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Geothermal Energy Research Trends
Geothermal energy is a form of renewable energy derived from heat deep in the earth's crust. Enormous amounts of thermal energy are continuously generated by the decay of radioactive isotopes of underground rocks and stored in our globe's interior. This heat is as inexhaustible and renewable as solar energy. This heat is brought to the near-surface by thermal conduction and by intrusion into the earth's crust of molten magma originating from great depth. As groundwater is heated, geothermal energy is produced in the form of hot water and steam. The heated groundwater can be used for direct heating of homes and greenhouses, for vegetable drying, and for a number of other uses. These are known as direct uses of geothermal energy. Geothermal energy is also used for electricity production. This book presents leading-edge research in a field destined for increased attention throughout the world.
Mites of Australia
This Checklist brings together for the first time the names of all 2620 described species of mites that are known to occur in Australia. It gives the correct nomenclature for each species, and places every species in the appropriate genus and family, using the latest available classification. The Checklist also provides a bibliography of information on biogeography, economic importance and, in the case of pests, biology and control. This work is a baseline from which more detailed and specific research projects will draw their fundamental data.
Ein Lehrer auch an der kleinsten Schule
Nach der Niederlage Preußens 1806 sicherten umfassende Reformen das Überleben des Reststaates. In diesem grundlegenden Umgestaltungsprozess stellte das Bildungswesen einen Schlüsselbereich dar. Diese Studie untersucht, inwieweit die zu Beginn der Reformära abgesteckten Ziele bis 1871 verwirklicht werden konnten. Dazu fokussiert sie die Entwicklung in den Dorfschulen des pommerschen Randow-Gebietes und greift mit den Themen Lehrerprofessionalisierung, Gehaltsverbesserung und Hebung der Schulhaussituation jene Aspekte auf, die einen fundamentalen Modernisierungsprozess beschreiben.
