Titlebook: Sonnenenergie; Physikalische Grundl Adolf Goetzberger,Volker Wittwer Textbook 1993Latest edition Springer Fachmedien Wiesbaden 1993 Energie

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Adolf Goetzberger,Volker Wittwerpment has been favored by new robust theoretical principles associated to efficient metrics for data processing and by the availability of autonomous acoustic recorders to collect a great number of acoustic files at different temporal and geographical scale..The double role of sound as a semiotic to

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Adolf Goetzberger,Volker Wittwerrrestrial ecosystems (Milchunas and Lauenroth 1992; Nadelhoffer and Raich 1992). Estimates of the ratio of BNPP to net primary production (NPP) across ecosystem types range from less than 0.20 to more than 0.80 (Bray 1963, Coleman 1976). Part of this range can be explained by differences among ecosy

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Adolf Goetzberger,Volker Wittwerer among soil, plants, and the atmosphere requires methods from ecosystem studies, plant physiology, soil science, and biogeochemistry (Casper and Jackson 1997). Techniques for estimating the water status of soils have been reviewed recently (Rundel and Jarrell 1989; Boyer 1995) and those for measur

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Adolf Goetzberger,Volker Wittwer capacity. Thus, ES cells serve as a promising cell source for regenerative medicine. Another indispensable role of ES cells is its potency to dissect differentiation processes of mammalian cells in vitro. Until now, embyroid bodies, which form as aggregates of ES cells, are often used to induce var

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Adolf Goetzberger,Volker Wittwerected leukocyte migration. Leukocyte transmigration through the blood vessel wall is part of the recirculation pathway of mononuclear leukocytes between the blood and the lymphatic system, and it is essential for leukocyte extravasation into sites of inflammation. Leukocyte adhesion to the endotheli