Halocarbons I
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Author | : United States. Congress. House. Committee on Science and Technology. Subcommittee on the Environment and the Atmosphere |
Publisher | : |
Total Pages | : 500 |
Release | : 1975 |
Genre | : Atmospheric ozone |
ISBN | : |
Author | : United States. Congress. Senate. Committee on Aeronautical and Space Sciences. Subcommittee on the Upper Atmosphere |
Publisher | : |
Total Pages | : 488 |
Release | : 1977 |
Genre | : Atmospheric ozone |
ISBN | : |
Author | : Martin M. Halmann |
Publisher | : CRC Press |
Total Pages | : 319 |
Release | : 2024-11-01 |
Genre | : Technology & Engineering |
ISBN | : 1040286240 |
Photodegradation of Water Pollutants, the only complete survey available of current photocatalytic methods for treating water pollutants, covers all aspects of light-stimulated detoxification. Ideal for researchers and students, this new book explains methods for pollution treatment that have proven more effective than conventional biodegradation. Photodegradation of Water Pollutants examines advanced oxidation processes that have been successful in treating the chemical substances produced by industrial effluents and intensive agriculture. These oxidation processes include irradiation with ultraviolet or visible light, the use of homogenous sensitizers, such as dyes, and the use of heterogeneous photocatalysts, such as dispersed semiconductors. In addition, Photodegradation of Water Pollutants addresses the naturally occurring self-cleaning of some pollutants in sunlit surface waters, as well as several alternative non-photochemical approaches to water treatment. Available treatment options are discussed for the main groups of water pollutants, including toxic inorganic ions (cyanides, heavy metals), hydrocarbon derivatives (oil spills, surfactants, pulp and paper wastes), halocarbons, organo-N, organo-P, and organo-S compounds. The text also contains a unique section on the economics of advanced oxidation pollution treatments.
Author | : |
Publisher | : |
Total Pages | : 538 |
Release | : 1989 |
Genre | : Atmospheric chemistry |
ISBN | : |
Author | : United States. Army Research Office |
Publisher | : |
Total Pages | : 458 |
Release | : 1978 |
Genre | : Military research |
ISBN | : |
Author | : James Lovelock |
Publisher | : Souvenir Press |
Total Pages | : 351 |
Release | : 2014-01-02 |
Genre | : Biography & Autobiography |
ISBN | : 0285642561 |
With over fifty patents to his name and innumerable awards and accolades, James Lovelock was a distinguished and original thinker, widely recognized by the international scientific community. In this inspiring book, republished in the year of his 100th birthday, Lovelock tells his life story, from his first steps as a scientist to his work with organisations as diverse as NASA, Shell and the Marine Biological Association. Homage to Gaia describes the years of travel and work that led to his crucial scientific breakthroughs in environmental awareness, uncovering how CFCs impact on the ozone layer and creating the concept of Gaia, the theory that the Earth is a self-regulating system. Written in a sharp and energetic style, James Lovelock's book will entertain and inspire anyone interested in science or the creative spirit beyond his legacy.
Author | : Intergovernmental Panel on Climate Change |
Publisher | : Cambridge University Press |
Total Pages | : 594 |
Release | : 1996-06-06 |
Genre | : Nature |
ISBN | : 9780521564366 |
Climatic changes, air pollution, greenhouse gas emissions.
Author | : Shah Fahad |
Publisher | : CRC Press |
Total Pages | : 507 |
Release | : 2022-07-20 |
Genre | : Science |
ISBN | : 1000610853 |
Current trends in population growth suggest that global food production is unlikely to meet future demands under projected climate change scenarios unless the pace of plant improvement is accelerated. Plant production is facing many challenges due to changing environmental conditions and the growing demand for new plant-derived materials. These challenges come at a time when plant science is making significant progress in understanding the basic processes of plant growth and development. Major abiotic stresses like drought, heat, cold and salinity often cause a range of morphological, physiological, biochemical, and molecular changes affecting plant growth, development, and productivity; so sustainable food production poses a serious challenge to much of the world, particularly in emerging countries. This underscores the urgent need to find better ways to translate new advances in plant science into concrete successes in agricultural production. In order to overcome the negative effects of abiotic stress and to maintain food security in the face of these challenges, new, improved, and resilient plant varieties, contemporary breeding techniques, and a deep understanding of the mechanisms for offsetting harmful climate change are undoubtedly necessary. In this context, Improvement of Plant Production in the Era of Climate Change is a guide to the most advanced techniques that help in understanding plant response to abiotic stress, leading to new horizons and the strategy for the current translation studies application to overall solution to create a powerful production and crop improvement in such an adverse environment. FEATURES Provides a state-of-the-art description of the physiological, biochemical, and molecular-level understanding of abiotic stress in plants Courses taught in universities from basics to advanced level in field of plant physiology, molecular genetics, and bioinformatics will use this book Focuses on climatic extremes and their management for plant protection and production, which is great threat to future generation and food security Understanding of new techniques pointed out in this book will open the possibility of genetic engineering in crop plants with the concomitant improved stress tolerance Addressing factors that are threatening future food production and providing potential solutions to these factors Written by a diverse group of internationally famed scholars, this book adds new horizons in the field of abiotic stress tolerance
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 98 |
Release | : 2000-07-01 |
Genre | : Nature |
ISBN | : 0309070848 |
As part of the effort to phase out the use of stratospheric ozone-depleting substances, such as chlorofluorocarbons (CFCs), the U.S. Navy is considering hydrofluorocarbons (HFCs) as replacements for the CFC refrigerants used aboard its submarines. Before using the HFCs, the Navy plans to set emergency exposure guidance levels (EEGLs) and continuous exposure guidance levels (CEGLs) to protect submariners from health effects that could occur as a result of accidental releases or slow leaks. In this report, the Subcommittee on Exposure Guidance Levels for Selected Hydrofluorocarbons of the National Research Council's (NRC 's) Committee on Toxicology independently reviews the scientific validity of the Navy's proposed 1-hr and 24-hr EEGLs and 90-day CEGLs for two of the candidate refrigerants-HFC-236fa and HFC-404a. In addition, the subcommittee reviews the the EEGLs and CEGL for HFC-23, one of the combustion products of HFC-236fa. This NRC report is intended to aid the Navy in using HFCs safely.
Author | : Klaus Grasshoff |
Publisher | : John Wiley & Sons |
Total Pages | : 632 |
Release | : 2009-07-30 |
Genre | : Science |
ISBN | : 3527613994 |
Since the book first appeared in 1976, Methods of Seawater Analysis has found widespread acceptance as a reliable and detailed source of information. Its second extended and revised edition published in 1983 reflected the rapid pace of instrumental and methodological evolution in the preceding years. The development has lost nothing of its momentum, and many methods and procedures still suffering their teething troubles then have now matured into dependable tools for the analyst. This is especially evident for trace and ultra-trace analyses of organic and inorganic seawater constituents which have diversified considerably and now require more space for their description than before. Methods to determine volatile halocarbons, dimethyl sulphide, photosynthetic pigments and natural radioactive tracers have been added as well as applications of X-ray fluorescence spectroscopy and various electrochemical methods for trace metal analysis. Another method not previously described deals with the determination of the partial pressure of carbon dioxide as part of standardised procedures to describe the marine CO2 system.