasmas, this monograph provides comprehensive coverage of the topic. As such, it presents and explains such powerful new X-ray sources as X-ray free-electron lasers, as well as short pulse interactions with solids, clusters, molecules, and plasmas, and X-ray matter interactions as a diagnostic tool. Equally useful for researchers and practitioners working in the field.

11998.84 рублей

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Rachel Powsner A. Essentials of Nuclear Medicine Physics and Instrumentation

An excellent introduction to the basic concepts of nuclear medicine physics This Third Edition of Essentials of Nuclear Medicine Physics and Instrumentation expands the finely developed illustrated review and introductory guide to nuclear medicine physics and instrumentation. Along with simple, progressive, highly illustrated topics, the authors present nuclear medicine-related physics and engineering concepts clearly and concisely. Included in the text are introductory chapters on relevant atomic structure, methods of radionuclide production, and the interaction of radiation with matter. Further, the text discusses the basic function of the components of scintillation and non-scintillation detector systems. An information technology section discusses PACs and DICOM. There is extensive coverage of quality control procedures, followed by updated chapters on radiation safety practices, radiation biology, and management of radiation accident victims. Clear and concise, this new edition of Essentials of Nuclear Medicine Physics and Instrumentation offers readers: Four new chapters Updated coverage of CT and hybrid scanning systems: PET/CT and SPECT/CT Fresh discussions of the latest technology based on solid state detectors and new scanner designs optimized for dedicated cardiac imaging New coverage of PACs and DICOM systems Expanded coverage of image reconstruction and processing techniques New material on methods of image display Logically structured and clearly written, this is the book of choice for anyone entering the field of nuclear medicine, including nuclear medicine residents and fellows, cardiac nuclear medicine fellows, and nuclear medicine technology students. It is also a handy quick-reference guide for those already working in the field of nuclear physics.

6445.15 рублей

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Eishi Ibe H. Terrestrial Radiation Effects in ULSI Devices and Electronic Systems

This book provides the reader with knowledge on a wide variety of radiation fields and their effects on the electronic devices and systems. The author covers faults and failures in ULSI devices induced by a wide variety of radiation fields, including electrons, alpha-rays, muons, gamma rays, neutrons and heavy ions. Readers will learn how to make numerical models from physical insights, to determine the kind of mathematical approaches that should be implemented to analyze radiation effects. A wide variety of prediction, detection, characterization and mitigation techniques against soft-errors are reviewed and discussed. The author shows how to model sophisticated radiation effects in condensed matter in order to quantify and control them, and explains how electronic systems including servers and routers are shut down due to environmental radiation. Provides an understanding of how electronic systems are shut down due to environmental radiation by constructing physical models and numerical algorithms Covers both terrestrial and avionic-level conditions Logically presented with each chapter explaining the background physics to the topic followed by various modelling techniques, and chapter summary Written by a widely-recognized authority in soft-errors in electronic devices Code samples available for download from the Companion Website This book is targeted at researchers and graduate students in nuclear and space radiation, semiconductor physics and electron devices, as well as other areas of applied physics modelling. Researchers and students interested in how a variety of physical phenomena can be modelled and numerically treated will also find this book to present helpful methods.

11279.71 рублей

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Min Yao Clinical Radiation Oncology. Indications, Techniques, and Results

This fully updated and enhanced third edition offers a highly practical, application-based review of the biological basis of radiation oncology and the clinical efficacy of radiation therapy. Revised edition of the classic reference in radiation oncology from Dr. C.C. Wang, whose practical approach to clinical application was legendary Includes the latest developments in the field: intensity modulated radiation therapy (IMRT), image guided radiation therapy, and particle beam therapy Includes two brand new chapters Palliative Radiotherapy, and Statistics in Radiation Oncology Features a vibrant and extremely comprehensive head and neck section Provides immediately applicable treatment algorithms for each tumor

16392.13 рублей

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“This textbook, Radiation Oncology in Palliative Cancer Care, represents the full evolution of radiation therapy, and of oncology in general. ( … ) [It] is an acknowledgment that palliative radiotherapy is now a sub-specialty of radiation oncology. This formally makes palliative radiotherapy a priority within patient care, academic research, quality assurance, and medical education.” – From the Foreword by Nora Janjan, MD, MPSA, MBA, National Center for Policy Analysis, Dallas, TX, USA Palliative Medicine is the professional medical practice of prevention and relief of suffering and the support of the best possible quality of life for patients and their families, regardless of the stage of the disease or the need for other therapies. The most common cause for palliative care referral is terminal cancer, and a large proportion of those referrals include patients who will need palliative radiotherapy during the course of their disease. Still, there are barriers to coordinated care between radiation oncologists and palliative care physicians that differ from one country to another. Until now, one overarching limitation to appropriate concurrent care between the specialties across all countries has been the lack of a comprehensive yet concise reference resource that educates each of the specialties about the potential synergistic effects of their cooperation. This book fills that void. Radiation Oncology in Palliative Cancer Care: Is the first book-length treatment of this important topic available on the market Is authored by world-renowned experts in radiation oncology and palliative medicine Uses a multidisciplinary approach to content and patient treatment Features decision trees for palliative radiotherapy based upon factors such as patient performance status and prognosis Pays careful attention to current best practices and controversies in the delivery of end-of-life cancer care This book is an important resource for practicing radiation oncologists and radiation oncologists in training, as well as hospice and palliative medicine physicians and nurses, medical oncologists, and geriatricians.

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