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Bioaccumulation in Aquatic Systems
The proper assessment of ecotoxicological risks is only possible when a study of the bioaccumulation of chemicals is included. This invaluable book considers the most important questions that arise during such a study and gives approaches to their solutions. Validation: Do the present guidelines yield reliable results and are they sufficient? How can modelling of bioconcentration be performed? Can the bioaccumulation potential of a chemical be predicted by Quantitative Structure-Activity Relationships (QSARs)? Extrapolation: Can test results be extrapolated between organism groups? Can laboratory results be extrapolated to environmental conditions and vice-versa? Is a distinction between bio...
AFZ Der Wald
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AFB-Info
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Renate and Paul
At the beginning of October 1980 Renate Needham felt very proud of having been admitted at the Polytechnic near her home to read a degree course in German. Ever since the end of the war she had yearned for a degree, but domestic obligations had made studying for such a goal quite impracticable, not to say impossible. Now, however, retirement afforded her the time, her son no longer depended on her and her three small pensions made it just possible to meet her reduced commitments for four years without having to supplement her income. Resources would be stretched to the limit, she would have to forego all luxuries, there would be no question of extending the course; if she failed to make the grade in any one year, or in any one subject she realized the whole enterprise would have to be abandoned. She was very conscious that she did not really possess the required academic qualifications for admission. However, she did a test and was granted an interview at which her exceptional command of the German language, her familiarity with everyday life in Germany, her skillful use of words at the right time, to the right people just tipped the scales in her favour. She was admitted.
Water Pollution Issues and Developments
Pollution is undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities so that the environment becomes harmful or unfit for living things; especially applicable to the contamination of soil, water, or the atmosphere by the discharge of harmful substances. In addition to the harm to living beings, both present or future and known or unknown, pollution cleanup and surveillance are enormous financial drains of the economies of the world. This book focuses on issues and developments critical for the field.
The Cumulative Book Index
A world list of books in the English language.
Renate's Journey
A young woman struggles to survive post World War II Germany. She looks back on growing up in the Hitler era, trying to reconcile in her mind what she (and those around her) knew or didn't know, what they did or didn't do...
Opernwelt
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