| Hydraulik |
hydraulics (The branch of science and technology concerned with the mechanics of fluids, especially liquids) |
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| Hydraulikoele, die PCB oder PCT enthalten |
hydraulic oils, containing PCBs or PCTs |
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| hydraulische Höhe |
hydraulic head |
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| hydraulische Maßnahmen |
hydraulic measures |
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| hydraulische Verweilzeit |
hydraulic retention time |
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| hydraulische Verweilzeit |
hydraulic dwell time |
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| hydraulische Verweilzeit |
hydraulic residence time |
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| hydrierende Vergasung |
hydrogasification |
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| Hydrobiologie |
hydrobiology (Study of organisms living in water) |
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| Hydrocracking |
hydrocracking |
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| hydrodynamisches numerisches Verfahren |
hydrodynamic numerical exercise |
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| Hydroelektrische Energie |
hydroelectric energy |
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| Hydroelektrische Energie |
hydroelectric energy (The free renewable source of energy provided by falling water that drives the turbines. Hydropower is the most important of the regenerable energy sources because of its highest efficiency at the energy conversion. There are two types of hydroelectric power plants: 1. run-of-river power plants for the use of affluent water; 2. storage power plants (power stations with reservoir) where the influx can be regulated with the help of a reservoir. Mostly greater differences in altitudes are being used, like mountain creeks. Power stations with reservoirs are generally marked by barrages with earth fill dam or concrete dams. Though hydropower generally can be called environmentally acceptable, there exist also some problems: 1. change of groundwater level and fill up of the river bed with rubble. 2. Risk of dam breaks. 3. Great demand for land space for the reservoir. 4. Diminution, but partly also increase of value of recreation areas. As the hydropowers of the world are limited,the world energy demand however is rising, finally the share of hydropower will decrease) |
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| Hydrogeologie |
hydrogeology (The science dealing with the occurrence of surface and ground water, its utilization, and its functions in modifying the earth, primarily by erosion and deposition) |
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| hydrogeologische Ablagerung |
hydrogeological layer |
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| hydrogeologische Bedingungen |
hydrogeological conditions |
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| hydrogeologisches Risiko |
hydrogeological risk |
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| Hydrographie |
hydrography (Science which deals with the measurement and description of the physical features of the oceans, lakes, rivers, and their adjoining coastal areas, with particular reference to their control and utilization) |
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| hydrographische Vermessungstätigkeit |
hydrographic survey |
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| Hydrographisches Becken |
hydrographic basin (1. The drainage basin of a stream. 2. An area occupied by a lake and its drainage basin) |
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