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Scanning Electron Microscope Analysis Of Individual Particles In A Source Apportionment Study Of Atmospheric Pollution In The Vaal Triangle
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Book Synopsis Scanning Electron Microscope Analysis of Individual Particles in a Source-apportionment Study of Atmospheric Pollution in the Vaal Triangle by :
Download or read book Scanning Electron Microscope Analysis of Individual Particles in a Source-apportionment Study of Atmospheric Pollution in the Vaal Triangle written by and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Levels of air pollutants in the Vaal Triangle area have been a cause of public concern for a number of years. A pilot study was launched with the purpose of developing standard operating procedures for the sampling, bulk inorganic and organic chemical analysis, and single-particle analysis of airborne particulates from this region, as well as statistical data handling procedures. Guidelines set by the United States Environmental Protection Agency (EPA) for the Receptor Model as applied to the source apportionment of airborne particulates is adhered to in this instance. Samples of airborne particulate pollutants from four sites in the Vereeniging area were subjected to single-particle analysis by energy-dispersive X-ray-fluorescence analysis and image-analysis using a scanning electron microscope. Nineteen chemical and five physical parameters were measured. Two sub-sets of data were distinguished on the basis of particle size, and each was subjected to various cluster-analysis procedures. Seventeen chemical species were identified in each sub-set of data. These species were further subdivided on the morphological characteristics, and allocated to one or more source categories. It is anticipated that, as source profiles become better established, better source apportionment will be possible.
Book Synopsis Particulate Matter Analysis by Electron Microscopy by : Steven B. Hayward
Download or read book Particulate Matter Analysis by Electron Microscopy written by Steven B. Hayward and published by . This book was released on 1985 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Source Apportionment Study of Atmospheric Particulates in the Vaal Triangle by : Christine Müller
Download or read book Source Apportionment Study of Atmospheric Particulates in the Vaal Triangle written by Christine Müller and published by . This book was released on 1992 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electron Microscopy of Atmospheric Particles by : Po-Fu Huang
Download or read book Electron Microscopy of Atmospheric Particles written by Po-Fu Huang and published by . This book was released on 1997 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electron Microscopy and Elemental Analysis of Fractionated Atmospheric Particles for Source Identification by : William J. Franek
Download or read book Electron Microscopy and Elemental Analysis of Fractionated Atmospheric Particles for Source Identification written by William J. Franek and published by . This book was released on 1992 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Visibility and Fine Particles by : C. V. Mathai
Download or read book Visibility and Fine Particles written by C. V. Mathai and published by . This book was released on 1990 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings
Book Synopsis Measuring Mass-based Hygroscopicity of Atmospheric Particles Through in Situ Imaging by :
Download or read book Measuring Mass-based Hygroscopicity of Atmospheric Particles Through in Situ Imaging written by and published by . This book was released on 2016 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantifying how atmospheric particles interact with water vapor is critical for understanding the effects of aerosols on climate. We present a novel method to measure the mass-based hygroscopicity of particles while characterizing their elemental and carbon functional group compositions. Since mass-based hygroscopicity is insensitive to particle geometry, it is advantageous for probing the hygroscopic behavior of atmospheric particles, which can have irregular morphologies. Combining scanning electron microscopy with energy dispersive X-ray analysis (SEM/EDX), scanning transmission X-ray microscopy (STXM) analysis, and in situ STXM humidification experiments, this method was validated using laboratory-generated, atmospherically relevant particles. Then, the hygroscopicity and elemental composition of 15 complex atmospheric particles were analyzed by leveraging quantification of C, N, and O from STXM, and complementary elemental quantification from SEM/EDX. We found three types of hygroscopic responses, and correlated high hygroscopicity with Na and Cl content. The mixing state of 158 other particles from the sample broadly agreed with those of the humidified particles, indicating the potential to infer atmospheric hygroscopic behavior from a selected subset of particles. As a result, these methods offer unique quantitative capabilities to characterize and correlate the hygroscopicity and chemistry of individual submicrometer atmospheric particles.
