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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Das Wasser in der Nutzung durch den Menschen Norbert Pfennig Summary The establishment of the first towns of early civilisations after about 3000 BC was made possible through sufficient food supplies from agriculture and the management of drinking water, sewage and rainwater. All human activity... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Water as a Mediator for Life A. John Wilkes Summary We are embedded within, surrounded by and dependent upon rhythms of all kinds and yet they remain a mystery. Life and rhythm are indeed one. Water is the most sensitive carrier and mediator of rhythm. George Adams during the mid years of the... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Wasser in Pumpen und Turbinen Christian Liess Summary If one wants to approach the question of whether and in what way water is damaged by passing through turbines or pumps, one has first to get a clear and detailed picture of the flow conditions in these machines. This is what the present... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Wasser und Energie Georg Sonder Summary Energy flow can be traced from a stream or river to a hydroelectric dam and thence via the turbine and generator to the electricity transmission lines. A particular aspect of energy, its «sensory imperceptibility» is examined. The energy flows with the... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Stausee-Großprojekte - Beispiele faustischen Wirkens Eduard Naudascher Summary Using the example of a hydroelectric and irrigation dam project in the Senegal valley, this paper shows how modern economics and technology transmute natural cycles into money cycles. Natural irrigation, desalination... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Trinkwasserversorgung - eine Selbstverständlichkeit? Walter Jülich Summary Supplying acceptable drinking water to people in many parts of the world presents problems. Even in Europe it raises many difficulties and unknowns. A few decades ago the Rhine was heavily polluted and although this has... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Wiederbelebung von Fließgewässern Helgard Zeh Summary Regeneration of flowing surface waters such as Streams and rivers can reshape our living environment. After decades of increasingly excluding water from the landscape, the modern approach to water is more and more being considered... read more
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Elemente der Naturwissenschaft74,2001ELEMENTE DER NATURWISSENSCHAFT 74 1/2001 Was lernen wir vom Wasser? Johannes Kühl Summary Water is looked upon as something that one can learn from. Learning from nature can be seen as human activity returning to nature what it cannot produce, i.e. human culture. It is shown that water teaches that the origin of form is movement. Life... read more
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Elemente der Naturwissenschaft73,2000ELEMENTE DER NATURWISSENSCHAFT 73 2/2000 Einfluss kurzzeitigen Erhitzens auf die gestaltende Vitalaktivität im Steigbild Uwe Löffler Summary In the food and pharmaceutical industries heat-treatment is widely used to reduce the microbial burden. As a result of new requirements in the pharmaceutical industry many animal-derived... read more
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Elemente der Naturwissenschaft73,2000ELEMENTE DER NATURWISSENSCHAFT 73 2/2000 Prozesse an Flüssigkeitsoberflächen. Wirkungen oberflächenaktiver Substanzen im Tropfbild und in den Alveolen der Lunge Gero Leneweit, Reinhard Koebler, Andreas Wilkens und Michael Jacobi Herrn Prof. Dr. rer. nat. Dr.-Ing. h.c. Ernst-August Müller in Dankbarkeit zu seinem 75. Geburtstag gewidmet... read more