نتایج جستجو برای: hydroelectric power station
تعداد نتایج: 527854 فیلتر نتایج به سال:
In order to evaluate the reliability characteristics of the electricity generating systems which in addition to thermal plants with unlimited available energy includes also hydroelectric plants, beside the stochastic outages of generating units, the limitation of the – from stochastic inflows dependent – available amounts of primary energy (water) must be also taken into account. Therefore the ...
The Rhine catchment in Switzerland has been transformed by a chain of hydroelectric power stations. We addressed the impact of fragmentation on the genetic structure of fish populations by focusing on the European chub (Squalius cephalus). This fish species is not stocked and copes well with altered habitats, enabling an assessment of the effects of fragmentation per se. Using microsatellites, ...
In the Brazilian Amazon, two monospecific genera, the Harpy Eagle and Crested Eagle have low densities and are classified by IUCN as Near Threatened due to habitat loss, deforestation, habitat degradation and hunting. In this study, we evaluate occurrence of these large raptors using the environmental surveys database from Belo Monte Hydroelectric Power Plant. Integrating the dataset from two m...
In the course of long-term operation hydroelectric units, they are subject to wear and tear, which negatively affects power generating capacity station. The existing repair technology provides restoration geometric dimensions impeller chamber hydraulic unit using an austenitic cladding layer. However, this is characterized by occurrence cracks delamination deposited layer during post-repair ope...
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