Book Synopsis Chemistry for a Clean and Healthy Planet by : Ponnadurai Ramasami
Download or read book Chemistry for a Clean and Healthy Planet written by Ponnadurai Ramasami and published by Springer. This book was released on 2020-09-05 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings gather carefully selected, peer-reviewed contributions from the International Conference on Pure and Applied Chemistry (ICPAC 2018). The event, the latest installment in a biennial conference series, was held in July 2018 in Mauritius. The respective chapters in this unique collection reflect a wide range of fundamental and applied research in the chemical sciences and various interdisciplinary subjects. In addition to reviews, they highlight cutting-edge advances.
Book Synopsis Air Quality Management by : James W. S. Longhurst
Download or read book Air Quality Management written by James W. S. Longhurst and published by Computational Mechanics. This book was released on 2000 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book evaluates and reviews the development and application of the air quality management process from a European, North American and Australian perspective. The contemporary approaches and experiences described provide a critical assessment of practice as well as important pointers to the future development of air quality management regimes.
Book Synopsis Air Quality in Cities by : Nicolas Moussiopoulos
Download or read book Air Quality in Cities written by Nicolas Moussiopoulos and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Urban areas are major sources of air pollution. Pollutant emissions affecting air quality in cities are considered to have adverse consequences for human health. Public and government concern about environmental issues arising from urban air pollution has increased over the last decades. The urban air pollution problem is widespread throughout the world and it is important to find ways of eliminating or at least reducing the risks for human health. The fundamentals of the physical and chemical processes occurring during air pollutant transport in the atmosphere are nowadays understood to a large extent. In particular, modelling of such processes has experienced a remarkable growth in the last decades. Monitoring capabilities have also improved markedly in the most urban areas around the world. However, neither modelling nor monitoring can solve urban air pollution problems, as they are only a first step in improving useful information for future regulations. The defining of efficient control strategies can not be achieved without a clear knowledge of the complete pollution process, i.e. emission, atmospheric transport and transformation, and deposition at the receptor. Improving our ability to establish valid urban scale source-receptor relation ships has been the objective of SA TURN, one of the 14 subprojects of EURO TRAC-2. Similar to the other subprojects of this co-ordinated environmental pro ject within the EUREKA initiative, SA TURN brought together international groups of scientists to work on problems directly related to atmospheric chemistry and physics. The present volume summarises the scientific results of SATURN.
Download or read book Mind Over Magma written by Davis A. Young and published by Princeton University Press. This book was released on 2003-07-22 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation This book fulfills the lack of a modern analysis of the history of igneous petrology and will be a significant contribution. The author is a well-known igneous petrologist who appreciates the extent to which many geological questions are still awaiting definitive answers.
Book Synopsis Air Quality Management by : Ronald E. Hester
Download or read book Air Quality Management written by Ronald E. Hester and published by Royal Society of Chemistry. This book was released on 1997 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: The management of air quality is currently at the forefront of international debate. With authors drawn from international experts in their respective fields, Air Quality Management provides comprehensive coverage of the air quality management issue. There are chapters on improving air quality in the UK, the construction of emissions inventories and the design and operation of air monitoring networks. Validation of air pollution models, requiring source receptor modelling, is described, as is the use of geochemical or biological tolerances known as critical loads to determine the maximum allowable inputs of pollutants to the terrestrial environment. The first European Auto-Oil Study, which was sponsored by the European Commission in order to identify the most cost-effective means of meeting air quality targets, is included as a case study. There is also reference to the successes and problems of air pollution control in California, the US state which has pioneered the promotion of vigorous air pollution control measures. Air Quality Management provides a vital source of material for all those involved in the field, whether as a student, industrialist, consultant, or government agency with responsibility in this area.
