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Bioavailable heavy metals have been extensively studied in recent years because of their toxicity to natural ecosystems. Even though there is a large number of studies, relatively little is known about the biologically available metal fraction. The current study analyses seasonal concentrations of heavy metals associated with reactive fractions (solvable in HCl) in the soil of three areas on West Jiu river. Concentrations of heavy metals identified in indigenous ichthyofauna (Salmo trutta fario) collected from eac...

The article represents the results of a multi-year (1995-2011) monitoring of wind waves and wind parameters in the northwestern part of the Black Sea. The author gives a clear-cut presentation of the regime and extreme characteristics of wind waves and wind speed of the northwestern shelf of the Black Sea. The measurements were carried out on a stationary offshore platform Golitsino-4, located 50 km from the shore. A twisted resistive wave gage with a sampling resolution of 4 Hz and the possibility of registering ...

The concrete bridges are inseparable part of the traffic infrastructure not only in Slovakia. The real bridge structures are affected by environmental conditions in which they are. The environmental loads cause the degradation of concrete and reinforcement in time. The corrosion of reinforcing steel in concrete due to severe environment is the phenomenon that highly affects the reliability and durability of reinforced concrete bridge structures. The diagnostic of real state of existing bridges is very important du...