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Download or read book RADIATION AND THE PATTERNS OF NATURE. written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. M. Woodwell
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)
Download or read book Radiation and the Patterns of Nature written by G. M. Woodwell and published by . This book was released on 1965 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joanna D. Haigh
Publisher : Princeton University Press
ISBN 13 : 1400866545
Total Pages : 216 pages
Book Rating : 4.4/5 (8 download)
Download or read book The Sun's Influence on Climate written by Joanna D. Haigh and published by Princeton University Press. This book was released on 2015-06-23 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Earth's climate system depends entirely on the Sun for its energy. Solar radiation warms the atmosphere and is fundamental to atmospheric composition, while the distribution of solar heating across the planet produces global wind patterns and contributes to the formation of clouds, storms, and rainfall. The Sun’s Influence on Climate provides an unparalleled introduction to this vitally important relationship. This accessible primer covers the basic properties of the Earth’s climate system, the structure and behavior of the Sun, and the absorption of solar radiation in the atmosphere. It explains how solar activity varies and how these variations affect the Earth’s environment, from long-term paleoclimate effects to century timescales in the context of human-induced climate change, and from signals of the 11-year sunspot cycle to the impacts of solar emissions on space weather in our planet’s upper atmosphere. Written by two of the leading authorities on the subject, The Sun’s Influence on Climate is an essential primer for students and nonspecialists alike.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309062977
Total Pages : 293 pages
Book Rating : 4.3/5 (9 download)
Download or read book Evaluation of Guidelines for Exposures to Technologically Enhanced Naturally Occurring Radioactive Materials written by National Research Council and published by National Academies Press. This book was released on 1999-02-25 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: Naturally occurring radionuclides are found throughout the earth's crust, and they form part of the natural background of radiation to which all humans are exposed. Many human activities-such as mining and milling of ores, extraction of petroleum products, use of groundwater for domestic purposes, and living in houses-alter the natural background of radiation either by moving naturally occurring radionuclides from inaccessible locations to locations where humans are present or by concentrating the radionuclides in the exposure environment. Such alterations of the natural environment can increase, sometimes substantially, radiation exposures of the public. Exposures of the public to naturally occurring radioactive materials (NORM) that result from human activities that alter the natural environment can be subjected to regulatory control, at least to some degree. The regulation of public exposures to such technologically enhanced naturally occurring radioactive materials (TENORM) by the US Environmental Protection Agency (EPA) and other regulatory and advisory organizations is the subject of this study by the National Research Council's Committee on the Evaluation of EPA Guidelines for Exposures to Naturally Occurring Radioactive Materials.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309214459
Total Pages : 400 pages
Book Rating : 4.3/5 (92 download)
Download or read book A Framework for K-12 Science Education written by National Research Council and published by National Academies Press. This book was released on 2012-02-28 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Science, engineering, and technology permeate nearly every facet of modern life and hold the key to solving many of humanity's most pressing current and future challenges. The United States' position in the global economy is declining, in part because U.S. workers lack fundamental knowledge in these fields. To address the critical issues of U.S. competitiveness and to better prepare the workforce, A Framework for K-12 Science Education proposes a new approach to K-12 science education that will capture students' interest and provide them with the necessary foundational knowledge in the field. A Framework for K-12 Science Education outlines a broad set of expectations for students in science and engineering in grades K-12. These expectations will inform the development of new standards for K-12 science education and, subsequently, revisions to curriculum, instruction, assessment, and professional development for educators. This book identifies three dimensions that convey the core ideas and practices around which science and engineering education in these grades should be built. These three dimensions are: crosscutting concepts that unify the study of science through their common application across science and engineering; scientific and engineering practices; and disciplinary core ideas in the physical sciences, life sciences, and earth and space sciences and for engineering, technology, and the applications of science. The overarching goal is for all high school graduates to have sufficient knowledge of science and engineering to engage in public discussions on science-related issues, be careful consumers of scientific and technical information, and enter the careers of their choice. A Framework for K-12 Science Education is the first step in a process that can inform state-level decisions and achieve a research-grounded basis for improving science instruction and learning across the country. The book will guide standards developers, teachers, curriculum designers, assessment developers, state and district science administrators, and educators who teach science in informal environments.
Author : Bill McKibben
Publisher : Random House
ISBN 13 : 0804153442
Total Pages : 254 pages
Book Rating : 4.8/5 (41 download)
Download or read book The End of Nature written by Bill McKibben and published by Random House. This book was released on 2014-09-03 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reissued on the tenth anniversary of its publication, this classic work on our environmental crisis features a new introduction by the author, reviewing both the progress and ground lost in the fight to save the earth. This impassioned plea for radical and life-renewing change is today still considered a groundbreaking work in environmental studies. McKibben's argument that the survival of the globe is dependent on a fundamental, philosophical shift in the way we relate to nature is more relevant than ever. McKibben writes of our earth's environmental cataclysm, addressing such core issues as the greenhouse effect, acid rain, and the depletion of the ozone layer. His new introduction addresses some of the latest environmental issues that have risen during the 1990s. The book also includes an invaluable new appendix of facts and figures that surveys the progress of the environmental movement. More than simply a handbook for survival or a doomsday catalog of scientific prediction, this classic, soulful lament on Nature is required reading for nature enthusiasts, activists, and concerned citizens alike.
