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This report offers a revolutionary approach taken by Germany to promote both recycling & source reduction. German legislation is stimulating industry efforts to reduce packaging & product waste by requiring that the bus. producing packages & products be financially responsible for taking back their used materials & recycling, reusing or disposing of them. This report describes what Germans have done in solid waste policies, the difficulties they are confronting & the impact on wastes to date. Discusses environmental problems that the US & other industrialized countries face, identifies practical solutions: programs & policies that work to conserve our valuable air, land, water & natural resources & enable us to live & do business less wastefully.
To celebrate the 270th anniversary of the De Gruyter publishing house, the company is providing permanent open access to 270 selected treasures from the De Gruyter Book Archive. Titles will be made available to anyone, anywhere at any time that might be interested. The DGBA project seeks to digitize the entire backlist of titles published since 1749 to ensure that future generations have digital access to the high-quality primary sources that De Gruyter has published over the centuries.
This book presents a summary of the application and instrumentation of cell electrophoresis. The method of making cell purification and characterization possible according to the cellular negative surface charge density is discussed, and ideas for future developments are explained. The negative electrostatic forces at cell surfaces provide information about cell-cell interaction, blood vessel sealing, cytokine actions, cell transformation, ion transport phenomena, and other biological phenomena. Recalculations of the physical principles of cell electrophoresis reveal possibilities for removing disruptive factors caused by electrical current, heat, and sedimentation. The introduction of computer technology, the performance of simultaneous two-parameter measurements, and the application of cell-friendly but current-inert buffer systems render the method more reliable and efficient.
The discovery of uniform latex particles by polymer chemists of the Dow Chemical Company nearly 50 years ago opened up new exciting fields for scientists and physicians and established many new biomedical applications. Many in vitro diagnostic tests such as the latex agglutination tests, analytical cell and phagocytosis tests have since become rou tine. They were all developed on the basis of small particles bound to biological active molecules and fluorescent and radioactive markers. Further developments are ongoing, with the focus now shifted to applications of polymer particles in the controlled and di rected transport of drugs in living systems. Four important factors make microspheres i...
This definitive Handbook, authored by the publishing division of the leading and the largest association in the field of waste management, provides information on virtually every aspect of recycling. The chapters, written by leading international authorities, cover such topics as collection of recyclables, recycling costs, safety in recycling facilities, available technology for collection and processing of waste products, and profitability of waste products. Introductory material in the form of "waste profiles" is included at the beginning of the Handbook, providing an excellent general reference on all of the various recyclables, from newspapers to batteries. The Handbook also covers legislative issues related to recycling, including legislation in Germany, France, Britain, and Canada, and how these overseas regulations affect recycling in the United States.
Along with the instruments of Stradivari and del Gesù, the violins of Giovanni Battista Guadagnini have long been favored by professional musicians. This 1949 volume remains the most comprehensive study of G. B. Guadagnini's life, work, and legacy. Includes a catalog of masterpieces and a new Introduction by an authority on musical instruments.
English summary: Around 200,000 people in the Soviet Occupied Zone and in the German Democratic Republic (GDR) were subjected to politically motivated persecution and imprisonment. The repressive measures they suffered were phyiscally and mentally traumatizing and had a long-term affect on personal and family developments in their later lives. In this research project, the authors examined the health status and social situation of the former prisoners many years after their imprisonment, and the results are presented in this volume. They describe not only the construction and staging of the political persecution, the circumstances under which they were imprisoned and their long-term mental a...