Book Synopsis Space Physics and Aeronomy, Set by :
Download or read book Space Physics and Aeronomy, Set written by and published by John Wiley & Sons. This book was released on 2021-05-18 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Space Physics and Aeronomy collection is a five-volume set of books presenting the latest scientific observations, models, and theories. Arranged sequentially, the books examine the Sun and the solar wind, magnetospheres in the Solar system, Earth's ionosphere, Earth's upper atmosphere, and the effects of space weather. Volume 1: Solar Physics and Solar Wind — A comprehensive view of our Sun at the start of a new era in solar and heliospheric physics Volume 2: Magnetospheres in the Solar System — An overview of current knowledge and future research directions in magnetospheric physics Volume 3: Ionosphere Dynamics and Applications — A comprehensive review of global ionospheric research from the polar caps to equatorial regions Volume 4: Upper Atmosphere Dynamics and Energetics — A comprehensive overview of the structure and variability of the upper atmosphere Volume 5: Space Weather Effects and Applications — Examines how solar and terrestrial space phenomena affect sophisticated technological systems The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals. Find out more about the Space Physics and Aeronomy collection in this Q&A with the Editors in Chief.
Book Synopsis The Ethics of Environmental Concern by : Robin Attfield
Download or read book The Ethics of Environmental Concern written by Robin Attfield and published by University of Georgia Press. This book was released on 2011-03-15 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 1983, The Ethics of Environmental Concern has become a classic in the relatively new field of environmental ethics. Examining traditional attitudes toward nature, and the degree to which these attitudes enable us to cope with modern ecological problems, Robin Attfield looks particularly at the Judeo-Christian heritage of belief in humankind's dominion, the tradition of stewardship, and the more recent belief in progress to determine the extent to which these attitudes underlie ecological problems and how far they embody resources adequate for combating such problems. He then examines concerns of applied ethics and considers our obligations to future generations, the value of life, and the moral standing and significance of nonhumans. Simultaneously, he offers and defends a theory of moral principles appropriate for dealing with such concerns as pollution, scarce natural resources, population growth, and the conservation and preservation of the environment. The second edition includes a new preface and introduction, as well as a bibliographic essay and an updated list of references incorporating relevant scholarship since the publication of the first edition.
Book Synopsis Environmental Crime by : Ronald G. Burns
Download or read book Environmental Crime written by Ronald G. Burns and published by LFB Scholarly Publishing. This book was released on 2004 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Environmental Crime: A Sourcebook provides ideas, tools, and data to investigate environmental offenses. Burns and Lynch urge readers to recognize the availability of a wide array of data regarding environmental offenses and provide bibliographic tools to locate this data. They also provide data sets and examples of data available from the Environmental Protection Agency (EPA) and state agencies charged with enforcing environmental laws. Specific sections describe EPA resources, accessing and downloading EPA and other environmental law compliance and violation data, methods of compiling EPA data, actual environmental crime data sets, and research that can be performed using these data. Written in a non-technical manner, the book is designed to provide readers from all backgrounds with an understanding of environmental crime and the avenues by which it can be recognized and researched."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved
Download or read book Crossword Solver written by Anne Stibbs and published by Bloomsbury Pub Limited. This book was released on 2000 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: An aid to solving crosswords. It contains over 100,000 potential solutions, including plurals, comparative and superlative adjectives, and inflections of verbs. The list extends to first names, place names and technical terms, euphemisms and compound expressions, as well as abbreviations.
Book Synopsis Conservation Biology in Sub-Saharan Africa by : Richard Primack
Download or read book Conservation Biology in Sub-Saharan Africa written by Richard Primack and published by Open Book Publishers. This book was released on 2019-09-10 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conservation Biology in Sub-Saharan Africa comprehensively explores the challenges and potential solutions to key conservation issues in Sub-Saharan Africa. Easy to read, this lucid and accessible textbook includes fifteen chapters that cover a full range of conservation topics, including threats to biodiversity, environmental laws, and protected areas management, as well as related topics such as sustainability, poverty, and human-wildlife conflict. This rich resource also includes a background discussion of what conservation biology is, a wide range of theoretical approaches to the subject, and concrete examples of conservation practice in specific African contexts. Strategies are outlined to protect biodiversity whilst promoting economic development in the region. Boxes covering specific themes written by scientists who live and work throughout the region are included in each chapter, together with recommended readings and suggested discussion topics. Each chapter also includes an extensive bibliography. Conservation Biology in Sub-Saharan Africa provides the most up-to-date study in the field. It is an essential resource, available on-line without charge, for undergraduate and graduate students, as well as a handy guide for professionals working to stop the rapid loss of biodiversity in Sub-Saharan Africa and elsewhere.