Author : Giorgio V. Borgiotti
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.3/5 (91 download)
Download or read book Radiation Pattern, Reactive Power, and Resistive Aperture Antennas written by Giorgio V. Borgiotti and published by . This book was released on 1975 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main purpose of the report is to establish certain structural properties of a peculiar class of Plane Wave Spectra (PWS) representing an aperture field (or, equivalently of radiation patterns) which make the aperture reactive power equal to zero. To achieve this objective the entire question of the representation of an aperture field through a PWS is reexamined from a novel viewpoint. The Fourier transform (FT) of the transverse electric field on the aperture is considered as a two-dimensional vector field on the wavenumber plane, represented through two scalar functions, which are its coordinates in a chosen vector basis (Section 3). The choice of the latter has an important physical significance since it corresponds to the decomposition of the PWS into two components having differently polarized radiation patterns and different reactive properties. In Section 4, it is shown that the conductance and the susceptance of an aperture can be expressed as integrals (extended over the visible and invisible space) of two quadratic forms (whose explicit expressions depend upon the basis chosen to represent the PWS).
Author : National Research Council
Publisher : National Academies
ISBN 13 : 0309039959
Total Pages : 436 pages
Book Rating : 4.3/5 (9 download)
Download or read book Health Effects of Exposure to Low Levels of Ionizing Radiation written by National Research Council and published by National Academies. This book was released on 1990-02-01 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reevaluates the health risks of ionizing radiation in light of data that have become available since the 1980 report on this subject was published. The data include new, much more reliable dose estimates for the A-bomb survivors, the results of an additional 14 years of follow-up of the survivors for cancer mortality, recent results of follow-up studies of persons irradiated for medical purposes, and results of relevant experiments with laboratory animals and cultured cells. It analyzes the data in terms of risk estimates for specific organs in relation to dose and time after exposure, and compares radiation effects between Japanese and Western populations.
Author : Sir Norman Lockyer
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.F/5 ( download)
Download or read book Nature written by Sir Norman Lockyer and published by . This book was released on 1917 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Klaus Rohde
Publisher : Cambridge University Press
ISBN 13 : 1107019613
Total Pages : 431 pages
Book Rating : 4.1/5 (7 download)
Download or read book The Balance of Nature and Human Impact written by Klaus Rohde and published by Cambridge University Press. This book was released on 2013-02-14 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores equilibrium and non-equilibrium in undisturbed and disturbed ecological systems, examining how human activities affect the balance/imbalance of nature.
Author : Ernest M. Kim
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (91 download)
Download or read book Measurement of Far-field and Near-field Radiation Patterns from Optical Fibers written by Ernest M. Kim and published by . This book was released on 1981 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Federal Communications Commission
Publisher :
ISBN 13 :
Total Pages : 924 pages
Book Rating : 4.U/5 (183 download)
Download or read book FCC Record written by United States. Federal Communications Commission and published by . This book was released on 1987 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Sarkar
Publisher : Allied Publishers
ISBN 13 :
Total Pages : 286 pages
Book Rating : 4./5 ( download)
Download or read book Integrated Electronics written by S. Sarkar and published by Allied Publishers. This book was released on 1964 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James B. Kinn
Publisher :
ISBN 13 :
Total Pages : 580 pages
Book Rating : 4.3/5 (121 download)
Download or read book Index of Publications on Biological Effects of Electromagnetic Radiation (0-100 GHz) written by James B. Kinn and published by . This book was released on 1981 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Prabhakar H. Pathak
Publisher : John Wiley & Sons
ISBN 13 : 1119810531
Total Pages : 1156 pages
Book Rating : 4.1/5 (198 download)
Download or read book Electromagnetic Radiation, Scattering, and Diffraction written by Prabhakar H. Pathak and published by John Wiley & Sons. This book was released on 2021-12-07 with total page 1156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic Radiation, Scattering, and Diffraction Discover a graduate-level text for students specializing in electromagnetic wave radiation, scattering, and diffraction for engineering applications In Electromagnetic Radiation, Scattering and Diffraction, distinguished authors Drs. Prabhakar H. Pathak and Robert J. Burkholder deliver a thorough exploration of the behavior of electromagnetic fields in radiation, scattering, and guided wave environments. The book tackles its subject from first principles and includes coverage of low and high frequencies. It stresses physical interpretations of the electromagnetic wave phenomena along with their underlying mathematics. The authors emphasize fundamental principles and provide