Conceptual Model And Process Descriptor Formulations For Fate And Transport Of Uxo

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Conceptual Model And Process Descriptor Formulations For Fate And Transport Of Uxo

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Author :
language : en
Publisher:
Release Date : 1999

Conceptual Model And Process Descriptor Formulations For Fate And Transport Of Uxo written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Explosives categories.

Bioremediation Of Aquatic And Terrestrial Ecosystems

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Author : Milton Fingerman
language : en
Publisher: CRC Press
Release Date : 2016-04-19

Bioremediation Of Aquatic And Terrestrial Ecosystems written by Milton Fingerman and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Science categories.

Bioremediation, the use of microorganisms to degrade, sequester, or remove environmental contaminants, is an urgent need of our planet for protection and restoration from toxic contaminants. This book not only provides cutting edge information about bioremediation of aquatic and terrestrial habitats, but also highlights the gaps in our knowledge of

Conceptual Model And Process Descriptor Formulations For Fate And Transport Of Uxo

DOWNLOAD
Author :
language : en
Publisher:
Release Date : 1999

Conceptual Model And Process Descriptor Formulations For Fate And Transport Of Uxo written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.

Primary release mechanisms for explosives from UXO are identified and conceptual models for UXO fate and transport were developed for the upland and aquatic environments. The state of development for explosives release mechanisms and process descriptor formulations for fate and transport of explosives from UXO were investigated and important data gaps were identified. The most extensive data gaps are associated with source term, which encompasses the movement of explosives from UXO into the environment. The source term is strongly affected by UXO integrity, munition type, and the environment in which the munition resides. For a cracked or corroded munition, dissolution rate of the explosive in the munition is one of the more important parameters affecting the fate and transport of the explosive into the environment. Explosives exiting corroded UXO could be transformed by exposure to iron, a process shown to strongly affect explosives. Adsorption of TNT and RDX by soils can be estimated based on soil cation exchange capacity. Research was also conducted to explore the relationship between HMX adsorption and soil physical characteristics and the affects of light on TNT disappearance from aquatic systems. Disappearance of TNT from soil/water systems is not appreciably affected by exposure to light. This demonstrates that processes which act independently of light are most important in a soil/water system and will control the disappearance of TNT.

Sampling And Sample Preparation In Field And Laboratory

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Author : Janusz Pawliszyn
language : en
Publisher: Elsevier
Release Date : 2002-09-09

Sampling And Sample Preparation In Field And Laboratory written by Janusz Pawliszyn and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-09-09 with Science categories.

This title is the first comprehensive book on sampling and modern sample preparation techniques and has several main objectives: to facilitate recognition of sample preparation as both an integral part of the analytical process; to present a fundamental basis and unified theoretical approach for the professional development of sample preparation; to emphasize new developments in sample preparation technology; and to highlight the future impact of sample preparation on new directions in analytical science, particularly automation, miniaturization and field implementation. Until recently, there has been relatively little scientific interest in sampling and sample preparation, however this situation is presently changing as sampling and sample preparation become integral parts of the analytical process with their own unique challenges and research opportunities. Sampling and Sample Preparation for Field and Laboratory is an essential resource for all analytical chemists, and in particular those involved in method development. Not only does it cover the fundamental aspects of extraction, it also covers applications in various matrices and includes sampling strategies and equipment and how these can be integrated into the analytical process for maximum efficiency.

Plants And Their Interaction To Environmental Pollution

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Author : Azamal Husen
language : en
Publisher: Elsevier
Release Date : 2022-11-04

Plants And Their Interaction To Environmental Pollution written by Azamal Husen and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-04 with Science categories.

Environmental pollution as a consequence of diverse human activities has become a global concern. Urbanization, mining, industrial revolution, burning of fossil fuels/firewood and poor agricultural practices, in addition to improper dumping of waste products, are largely responsible for the undesirable change in the environment composition. Environmental pollution is mainly classified as air pollution, water pollution, land pollution, noise pollution, thermal pollution, light pollution, and plastic pollution. Nowadays, it has been realized that with the increasing environmental pollution, impurities may accumulate in plants, which are required for basic human uses such as for food, clothing, medicine, and so on. Environmental pollution has tremendous impacts on phenological events, structural patterns, physiological phenomena, biochemical status, and the cellular and molecular features of plants. Exposure to environmental pollution induces acute or chronic injury depending on the pollutant concentration, exposure duration, season and plant species. Moreover, the global rise of greenhouse gases such as carbon monoxide, carbon dioxide, nitrous oxides, methane, chlorofluorocarbons and ozone in the atmosphere is among the major threats to the biodiversity. They have also shown visible impacts on life cycles and distribution of various plant species. Anthropogenic activities, including the fossil-fuel combustion in particular, are responsible for steady increases in the atmospheric greenhouse gases concentrations. This phenomenon accelerates the global heating. Studies have suggested that the changes in carbon dioxide concentrations, rainfall and temperature have greatly influenced the plant physiological and metabolic activities including the formation of biologically active ingredients. Taken together, plants interact with pollutants, and cause adverse ecological and economic outcomes. Therefore, plant response to pollutants requires more investigation in terms of damage detection, adaptation, tolerance, and the physiological and molecular responses. The complex interplay among other emerging pollutants, namely, radioisotopes, cell-phone radiation, nanoparticles, nanocomposites, heavy metals etc. and their impact on plant adaptation strategies, and possibility to recover, mitigation, phytoremediation, etc., also needs to be explored. Further, it is necessary to elucidate better the process of the pollutant's uptake by plant and accumulation in the food chain, and the plant resistance capability against the various kinds of environmental pollutants. In this context, the identification of tolerance mechanisms in plants against pollutants can help in developing eco-friendly technologies, which requires molecular approaches to increase plant tolerance to pollutants, such as plant transformation and genetic modifications. Pollutant-induced overproduction of reactive oxygen species that cause DNA damage and apoptosis-related alterations, has also been examined. They also trigger changes at the levels of transcriptome, proteome, and metabolome, which has been discussed in this book.

Conceptual Model And Process Descriptor Formulations For Fate And Tansport Of Uxo February 1999

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Author : James M. Brannon
language : en
Publisher:
Release Date : 1999

Conceptual Model And Process Descriptor Formulations For Fate And Tansport Of Uxo February 1999 written by James M. Brannon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.