numerous examples to illustrate the concepts contained within. Students with a limited undergraduate electromagnetic background will rapidly and systematically advance their understanding of electromagnetic wave theory until they can complete useful and important graduate-level work on electromagnetic wave problems. Electromagnetic Radiation, Scattering and Diffraction also serves as a practical companion for students trying to simulate problems with commercial EM software and trying to better interpret their results. Readers will also benefit from the breadth and depth of topics, such as: Basic equations governing all electromagnetic (EM) phenomena at macroscopic scales are presented systematically. Stationary and relativistic moving boundary conditions are developed. Waves in planar multilayered isotropic and anisotropic media are analyzed. EM theorems are introduced and applied to a variety of useful antenna problems. Modal techniques are presented for analyzing guided wave and periodic structures. Potential theory and Green's function methods are developed to treat interior and exterior EM problems. Asymptotic High Frequency methods are developed for evaluating radiation Integrals to extract ray fields. Edge and surface diffracted ray fields, as well as surface, leaky and lateral wave fields are obtained. A collective ray analysis for finite conformal antenna phased arrays is developed. EM beams are introduced and provide useful basis functions. Integral equations and their numerical solutions via the method of moments are developed. The fast multipole method is presented. Low frequency breakdown is studied. Characteristic modes are discussed. Perfect for graduate students studying electromagnetic theory, Electromagnetic Radiation, Scattering, and Diffraction is an invaluable resource for professional electromagnetic engineers and researchers working in this area.
Author : Vanita Thakkar
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.6/5 (31 download)
Download or read book Solar Radiation Geometry written by Vanita Thakkar and published by . This book was released on 2020-01-24 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sun is the basic source of energy on Earth - be it conventional fossil fuels or the non-conventional Renewable Energy Sources. Most Renewable Energy Technologies are in a budding stage. The diffused, dilute, intermittent and variable, season and region dependent nature of most renewable energy sources imposes obvious challenges in their utilization.Also, Fuel-switching does not happen overnight. The transition of a new, better, non-conventional, i.e. commercially untried and growing technology into a conventional, techno-commercially viable and accepted technology is a challenging transformation on a mass scale. It requires research and development along with systematic planning and implementation of smooth supplementing of / taking over of one established system by another, new one, with considerably different concepts, features, components and systems. New standards and methods need to be established and training programmes have to be conducted for the new systems.The key to studies in Solar Energy Utilization and Solar Energy Technology lies in understanding the quality, quantum and pattern of availability of Solar Energy at a given location on Earth's surface. The present book gives the fundamental concepts of Solar Energy availability and availability patterns with respect to geographical and climatic conditions under which the Solar Energy Utilization system is located.The topics include: THE SOLAR ENERGY OPTIONSOLAR ENERGY ON EARTH: EARTH'S ROTATIONEARTH'S REVOLUTIONImportant positions in Earth's path of RevolutionExtra-terrestrial Energy FluxSolar ConstantTILT OF EARTH'S AXISSolstice And EquinoxSPECTRAL DISTRIBUTION OF SOLAR RADIATIONSOLAR RADIATION ON EARTH'S SURFACEMEASUREMENT OF SOLAR RADIATIONPYRANOMETERSPYRHELIOMETERSSUNSHINE DURATION MEASUREMENTSSOLAR ANGLESBASIC ANGLESLatitude-LongitudeDeclinationHour AngleLocal Solar TimeEquation of TimeDERIVED ANGLESRelated to relative position of SunRelated to the orientation of surface intercepting solar radiationRELATIONS BETWEEN BASIC AND DERIVED ANGLESGENERAL EQUATION FOR ANGLE OF INCIDENCEDAY LENGTHThe special feature of this book is the simplicity, lucidity and precise presentation of facts. The language is simple. The facts are presented in short, concise sentences, easy to understand and remember, hence very handy for students.The author has taught undergraduate and post-graduate Engineering students, most of whom were from Vernacular medium, for more than a decade. In her attempts to simplify concepts and their realization in real life systems for her students, many of whom found it difficult to express / write in English, she prepared presentations and notes that were very useful to her students. She spoke in English / Hindi / Gujarati while conveying her lectures to them with the help of these presentations / notes on the screen - giving live translations of difficult words / terms and relating them to familiar concepts / facts / systems.
Author : United States. Congress. Joint Committee on Atomic Energy. Special Subcommittee on Radiation
Publisher :
ISBN 13 :
Total Pages : 1040 pages
Book Rating : 4.:/5 (1 download)
Download or read book The Nature of Radioactive Fallout and Its Effects on Man: May 27-29, June 3, 1957. 1008 p written by United States. Congress. Joint Committee on Atomic Energy. Special Subcommittee on Radiation and published by . This book was released on 1957 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt:
